diff --git a/erpnext/healthcare/doctype/appointment_type/appointment_type.js b/erpnext/healthcare/doctype/appointment_type/appointment_type.js
index 15916a5..861675a 100644
--- a/erpnext/healthcare/doctype/appointment_type/appointment_type.js
+++ b/erpnext/healthcare/doctype/appointment_type/appointment_type.js
@@ -2,4 +2,82 @@
 // For license information, please see license.txt
 
 frappe.ui.form.on('Appointment Type', {
+	refresh: function(frm) {
+		frm.set_query('price_list', function() {
+			return {
+				filters: {'selling': 1}
+			};
+		});
+
+		frm.set_query('medical_department', 'items', function(doc) {
+			let item_list = doc.items.map(({medical_department}) => medical_department);
+			return {
+				filters: [
+					['Medical Department', 'name', 'not in', item_list]
+				]
+			};
+		});
+
+		frm.set_query('op_consulting_charge_item', 'items', function() {
+			return {
+				filters: {
+					is_stock_item: 0
+				}
+			};
+		});
+
+		frm.set_query('inpatient_visit_charge_item', 'items', function() {
+			return {
+				filters: {
+					is_stock_item: 0
+				}
+			};
+		});
+	}
 });
+
+frappe.ui.form.on('Appointment Type Service Item', {
+	op_consulting_charge_item: function(frm, cdt, cdn) {
+		let d = locals[cdt][cdn];
+		if (frm.doc.price_list && d.op_consulting_charge_item) {
+			frappe.call({
+				'method': 'frappe.client.get_value',
+				args: {
+					'doctype': 'Item Price',
+					'filters': {
+						'item_code': d.op_consulting_charge_item,
+						'price_list': frm.doc.price_list
+					},
+					'fieldname': ['price_list_rate']
+				},
+				callback: function(data) {
+					if (data.message.price_list_rate) {
+						frappe.model.set_value(cdt, cdn, 'op_consulting_charge', data.message.price_list_rate);
+					}
+				}
+			});
+		}
+	},
+
+	inpatient_visit_charge_item: function(frm, cdt, cdn) {
+		let d = locals[cdt][cdn];
+		if (frm.doc.price_list && d.inpatient_visit_charge_item) {
+			frappe.call({
+				'method': 'frappe.client.get_value',
+				args: {
+					'doctype': 'Item Price',
+					'filters': {
+						'item_code': d.inpatient_visit_charge_item,
+						'price_list': frm.doc.price_list
+					},
+					'fieldname': ['price_list_rate']
+				},
+				callback: function (data) {
+					if (data.message.price_list_rate) {
+						frappe.model.set_value(cdt, cdn, 'inpatient_visit_charge', data.message.price_list_rate);
+					}
+				}
+			});
+		}
+	}
+});
\ No newline at end of file
diff --git a/erpnext/healthcare/doctype/appointment_type/appointment_type.json b/erpnext/healthcare/doctype/appointment_type/appointment_type.json
index 58753bb..3872318 100644
--- a/erpnext/healthcare/doctype/appointment_type/appointment_type.json
+++ b/erpnext/healthcare/doctype/appointment_type/appointment_type.json
@@ -12,7 +12,10 @@
   "appointment_type",
   "ip",
   "default_duration",
-  "color"
+  "color",
+  "billing_section",
+  "price_list",
+  "items"
  ],
  "fields": [
   {
@@ -52,10 +55,27 @@
    "label": "Color",
    "no_copy": 1,
    "report_hide": 1
+  },
+  {
+   "fieldname": "billing_section",
+   "fieldtype": "Section Break",
+   "label": "Billing"
+  },
+  {
+   "fieldname": "price_list",
+   "fieldtype": "Link",
+   "label": "Price List",
+   "options": "Price List"
+  },
+  {
+   "fieldname": "items",
+   "fieldtype": "Table",
+   "label": "Appointment Type Service Items",
+   "options": "Appointment Type Service Item"
   }
  ],
  "links": [],
- "modified": "2020-02-03 21:06:05.833050",
+ "modified": "2021-01-22 09:41:05.010524",
  "modified_by": "Administrator",
  "module": "Healthcare",
  "name": "Appointment Type",
diff --git a/erpnext/healthcare/doctype/appointment_type/appointment_type.py b/erpnext/healthcare/doctype/appointment_type/appointment_type.py
index 1dacffa..67a24f3 100644
--- a/erpnext/healthcare/doctype/appointment_type/appointment_type.py
+++ b/erpnext/healthcare/doctype/appointment_type/appointment_type.py
@@ -4,6 +4,53 @@
 
 from __future__ import unicode_literals
 from frappe.model.document import Document
+import frappe
 
 class AppointmentType(Document):
-	pass
+	def validate(self):
+		if self.items and self.price_list:
+			for item in self.items:
+				existing_op_item_price = frappe.db.exists('Item Price', {
+					'item_code': item.op_consulting_charge_item,
+					'price_list': self.price_list
+				})
+
+				if not existing_op_item_price and item.op_consulting_charge_item and item.op_consulting_charge:
+					make_item_price(self.price_list, item.op_consulting_charge_item, item.op_consulting_charge)
+
+				existing_ip_item_price = frappe.db.exists('Item Price', {
+					'item_code': item.inpatient_visit_charge_item,
+					'price_list': self.price_list
+				})
+
+				if not existing_ip_item_price and item.inpatient_visit_charge_item and item.inpatient_visit_charge:
+					make_item_price(self.price_list, item.inpatient_visit_charge_item, item.inpatient_visit_charge)
+
+@frappe.whitelist()
+def get_service_item_based_on_department(appointment_type, department):
+	item_list = frappe.db.get_value('Appointment Type Service Item',
+		filters = {'medical_department': department, 'parent': appointment_type},
+		fieldname = ['op_consulting_charge_item',
+			'inpatient_visit_charge_item', 'op_consulting_charge', 'inpatient_visit_charge'],
+		as_dict = 1
+	)
+
+	# if department wise items are not set up
+	# use the generic items
+	if not item_list:
+		item_list = frappe.db.get_value('Appointment Type Service Item',
+			filters = {'parent': appointment_type},
+			fieldname = ['op_consulting_charge_item',
+				'inpatient_visit_charge_item', 'op_consulting_charge', 'inpatient_visit_charge'],
+			as_dict = 1
+		)
+
+	return item_list
+
+def make_item_price(price_list, item, item_price):
+	frappe.get_doc({
+		'doctype': 'Item Price',
+		'price_list': price_list,
+		'item_code': item,
+		'price_list_rate': item_price
+	}).insert(ignore_permissions=True, ignore_mandatory=True)
diff --git a/erpnext/healthcare/doctype/appointment_type_service_item/__init__.py b/erpnext/healthcare/doctype/appointment_type_service_item/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/healthcare/doctype/appointment_type_service_item/__init__.py
diff --git a/erpnext/healthcare/doctype/appointment_type_service_item/appointment_type_service_item.json b/erpnext/healthcare/doctype/appointment_type_service_item/appointment_type_service_item.json
new file mode 100644
index 0000000..5ff68cd
--- /dev/null
+++ b/erpnext/healthcare/doctype/appointment_type_service_item/appointment_type_service_item.json
@@ -0,0 +1,67 @@
+{
+ "actions": [],
+ "creation": "2021-01-22 09:34:53.373105",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "medical_department",
+  "op_consulting_charge_item",
+  "op_consulting_charge",
+  "column_break_4",
+  "inpatient_visit_charge_item",
+  "inpatient_visit_charge"
+ ],
+ "fields": [
+  {
+   "fieldname": "medical_department",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Medical Department",
+   "options": "Medical Department"
+  },
+  {
+   "fieldname": "op_consulting_charge_item",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Out Patient Consulting Charge Item",
+   "options": "Item"
+  },
+  {
+   "fieldname": "op_consulting_charge",
+   "fieldtype": "Currency",
+   "in_list_view": 1,
+   "label": "Out Patient Consulting Charge"
+  },
+  {
+   "fieldname": "column_break_4",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "inpatient_visit_charge_item",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Inpatient Visit Charge Item",
+   "options": "Item"
+  },
+  {
+   "fieldname": "inpatient_visit_charge",
+   "fieldtype": "Currency",
+   "in_list_view": 1,
+   "label": "Inpatient Visit Charge Item"
+  }
+ ],
+ "index_web_pages_for_search": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2021-01-22 09:35:26.503443",
+ "modified_by": "Administrator",
+ "module": "Healthcare",
+ "name": "Appointment Type Service Item",
+ "owner": "Administrator",
+ "permissions": [],
+ "quick_entry": 1,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1
+}
\ No newline at end of file
diff --git a/erpnext/healthcare/doctype/appointment_type_service_item/appointment_type_service_item.py b/erpnext/healthcare/doctype/appointment_type_service_item/appointment_type_service_item.py
new file mode 100644
index 0000000..b2e0e82
--- /dev/null
+++ b/erpnext/healthcare/doctype/appointment_type_service_item/appointment_type_service_item.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+# import frappe
+from frappe.model.document import Document
+
+class AppointmentTypeServiceItem(Document):
+	pass
diff --git a/erpnext/healthcare/doctype/healthcare_practitioner/healthcare_practitioner.json b/erpnext/healthcare/doctype/healthcare_practitioner/healthcare_practitioner.json
index cb747f9..8162f03 100644
--- a/erpnext/healthcare/doctype/healthcare_practitioner/healthcare_practitioner.json
+++ b/erpnext/healthcare/doctype/healthcare_practitioner/healthcare_practitioner.json
@@ -159,6 +159,7 @@
    "fieldname": "op_consulting_charge",
    "fieldtype": "Currency",
    "label": "Out Patient Consulting Charge",
+   "mandatory_depends_on": "op_consulting_charge_item",
    "options": "Currency"
   },
   {
@@ -174,7 +175,8 @@
   {
    "fieldname": "inpatient_visit_charge",
    "fieldtype": "Currency",
-   "label": "Inpatient Visit Charge"
+   "label": "Inpatient Visit Charge",
+   "mandatory_depends_on": "inpatient_visit_charge_item"
   },
   {
    "depends_on": "eval: !doc.__islocal",
@@ -280,7 +282,7 @@
  ],
  "image_field": "image",
  "links": [],
- "modified": "2020-04-06 13:44:24.759623",
+ "modified": "2021-01-22 10:14:43.187675",
  "modified_by": "Administrator",
  "module": "Healthcare",
  "name": "Healthcare Practitioner",
diff --git a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.js b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.js
index 3d5073b..0354733 100644
--- a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.js
+++ b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.js
@@ -24,11 +24,13 @@
 		});
 
 		frm.set_query('practitioner', function() {
-			return {
-				filters: {
-					'department': frm.doc.department
-				}
-			};
+			if (frm.doc.department) {
+				return {
+					filters: {
+						'department': frm.doc.department
+					}
+				};
+			}
 		});
 
 		frm.set_query('service_unit', function() {
@@ -140,6 +142,20 @@
 	patient: function(frm) {
 		if (frm.doc.patient) {
 			frm.trigger('toggle_payment_fields');
+			frappe.call({
+				method: 'frappe.client.get',
+				args: {
+					doctype: 'Patient',
+					name: frm.doc.patient
+				},
+				callback: function (data) {
+					let age = null;
+					if (data.message.dob) {
+						age = calculate_age(data.message.dob);
+					}
+					frappe.model.set_value(frm.doctype, frm.docname, 'patient_age', age);
+				}
+			});
 		} else {
 			frm.set_value('patient_name', '');
 			frm.set_value('patient_sex', '');
@@ -148,6 +164,37 @@
 		}
 	},
 
+	practitioner: function(frm) {
+		if (frm.doc.practitioner ) {
+			frm.events.set_payment_details(frm);
+		}
+	},
+
+	appointment_type: function(frm) {
+		if (frm.doc.appointment_type) {
+			frm.events.set_payment_details(frm);
+		}
+	},
+
+	set_payment_details: function(frm) {
+		frappe.db.get_single_value('Healthcare Settings', 'automate_appointment_invoicing').then(val => {
+			if (val) {
+				frappe.call({
+					method: 'erpnext.healthcare.utils.get_service_item_and_practitioner_charge',
+					args: {
+						doc: frm.doc
+					},
+					callback: function(data) {
+						if (data.message) {
+							frappe.model.set_value(frm.doctype, frm.docname, 'paid_amount', data.message.practitioner_charge);
+							frappe.model.set_value(frm.doctype, frm.docname, 'billing_item', data.message.service_item);
+						}
+					}
+				});
+			}
+		});
+	},
+
 	therapy_plan: function(frm) {
 		frm.trigger('set_therapy_type_filter');
 	},
@@ -190,14 +237,18 @@
 					// show payment fields as non-mandatory
 					frm.toggle_display('mode_of_payment', 0);
 					frm.toggle_display('paid_amount', 0);
+					frm.toggle_display('billing_item', 0);
 					frm.toggle_reqd('mode_of_payment', 0);
 					frm.toggle_reqd('paid_amount', 0);
+					frm.toggle_reqd('billing_item', 0);
 				} else {
 					// if automated appointment invoicing is disabled, hide fields
 					frm.toggle_display('mode_of_payment', data.message ? 1 : 0);
 					frm.toggle_display('paid_amount', data.message ? 1 : 0);
+					frm.toggle_display('billing_item', data.message ? 1 : 0);
 					frm.toggle_reqd('mode_of_payment', data.message ? 1 : 0);
 					frm.toggle_reqd('paid_amount', data.message ? 1 :0);
+					frm.toggle_reqd('billing_item', data.message ? 1 : 0);
 				}
 			}
 		});
@@ -540,57 +591,6 @@
 	);
 };
 
-frappe.ui.form.on('Patient Appointment', 'practitioner', function(frm) {
-	if (frm.doc.practitioner) {
-		frappe.call({
-			method: 'frappe.client.get',
-			args: {
-				doctype: 'Healthcare Practitioner',
-				name: frm.doc.practitioner
-			},
-			callback: function (data) {
-				frappe.model.set_value(frm.doctype, frm.docname, 'department', data.message.department);
-				frappe.model.set_value(frm.doctype, frm.docname, 'paid_amount', data.message.op_consulting_charge);
-				frappe.model.set_value(frm.doctype, frm.docname, 'billing_item', data.message.op_consulting_charge_item);
-			}
-		});
-	}
-});
-
-frappe.ui.form.on('Patient Appointment', 'patient', function(frm) {
-	if (frm.doc.patient) {
-		frappe.call({
-			method: 'frappe.client.get',
-			args: {
-				doctype: 'Patient',
-				name: frm.doc.patient
-			},
-			callback: function (data) {
-				let age = null;
-				if (data.message.dob) {
-					age = calculate_age(data.message.dob);
-				}
-				frappe.model.set_value(frm.doctype,frm.docname, 'patient_age', age);
-			}
-		});
-	}
-});
-
-frappe.ui.form.on('Patient Appointment', 'appointment_type', function(frm) {
-	if (frm.doc.appointment_type) {
-		frappe.call({
-			method: 'frappe.client.get',
-			args: {
-				doctype: 'Appointment Type',
-				name: frm.doc.appointment_type
-			},
-			callback: function(data) {
-				frappe.model.set_value(frm.doctype,frm.docname, 'duration',data.message.default_duration);
-			}
-		});
-	}
-});
-
 let calculate_age = function(birth) {
 	let ageMS = Date.parse(Date()) - Date.parse(birth);
 	let age = new Date();
diff --git a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.json b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.json
index 35600e4..83c92af 100644
--- a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.json
+++ b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.json
@@ -19,19 +19,19 @@
   "inpatient_record",
   "column_break_1",
   "company",
+  "practitioner",
+  "practitioner_name",
+  "department",
   "service_unit",
+  "section_break_12",
+  "appointment_type",
+  "duration",
   "procedure_template",
   "get_procedure_from_encounter",
   "procedure_prescription",
   "therapy_plan",
   "therapy_type",
   "get_prescribed_therapies",
-  "practitioner",
-  "practitioner_name",
-  "department",
-  "section_break_12",
-  "appointment_type",
-  "duration",
   "column_break_17",
   "appointment_date",
   "appointment_time",
@@ -79,6 +79,7 @@
    "set_only_once": 1
   },
   {
+   "fetch_from": "appointment_type.default_duration",
    "fieldname": "duration",
    "fieldtype": "Int",
    "in_filter": 1,
@@ -144,7 +145,6 @@
    "in_standard_filter": 1,
    "label": "Healthcare Practitioner",
    "options": "Healthcare Practitioner",
-   "read_only": 1,
    "reqd": 1,
    "search_index": 1,
    "set_only_once": 1
@@ -158,7 +158,6 @@
    "in_standard_filter": 1,
    "label": "Department",
    "options": "Medical Department",
-   "read_only": 1,
    "search_index": 1,
    "set_only_once": 1
   },
@@ -227,12 +226,14 @@
    "fieldname": "mode_of_payment",
    "fieldtype": "Link",
    "label": "Mode of Payment",
-   "options": "Mode of Payment"
+   "options": "Mode of Payment",
+   "read_only_depends_on": "invoiced"
   },
   {
    "fieldname": "paid_amount",
    "fieldtype": "Currency",
-   "label": "Paid Amount"
+   "label": "Paid Amount",
+   "read_only_depends_on": "invoiced"
   },
   {
    "fieldname": "column_break_2",
@@ -302,7 +303,8 @@
    "fieldname": "therapy_plan",
    "fieldtype": "Link",
    "label": "Therapy Plan",
-   "options": "Therapy Plan"
+   "options": "Therapy Plan",
+   "set_only_once": 1
   },
   {
    "fieldname": "ref_sales_invoice",
@@ -347,7 +349,7 @@
   }
  ],
  "links": [],
- "modified": "2020-12-16 13:16:58.578503",
+ "modified": "2021-02-08 13:13:15.116833",
  "modified_by": "Administrator",
  "module": "Healthcare",
  "name": "Patient Appointment",
diff --git a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py
index b05c673..649f16d 100755
--- a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py
+++ b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py
@@ -26,6 +26,7 @@
 
 	def after_insert(self):
 		self.update_prescription_details()
+		self.set_payment_details()
 		invoice_appointment(self)
 		self.update_fee_validity()
 		send_confirmation_msg(self)
@@ -85,6 +86,13 @@
 	def set_appointment_datetime(self):
 		self.appointment_datetime = "%s %s" % (self.appointment_date, self.appointment_time or "00:00:00")
 
+	def set_payment_details(self):
+		if frappe.db.get_single_value('Healthcare Settings', 'automate_appointment_invoicing'):
+			details = get_service_item_and_practitioner_charge(self)
+			self.db_set('billing_item', details.get('service_item'))
+			if not self.paid_amount:
+				self.db_set('paid_amount', details.get('practitioner_charge'))
+
 	def validate_customer_created(self):
 		if frappe.db.get_single_value('Healthcare Settings', 'automate_appointment_invoicing'):
 			if not frappe.db.get_value('Patient', self.patient, 'customer'):
@@ -148,31 +156,37 @@
 		fee_validity = None
 
 	if automate_invoicing and not appointment_invoiced and not fee_validity:
-		sales_invoice = frappe.new_doc('Sales Invoice')
-		sales_invoice.patient = appointment_doc.patient
-		sales_invoice.customer = frappe.get_value('Patient', appointment_doc.patient, 'customer')
-		sales_invoice.appointment = appointment_doc.name
-		sales_invoice.due_date = getdate()
-		sales_invoice.company = appointment_doc.company
-		sales_invoice.debit_to = get_receivable_account(appointment_doc.company)
+		create_sales_invoice(appointment_doc)
 
-		item = sales_invoice.append('items', {})
-		item = get_appointment_item(appointment_doc, item)
 
-		# Add payments if payment details are supplied else proceed to create invoice as Unpaid
-		if appointment_doc.mode_of_payment and appointment_doc.paid_amount:
-			sales_invoice.is_pos = 1
-			payment = sales_invoice.append('payments', {})
-			payment.mode_of_payment = appointment_doc.mode_of_payment
-			payment.amount = appointment_doc.paid_amount
+def create_sales_invoice(appointment_doc):
+	sales_invoice = frappe.new_doc('Sales Invoice')
+	sales_invoice.patient = appointment_doc.patient
+	sales_invoice.customer = frappe.get_value('Patient', appointment_doc.patient, 'customer')
+	sales_invoice.appointment = appointment_doc.name
+	sales_invoice.due_date = getdate()
+	sales_invoice.company = appointment_doc.company
+	sales_invoice.debit_to = get_receivable_account(appointment_doc.company)
 
-		sales_invoice.set_missing_values(for_validate=True)
-		sales_invoice.flags.ignore_mandatory = True
-		sales_invoice.save(ignore_permissions=True)
-		sales_invoice.submit()
-		frappe.msgprint(_('Sales Invoice {0} created').format(sales_invoice.name), alert=True)
-		frappe.db.set_value('Patient Appointment', appointment_doc.name, 'invoiced', 1)
-		frappe.db.set_value('Patient Appointment', appointment_doc.name, 'ref_sales_invoice', sales_invoice.name)
+	item = sales_invoice.append('items', {})
+	item = get_appointment_item(appointment_doc, item)
+
+	# Add payments if payment details are supplied else proceed to create invoice as Unpaid
+	if appointment_doc.mode_of_payment and appointment_doc.paid_amount:
+		sales_invoice.is_pos = 1
+		payment = sales_invoice.append('payments', {})
+		payment.mode_of_payment = appointment_doc.mode_of_payment
+		payment.amount = appointment_doc.paid_amount
+
+	sales_invoice.set_missing_values(for_validate=True)
+	sales_invoice.flags.ignore_mandatory = True
+	sales_invoice.save(ignore_permissions=True)
+	sales_invoice.submit()
+	frappe.msgprint(_('Sales Invoice {0} created').format(sales_invoice.name), alert=True)
+	frappe.db.set_value('Patient Appointment', appointment_doc.name, {
+		'invoiced': 1,
+		'ref_sales_invoice': sales_invoice.name
+	})
 
 
 def check_is_new_patient(patient, name=None):
@@ -187,13 +201,14 @@
 
 
 def get_appointment_item(appointment_doc, item):
-	service_item, practitioner_charge = get_service_item_and_practitioner_charge(appointment_doc)
-	item.item_code = service_item
+	details = get_service_item_and_practitioner_charge(appointment_doc)
+	charge = appointment_doc.paid_amount or details.get('practitioner_charge')
+	item.item_code = details.get('service_item')
 	item.description = _('Consulting Charges: {0}').format(appointment_doc.practitioner)
 	item.income_account = get_income_account(appointment_doc.practitioner, appointment_doc.company)
 	item.cost_center = frappe.get_cached_value('Company', appointment_doc.company, 'cost_center')
-	item.rate = practitioner_charge
-	item.amount = practitioner_charge
+	item.rate = charge
+	item.amount = charge
 	item.qty = 1
 	item.reference_dt = 'Patient Appointment'
 	item.reference_dn = appointment_doc.name
diff --git a/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py b/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py
index f7ec6f5..2bb8a53 100644
--- a/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py
+++ b/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py
@@ -32,7 +32,8 @@
 		patient, medical_department, practitioner = create_healthcare_docs()
 		frappe.db.set_value('Healthcare Settings', None, 'automate_appointment_invoicing', 1)
 		appointment = create_appointment(patient, practitioner, add_days(nowdate(), 4), invoice = 1)
-		self.assertEqual(frappe.db.get_value('Patient Appointment', appointment.name, 'invoiced'), 1)
+		appointment.reload()
+		self.assertEqual(appointment.invoiced, 1)
 		encounter = make_encounter(appointment.name)
 		self.assertTrue(encounter)
 		self.assertEqual(encounter.company, appointment.company)
@@ -41,7 +42,7 @@
 		# invoiced flag mapped from appointment
 		self.assertEqual(encounter.invoiced, frappe.db.get_value('Patient Appointment', appointment.name, 'invoiced'))
 
-	def test_invoicing(self):
+	def test_auto_invoicing(self):
 		patient, medical_department, practitioner = create_healthcare_docs()
 		frappe.db.set_value('Healthcare Settings', None, 'enable_free_follow_ups', 0)
 		frappe.db.set_value('Healthcare Settings', None, 'automate_appointment_invoicing', 0)
@@ -57,6 +58,50 @@
 		self.assertEqual(frappe.db.get_value('Sales Invoice', sales_invoice_name, 'patient'), appointment.patient)
 		self.assertEqual(frappe.db.get_value('Sales Invoice', sales_invoice_name, 'paid_amount'), appointment.paid_amount)
 
+	def test_auto_invoicing_based_on_department(self):
+		patient, medical_department, practitioner = create_healthcare_docs()
+		frappe.db.set_value('Healthcare Settings', None, 'enable_free_follow_ups', 0)
+		frappe.db.set_value('Healthcare Settings', None, 'automate_appointment_invoicing', 1)
+		appointment_type = create_appointment_type()
+
+		appointment = create_appointment(patient, practitioner, add_days(nowdate(), 2),
+			invoice=1, appointment_type=appointment_type.name, department='_Test Medical Department')
+		appointment.reload()
+
+		self.assertEqual(appointment.invoiced, 1)
+		self.assertEqual(appointment.billing_item, 'HLC-SI-001')
+		self.assertEqual(appointment.paid_amount, 200)
+
+		sales_invoice_name = frappe.db.get_value('Sales Invoice Item', {'reference_dn': appointment.name}, 'parent')
+		self.assertTrue(sales_invoice_name)
+		self.assertEqual(frappe.db.get_value('Sales Invoice', sales_invoice_name, 'paid_amount'), appointment.paid_amount)
+
+	def test_auto_invoicing_according_to_appointment_type_charge(self):
+		patient, medical_department, practitioner = create_healthcare_docs()
+		frappe.db.set_value('Healthcare Settings', None, 'enable_free_follow_ups', 0)
+		frappe.db.set_value('Healthcare Settings', None, 'automate_appointment_invoicing', 1)
+
+		item = create_healthcare_service_items()
+		items = [{
+				'op_consulting_charge_item': item,
+				'op_consulting_charge': 300
+		}]
+		appointment_type = create_appointment_type(args={
+				'name': 'Generic Appointment Type charge',
+				'items': items
+			})
+
+		appointment = create_appointment(patient, practitioner, add_days(nowdate(), 2),
+			invoice=1, appointment_type=appointment_type.name)
+		appointment.reload()
+
+		self.assertEqual(appointment.invoiced, 1)
+		self.assertEqual(appointment.billing_item, item)
+		self.assertEqual(appointment.paid_amount, 300)
+
+		sales_invoice_name = frappe.db.get_value('Sales Invoice Item', {'reference_dn': appointment.name}, 'parent')
+		self.assertTrue(sales_invoice_name)
+
 	def test_appointment_cancel(self):
 		patient, medical_department, practitioner = create_healthcare_docs()
 		frappe.db.set_value('Healthcare Settings', None, 'enable_free_follow_ups', 1)
@@ -178,14 +223,15 @@
 		encounter.submit()
 		return encounter
 
-def create_appointment(patient, practitioner, appointment_date, invoice=0, procedure_template=0, service_unit=None, save=1):
+def create_appointment(patient, practitioner, appointment_date, invoice=0, procedure_template=0,
+	service_unit=None, appointment_type=None, save=1, department=None):
 	item = create_healthcare_service_items()
 	frappe.db.set_value('Healthcare Settings', None, 'inpatient_visit_charge_item', item)
 	frappe.db.set_value('Healthcare Settings', None, 'op_consulting_charge_item', item)
 	appointment = frappe.new_doc('Patient Appointment')
 	appointment.patient = patient
 	appointment.practitioner = practitioner
-	appointment.department = '_Test Medical Department'
+	appointment.department = department or '_Test Medical Department'
 	appointment.appointment_date = appointment_date
 	appointment.company = '_Test Company'
 	appointment.duration = 15
@@ -193,7 +239,8 @@
 		appointment.service_unit = service_unit
 	if invoice:
 		appointment.mode_of_payment = 'Cash'
-		appointment.paid_amount = 500
+	if appointment_type:
+		appointment.appointment_type = appointment_type
 	if procedure_template:
 		appointment.procedure_template = create_clinical_procedure_template().get('name')
 	if save:
@@ -223,4 +270,29 @@
 	template.description = 'Knee Surgery and Rehab'
 	template.rate = 50000
 	template.save()
-	return template
\ No newline at end of file
+	return template
+
+def create_appointment_type(args=None):
+	if not args:
+		args =  frappe.local.form_dict
+
+	name = args.get('name') or 'Test Appointment Type wise Charge'
+
+	if frappe.db.exists('Appointment Type', name):
+		return frappe.get_doc('Appointment Type', name)
+
+	else:
+		item = create_healthcare_service_items()
+		items = [{
+				'medical_department': '_Test Medical Department',
+				'op_consulting_charge_item': item,
+				'op_consulting_charge': 200
+		}]
+		return frappe.get_doc({
+			'doctype': 'Appointment Type',
+			'appointment_type': args.get('name') or 'Test Appointment Type wise Charge',
+			'default_duration': args.get('default_duration') or 20,
+			'color': args.get('color') or '#7575ff',
+			'price_list': args.get('price_list') or frappe.db.get_value("Price List", {"selling": 1}),
+			'items': args.get('items') or items
+		}).insert()
\ No newline at end of file
diff --git a/erpnext/healthcare/utils.py b/erpnext/healthcare/utils.py
index 40f7f9c..510ac9e 100644
--- a/erpnext/healthcare/utils.py
+++ b/erpnext/healthcare/utils.py
@@ -5,9 +5,11 @@
 from __future__ import unicode_literals
 import math
 import frappe
+import json
 from frappe import _
 from frappe.utils.formatters import format_value
 from frappe.utils import time_diff_in_hours, rounded
+from six import string_types
 from erpnext.healthcare.doctype.healthcare_settings.healthcare_settings import get_income_account
 from erpnext.healthcare.doctype.fee_validity.fee_validity import create_fee_validity
 from erpnext.healthcare.doctype.lab_test.lab_test import create_multiple
@@ -64,7 +66,9 @@
 			income_account = None
 			service_item = None
 			if appointment.practitioner:
-				service_item, practitioner_charge = get_service_item_and_practitioner_charge(appointment)
+				details = get_service_item_and_practitioner_charge(appointment)
+				service_item = details.get('service_item')
+				practitioner_charge = details.get('practitioner_charge')
 				income_account = get_income_account(appointment.practitioner, appointment.company)
 			appointments_to_invoice.append({
 				'reference_type': 'Patient Appointment',
@@ -97,7 +101,9 @@
 						frappe.db.get_single_value('Healthcare Settings', 'do_not_bill_inpatient_encounters'):
 						continue
 
-					service_item, practitioner_charge = get_service_item_and_practitioner_charge(encounter)
+					details = get_service_item_and_practitioner_charge(encounter)
+					service_item = details.get('service_item')
+					practitioner_charge = details.get('practitioner_charge')
 					income_account = get_income_account(encounter.practitioner, encounter.company)
 
 				encounters_to_invoice.append({
@@ -173,7 +179,7 @@
 		if procedure.invoice_separately_as_consumables and procedure.consume_stock \
 			and procedure.status == 'Completed' and not procedure.consumption_invoiced:
 
-			service_item = get_healthcare_service_item('clinical_procedure_consumable_item')
+			service_item = frappe.db.get_single_value('Healthcare Settings', 'clinical_procedure_consumable_item')
 			if not service_item:
 				msg = _('Please Configure Clinical Procedure Consumable Item in ')
 				msg += '''<b><a href='#Form/Healthcare Settings'>Healthcare Settings</a></b>'''
@@ -304,24 +310,50 @@
 
 	return therapy_sessions_to_invoice
 
-
+@frappe.whitelist()
 def get_service_item_and_practitioner_charge(doc):
+	if isinstance(doc, string_types):
+		doc = json.loads(doc)
+		doc = frappe.get_doc(doc)
+
+	service_item = None
+	practitioner_charge = None
+	department = doc.medical_department if doc.doctype == 'Patient Encounter' else doc.department
+
 	is_inpatient = doc.inpatient_record
-	if is_inpatient:
-		service_item = get_practitioner_service_item(doc.practitioner, 'inpatient_visit_charge_item')
+
+	if doc.get('appointment_type'):
+		service_item, practitioner_charge = get_appointment_type_service_item(doc.appointment_type, department, is_inpatient)
+
+	if not service_item and not practitioner_charge:
+		service_item, practitioner_charge = get_practitioner_service_item(doc.practitioner, is_inpatient)
 		if not service_item:
-			service_item = get_healthcare_service_item('inpatient_visit_charge_item')
-	else:
-		service_item = get_practitioner_service_item(doc.practitioner, 'op_consulting_charge_item')
-		if not service_item:
-			service_item = get_healthcare_service_item('op_consulting_charge_item')
+			service_item = get_healthcare_service_item(is_inpatient)
+
 	if not service_item:
 		throw_config_service_item(is_inpatient)
 
-	practitioner_charge = get_practitioner_charge(doc.practitioner, is_inpatient)
 	if not practitioner_charge:
 		throw_config_practitioner_charge(is_inpatient, doc.practitioner)
 
+	return {'service_item': service_item, 'practitioner_charge': practitioner_charge}
+
+
+def get_appointment_type_service_item(appointment_type, department, is_inpatient):
+	from erpnext.healthcare.doctype.appointment_type.appointment_type import get_service_item_based_on_department
+
+	item_list = get_service_item_based_on_department(appointment_type, department)
+	service_item = None
+	practitioner_charge = None
+
+	if item_list:
+		if is_inpatient:
+			service_item = item_list.get('inpatient_visit_charge_item')
+			practitioner_charge = item_list.get('inpatient_visit_charge')
+		else:
+			service_item = item_list.get('op_consulting_charge_item')
+			practitioner_charge = item_list.get('op_consulting_charge')
+
 	return service_item, practitioner_charge
 
 
@@ -345,12 +377,27 @@
 	frappe.throw(msg, title=_('Missing Configuration'))
 
 
-def get_practitioner_service_item(practitioner, service_item_field):
-	return frappe.db.get_value('Healthcare Practitioner', practitioner, service_item_field)
+def get_practitioner_service_item(practitioner, is_inpatient):
+	service_item = None
+	practitioner_charge = None
+
+	if is_inpatient:
+		service_item, practitioner_charge = frappe.db.get_value('Healthcare Practitioner', practitioner, ['inpatient_visit_charge_item', 'inpatient_visit_charge'])
+	else:
+		service_item, practitioner_charge = frappe.db.get_value('Healthcare Practitioner', practitioner, ['op_consulting_charge_item', 'op_consulting_charge'])
+
+	return service_item, practitioner_charge
 
 
-def get_healthcare_service_item(service_item_field):
-	return frappe.db.get_single_value('Healthcare Settings', service_item_field)
+def get_healthcare_service_item(is_inpatient):
+	service_item = None
+
+	if is_inpatient:
+		service_item = frappe.db.get_single_value('Healthcare Settings', 'inpatient_visit_charge_item')
+	else:
+		service_item = frappe.db.get_single_value('Healthcare Settings', 'op_consulting_charge_item')
+
+	return service_item
 
 
 def get_practitioner_charge(practitioner, is_inpatient):
@@ -381,7 +428,8 @@
 		invoiced = True
 
 	if item.reference_dt == 'Clinical Procedure':
-		if get_healthcare_service_item('clinical_procedure_consumable_item') == item.item_code:
+		service_item = frappe.db.get_single_value('Healthcare Settings', 'clinical_procedure_consumable_item')
+		if service_item == item.item_code:
 			frappe.db.set_value(item.reference_dt, item.reference_dn, 'consumption_invoiced', invoiced)
 		else:
 			frappe.db.set_value(item.reference_dt, item.reference_dn, 'invoiced', invoiced)
@@ -403,7 +451,8 @@
 
 
 def validate_invoiced_on_submit(item):
-	if item.reference_dt == 'Clinical Procedure' and get_healthcare_service_item('clinical_procedure_consumable_item') == item.item_code:
+	if item.reference_dt == 'Clinical Procedure' and \
+		frappe.db.get_single_value('Healthcare Settings', 'clinical_procedure_consumable_item') == item.item_code:
 		is_invoiced = frappe.db.get_value(item.reference_dt, item.reference_dn, 'consumption_invoiced')
 	else:
 		is_invoiced = frappe.db.get_value(item.reference_dt, item.reference_dn, 'invoiced')