Index: frontend/src/services/referralService.js
===================================================================
--- frontend/src/services/referralService.js	(revision d30d82041a2812a401511ea2aadede496a8eeb01)
+++ frontend/src/services/referralService.js	(revision d30d82041a2812a401511ea2aadede496a8eeb01)
@@ -0,0 +1,25 @@
+import apiClient from './api';
+
+const ENDPOINT = '/referrals';
+
+export const referralService = {
+  createReferral: (referralData) => {
+    return apiClient.post(ENDPOINT, {
+      medicalRecordId: referralData.medicalRecordId,
+      fromDoctorId: referralData.fromDoctorId,
+      toDoctorId: referralData.toDoctorId,
+      reason: referralData.reason,
+      referralDate: referralData.referralDate,
+      appointmentDate: referralData.appointmentDate,
+      appointmentTime: referralData.appointmentTime,
+    });
+  },
+
+  getReferralById: (id) => apiClient.get(`${ENDPOINT}/${id}`),
+
+  getReferralsByFromDoctor: (doctorId) => apiClient.get(`${ENDPOINT}/from-doctor/${doctorId}`),
+
+  getReferralsByToDoctor: (doctorId) => apiClient.get(`${ENDPOINT}/to-doctor/${doctorId}`),
+
+  getReferralsByPatient: (patientId) => apiClient.get(`${ENDPOINT}/patient/${patientId}`),
+};