Eka FHIR Resource Mappings

This document provides the FHIR (Fast Healthcare Interoperability Resources) mappings used by Eka Care for structured medical data. Each section details how Eka properties map to standard FHIR resources.

Symptoms

FHIR Resource: Observation Symptoms observed during patient consultations are stored using the FHIR Observation resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
symptoms.name, code	Observation.code	Manifestation or Symptom	SNOMED, Eka codes
symptoms.category	Observation.category	Observation Category	SNOMED: 418799008, MDB: s-8068301606
symptoms.status	Observation.status	Observation Status	Voice2RX: `preliminary`, Rx: `final`
symptoms.since	Observation.effective	-	effectiveDateTime \| effectivePeriod
symptom.notes	Observation.note	Annotation	String text
symptom.is-recorded-for	Observation.subject	-	Patient Reference
symptoms.severity	Observation.value	CodeableConcept	ValueCodeableConcept
symptoms.laterality	Observation.bodySite	Body Site	CodeableConcept.coding.code

Conditions / Diagnoses

FHIR Resource: Condition Medical conditions and diagnoses are stored using the FHIR Condition resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
condition.name, code	Condition.code	-	SNOMED
condition.current_status	Condition.clinicalStatus	Condition Clinical	Ruled-out: `inactive`, Confirmed: `active`, Suspected: `unknown`
condition.verification	Condition.verificationStatus	Verification Status	Ruled-out: `refuted`, Confirmed: `confirmed`, Suspected: `unconfirmed`
condition.severity	Condition.severity	Condition Severity	SNOMED: 24484000 (severe), 6736007 (moderate), 255604002 (mild)
condition.category	Condition.category	Condition Category	FHIR: `encounter-diagnosis`
condition.since	Condition.onset	-	datetime \| period \| age \| string
condition.is-recorded-for	Condition.subject	-	Patient
condition.first-time-on	Condition.recordedDate	-	-
condition.evidence	Condition.evidence	-	Evidence pointing to condition
condition.where	Condition.bodyStructure	-	Has bodysite + other details
condition.stage	Condition.stage	-	e.g., cancer stages
condition.notes	Condition.note	-	Strings
condition.laterality	Condition.bodySite	Body Site	CodeableConcept.coding.code

Medical History

FHIR Resource: Condition Past medical history is also stored using the FHIR Condition resource with different category.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
condition.name, code	Condition.code	-	SNOMED
condition.current_status	Condition.clinicalStatus	Condition Clinical	Ruled-out: `inactive`, Confirmed: `active`, Suspected: `unknown`
condition.verification	Condition.verificationStatus	Verification Status	Ruled-out: `refuted`, Confirmed: `confirmed`, Suspected: `unconfirmed`
condition.severity	Condition.severity	Condition Severity	SNOMED codes for severity
condition.category	Condition.category	Condition Category	`problem-list-item`
condition.since	Condition.onset	-	datetime \| period \| age \| string
condition.is-recorded-for	Condition.subject	-	Patient
condition.first-time-on	Condition.recordedDate	-	-
condition.stage	Condition.stage	-	e.g., cancer stages
condition.notes	Condition.note	-	Strings

Advices

FHIR Resource: CarePlan Doctor’s advice to patients is stored using the FHIR CarePlan resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
advice.status	CarePlan.status	-	`active`
advice.intent	CarePlan.intent	Care Plan Intent	`plan`
advice.category	CarePlan.category	-	Custom: SNOMED for advice
advice.for	CarePlan.subject	-	Patient
advice.details	CarePlan.activity.performedActivity	CodeableReference	CodeableReference.concept.text
advice.details	CarePlan.description	CarePlan Description	-

Notes

FHIR Resource: CarePlan Clinical notes are stored using the FHIR CarePlan resource with different intent.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
notes.status	CarePlan.status	-	`active`
notes.intent	CarePlan.intent	Care Plan Intent	`proposal`
notes.category	CarePlan.category	-	Custom: for notes
notes.for	CarePlan.subject	-	Patient
notes.details	CarePlan.description	CodeableReference	CodeableReference.concept.text

Examinations

FHIR Resource: Observation Physical examination findings are stored using the FHIR Observation resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
exam.name, code	Observation.code	Manifestation or Symptom	SNOMED, Eka codes
exam.category	Observation.category	Observation Category	`exam`
exam.status	Observation.status	Observation Status	`preliminary` \| `final` \| `unknown`
exam.since	Observation.effective	-	effectiveDateTime \| effectivePeriod
exam.notes	Observation.note	Annotation	String
exam.is-recorded-for	Observation.subject	-	Patient
exam.location	Observation.bodySite	Body Site	-

Follow-Up

FHIR Resource: Appointment Follow-up appointments suggested by doctors are stored using the FHIR Appointment resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
followup.status	Appointment.status	Appointment Status	`proposed`
followup.type	Appointment.appointmentType	Appointment Type	`FOLLOWUP`
followup.created	Appointment.created	-	-
followup.start	Appointment.start	-	Instant

Family History

FHIR Resource: FamilyMemberHistory Family medical history is stored using the FHIR FamilyMemberHistory resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
dataentry.status	FamilyMemberHistory.status	History Status	`completed`
relation	FamilyMemberHistory.relationship	Family Member	-
relative.name	FamilyMemberHistory.name	-	String
remarks	FamilyMemberHistory.note	-	-
clinical.status	FamilyMemberHistory.condition.outcome	-	CodeableConcept.coding.code

Vitals ( Trackers )

FHIR Resource: Observation Patient vitals and health trackers are stored using the FHIR Observation resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
vitals.name, code	Observation.code	Manifestation or Symptom	SNOMED, Eka codes
vitals.category	Observation.category	Observation Category	SNOMED: s-8068301606, FHIR: `vital-signs`
vitals.status	Observation.status	Observation Status	Voice2RX: `preliminary`, Rx: `final`
vitals.since	Observation.effective	-	effectiveDateTime \| effectivePeriod
vitals.notes	Observation.note	Annotation	String text
vitals.value	Observation.value	CodeableConcept	ValueCodeableConcept
vitals.components	Observation.component	-	For vitals like BP with multiple values

Medications

FHIR Resource: MedicationRequest Medication prescriptions are stored using the FHIR MedicationRequest resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
medication.name, medication.id	MedicationRequest.medicationCodeableConcept	Medication Codes	Name : Ibuprofen 200mg; code: MDB/SNOMED
medication.status	MedicationRequest.status	MedicationRequest Status	`active`
medication.intent	MedicationRequest.intent	MedicationRequest Intent	`order`
patient.id, patient.profile.personal.name	MedicationRequest.subject	Reference	Patient reference
doctor.id, doctor.profile.personal.name	MedicationRequest.requester	Reference	Practitioner reference
date	MedicationRequest.authoredOn	dateTime	ISO 8601 format
medication.instruction	MedicationRequest.dosageInstruction.text	Dosage	String
medication.dose.value, dose.unit, dose.id, dose.custom	MedicationRequest.dosageInstruction.doseAndRate.doseQuantity	Quantity	value, unit, code
medication.dose-rate-type	MedicationRequest.dosageInstruction.doseAndRate.type	Dose Rate Type	`ordered`
medication.frequency.id, frequency.value, frequency.custom	MedicationRequest.dosageInstruction.additionalInstruction	Additional Instruction	CodeableConcept
medication.frequency.frequency, frequency.period, frequency.period_unit, duration, duration-unit, when	MedicationRequest.dosageInstruction.timing.repeat	Timing	frequency, period, periodUnit
calculated	MedicationRequest.dispenseRequest.quantity	Quantity	frequency × duration × dose

Lab Tests / Imaging / Surgical Procedures

FHIR Resource: ServiceRequest Lab tests, imaging requests ( radiology) and surgical procedure are stored using the FHIR ServiceRequest resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
status	ServiceRequest.status	Request Status	`active`
intent	ServiceRequest.intent	Request Intent	`order`
category	ServiceRequest.category	Service Request Category	Supported categories are imaging, lab_test, surgical_procedure
labTests.id, labTests.name	ServiceRequest.code	Procedure Codes	CodeableConcept from `http://eka.care/mdb`, `http://loinc.org`, `https://parchi.eka.care/local`
patient_oid, patient_name	ServiceRequest.subject	Reference	Reference to Patient resource
visitid	ServiceRequest.encounter	Reference	Reference to Encounter resource
doctor_oid, doctor_name	ServiceRequest.requester	Reference	Reference to Practitioner resource
date	ServiceRequest.authoredOn	dateTime	ISO 8601 format
remark/notes	ServiceRequest.note	Annotation	Text note

DrugAllergy / FoodAllergy Intolerance

FHIR Resource: AllergyIntolerance Food and medication allergies are stored using the FHIR AllergyIntolerance resource.

Eka Property	FHIR Resource	FHIR Link	Decision to Use
doctor_oid, doctor_name	AllergyIntolerance.asserter	Reference	Reference to Practitioner resource
category	AllergyIntolerance.category	Allergy Category	`food` or `medication`
clinicalStatus	AllergyIntolerance.clinicalStatus	Clinical Status	code: `active`, display: `Active`
drugAllergy.id, foodOtherAllergy.id	AllergyIntolerance.code	Allergy Codes	CodeableConcept from `http://snomed.info/sct`, `http://eka.care/mdb`, `https://parchi.eka.care/local`
criticality	AllergyIntolerance.criticality	Allergy Criticality	`high`
notes	AllergyIntolerance.note	Annotation	Text note
patient_oid, patient_name	AllergyIntolerance.patient	Reference	Reference to Patient resource
type	AllergyIntolerance.type	Allergy Type	`allergy`
recordedDate	AllergyIntolerance.recordedDate	dateTime	ISO 8601 format (current time)
verificationStatus	AllergyIntolerance.verificationStatus	Verification Status	code: `confirmed`, display: `Confirmed`

Summary Table

Data Type	FHIR Resource	Category/Type
Symptoms	Observation	signs-and-symptoms
Conditions/Diagnoses	Condition	encounter-diagnosis
Medical History	Condition	problem-list-item
Advices	CarePlan	intent: plan
Notes	CarePlan	intent: proposal
Examinations	Observation	exam
Follow-Up	Appointment	FOLLOWUP
Family History	FamilyMemberHistory	-
Vitals	Observation	vital-signs
Medications	MedicationRequest	intent: order
Lab Tests/Imaging/Surgical Procedures	ServiceRequest	imaging/lab_test/surgical_procedure
Food and drug Allergies	AllergyIntolerance	food/medication

Complete FHIR Bundle Example

View Complete FHIR Bundle JSON

Click here to view the full 3000+ line JSON example of a comprehensive FHIR Bundle including all mapped resources. (Opens in new tab)

Authorization

End-to-End Encryption

Connect

HealthAI

Medical Database

General Tools

Doctor Tool

ABDM Connect

Medical Knowledge-bases

Medical Records

User App

Eka FHIR Structure

Eka FHIR Resource Mappings

Symptoms

Conditions / Diagnoses

Medical History

Advices

Notes

Examinations

Follow-Up

Family History

Vitals ( Trackers )

Medications

Lab Tests / Imaging / Surgical Procedures

DrugAllergy / FoodAllergy Intolerance

Summary Table

Complete FHIR Bundle Example

View Complete FHIR Bundle JSON

​Eka FHIR Resource Mappings

​Symptoms

​Conditions / Diagnoses

​Medical History

​Advices

​Notes

​Examinations

​Follow-Up

​Family History

​Vitals ( Trackers )

​Medications

​Lab Tests / Imaging / Surgical Procedures

​DrugAllergy / FoodAllergy Intolerance

​Summary Table

​Complete FHIR Bundle Example

View Complete FHIR Bundle JSON

Eka FHIR Resource Mappings

Symptoms

Conditions / Diagnoses

Medical History

Advices

Notes

Examinations

Follow-Up

Family History

Vitals ( Trackers )

Medications

Lab Tests / Imaging / Surgical Procedures

DrugAllergy / FoodAllergy Intolerance

Summary Table

Complete FHIR Bundle Example