> ## Documentation Index > Fetch the complete documentation index at: https://developer.eka.care/llms.txt > Use this file to discover all available pages before exploring further. # Eka FHIR Structure > FHIR resource mappings for Eka Care medical data # 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](https://www.hl7.org/fhir/valueset-manifestation-or-symptom.html) | SNOMED, Eka codes | | symptoms.category | Observation.category | [Observation Category](https://terminology.hl7.org/5.1.0/CodeSystem-observation-category.html) | SNOMED: 418799008, MDB: s-8068301606 | | symptoms.status | Observation.status | [Observation Status](https://www.hl7.org/fhir/valueset-observation-status.html) | Voice2RX: `preliminary`, Rx: `final` | | symptoms.since | Observation.effective | - | effectiveDateTime \| effectivePeriod | | symptom.notes | Observation.note | [Annotation](https://www.hl7.org/fhir/datatypes.html#Annotation) | String text | | symptom.is-recorded-for | Observation.subject | - | Patient Reference | | symptoms.severity | Observation.value | [CodeableConcept](https://www.hl7.org/fhir/datatypes.html#CodeableConcept) | ValueCodeableConcept | | symptoms.laterality | Observation.bodySite | [Body Site](https://www.hl7.org/fhir/valueset-body-site.html#expansion) | 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](https://build.fhir.org/valueset-condition-clinical.html) | Ruled-out: `inactive`, Confirmed: `active`, Suspected: `unknown` | | condition.verification | Condition.verificationStatus | [Verification Status](https://build.fhir.org/valueset-condition-ver-status.html) | Ruled-out: `refuted`, Confirmed: `confirmed`, Suspected: `unconfirmed` | | condition.severity | Condition.severity | [Condition Severity](https://build.fhir.org/valueset-condition-severity.html) | SNOMED: 24484000 (severe), 6736007 (moderate), 255604002 (mild) | | condition.category | Condition.category | [Condition Category](https://build.fhir.org/valueset-condition-category.html) | 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](https://www.hl7.org/fhir/valueset-body-site.html#expansion) | 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](https://build.fhir.org/valueset-condition-clinical.html) | Ruled-out: `inactive`, Confirmed: `active`, Suspected: `unknown` | | condition.verification | Condition.verificationStatus | [Verification Status](https://build.fhir.org/valueset-condition-ver-status.html) | Ruled-out: `refuted`, Confirmed: `confirmed`, Suspected: `unconfirmed` | | condition.severity | Condition.severity | [Condition Severity](https://build.fhir.org/valueset-condition-severity.html) | SNOMED codes for severity | | condition.category | Condition.category | [Condition Category](https://build.fhir.org/valueset-condition-category.html) | `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](https://build.fhir.org/valueset-care-plan-intent.html) | `plan` | | advice.category | CarePlan.category | - | Custom: SNOMED for advice | | advice.for | CarePlan.subject | - | Patient | | advice.details | CarePlan.activity.performedActivity | [CodeableReference](https://build.fhir.org/references.html#CodeableReference) | CodeableReference.concept.text | | advice.details | CarePlan.description | [CarePlan Description](https://build.fhir.org/careplan-definitions.html#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](https://build.fhir.org/valueset-care-plan-intent.html) | `proposal` | | notes.category | CarePlan.category | - | Custom: for notes | | notes.for | CarePlan.subject | - | Patient | | notes.details | CarePlan.description | [CodeableReference](https://build.fhir.org/references.html#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](https://www.hl7.org/fhir/valueset-manifestation-or-symptom.html) | SNOMED, Eka codes | | exam.category | Observation.category | [Observation Category](https://terminology.hl7.org/5.1.0/CodeSystem-observation-category.html) | `exam` | | exam.status | Observation.status | [Observation Status](https://www.hl7.org/fhir/valueset-observation-status.html) | `preliminary` \| `final` \| `unknown` | | exam.since | Observation.effective | - | effectiveDateTime \| effectivePeriod | | exam.notes | Observation.note | [Annotation](https://www.hl7.org/fhir/datatypes.html#Annotation) | String | | exam.is-recorded-for | Observation.subject | - | Patient | | exam.location | Observation.bodySite | [Body Site](https://www.hl7.org/fhir/valueset-body-site.html#expansion) | - | *** ## 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](https://build.fhir.org/valueset-appointmentstatus.html) | `proposed` | | followup.type | Appointment.appointmentType | [Appointment Type](https://terminology.hl7.org/6.0.2/ValueSet-v2-0276.html) | `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](https://build.fhir.org/valueset-history-status.html) | `completed` | | relation | FamilyMemberHistory.relationship | [Family Member](https://terminology.hl7.org/6.0.2/ValueSet-v3-FamilyMember.html) | - | | 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](https://www.hl7.org/fhir/valueset-manifestation-or-symptom.html) | SNOMED, Eka codes | | vitals.category | Observation.category | [Observation Category](https://terminology.hl7.org/5.1.0/CodeSystem-observation-category.html) | SNOMED: s-8068301606, FHIR: `vital-signs` | | vitals.status | Observation.status | [Observation Status](https://www.hl7.org/fhir/valueset-observation-status.html) | Voice2RX: `preliminary`, Rx: `final` | | vitals.since | Observation.effective | - | effectiveDateTime \| effectivePeriod | | vitals.notes | Observation.note | [Annotation](https://www.hl7.org/fhir/datatypes.html#Annotation) | String text | | vitals.value | Observation.value | [CodeableConcept](https://www.hl7.org/fhir/datatypes.html#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](https://www.hl7.org/fhir/valueset-medication-codes.html) | Name : Ibuprofen 200mg; code: MDB/SNOMED | | medication.status | MedicationRequest.status | [MedicationRequest Status](https://www.hl7.org/fhir/valueset-medicationrequest-status.html) | `active` | | medication.intent | MedicationRequest.intent | [MedicationRequest Intent](https://www.hl7.org/fhir/valueset-medicationrequest-intent.html) | `order` | | patient.id, patient.profile.personal.name | MedicationRequest.subject | [Reference](https://www.hl7.org/fhir/references.html) | Patient reference | | doctor.id, doctor.profile.personal.name | MedicationRequest.requester | [Reference](https://www.hl7.org/fhir/references.html) | Practitioner reference | | date | MedicationRequest.authoredOn | [dateTime](https://www.hl7.org/fhir/datatypes.html#dateTime) | ISO 8601 format | | medication.instruction | MedicationRequest.dosageInstruction.text | [Dosage](https://www.hl7.org/fhir/dosage.html) | String | | medication.dose.value, dose.unit, dose.id, dose.custom | MedicationRequest.dosageInstruction.doseAndRate.doseQuantity | [Quantity](https://www.hl7.org/fhir/datatypes.html#Quantity) | value, unit, code | | medication.dose-rate-type | MedicationRequest.dosageInstruction.doseAndRate.type | [Dose Rate Type](https://www.hl7.org/fhir/valueset-dose-rate-type.html) | `ordered` | | medication.frequency.id, frequency.value, frequency.custom | MedicationRequest.dosageInstruction.additionalInstruction | [Additional Instruction](https://www.hl7.org/fhir/valueset-additional-instruction-codes.html) | CodeableConcept | | medication.frequency.frequency, frequency.period, frequency.period\_unit, duration, duration-unit, when | MedicationRequest.dosageInstruction.timing.repeat | [Timing](https://www.hl7.org/fhir/datatypes.html#Timing) | frequency, period, periodUnit | | calculated | MedicationRequest.dispenseRequest.quantity | [Quantity](https://www.hl7.org/fhir/datatypes.html#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](https://www.hl7.org/fhir/valueset-request-status.html) | `active` | | intent | ServiceRequest.intent | [Request Intent](https://www.hl7.org/fhir/valueset-request-intent.html) | `order` | | category | ServiceRequest.category | [Service Request Category](https://www.hl7.org/fhir/valueset-servicerequest-category.html) | Supported categories are imaging, lab\_test, surgical\_procedure | | labTests.id, labTests.name | ServiceRequest.code | [Procedure Codes](https://www.hl7.org/fhir/valueset-procedure-code.html) | CodeableConcept from `http://eka.care/mdb`, `http://loinc.org`, `https://parchi.eka.care/local` | | patient\_oid, patient\_name | ServiceRequest.subject | [Reference](https://www.hl7.org/fhir/references.html) | Reference to Patient resource | | visitid | ServiceRequest.encounter | [Reference](https://www.hl7.org/fhir/references.html) | Reference to Encounter resource | | doctor\_oid, doctor\_name | ServiceRequest.requester | [Reference](https://www.hl7.org/fhir/references.html) | Reference to Practitioner resource | | date | ServiceRequest.authoredOn | [dateTime](https://www.hl7.org/fhir/datatypes.html#dateTime) | ISO 8601 format | | remark/notes | ServiceRequest.note | [Annotation](https://www.hl7.org/fhir/datatypes.html#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](https://www.hl7.org/fhir/references.html) | Reference to Practitioner resource | | category | AllergyIntolerance.category | [Allergy Category](https://www.hl7.org/fhir/valueset-allergy-intolerance-category.html) | `food` or `medication` | | clinicalStatus | AllergyIntolerance.clinicalStatus | [Clinical Status](https://www.hl7.org/fhir/valueset-allergyintolerance-clinical.html) | code: `active`, display: `Active` | | drugAllergy.id, foodOtherAllergy.id | AllergyIntolerance.code | [Allergy Codes](https://www.hl7.org/fhir/valueset-allergyintolerance-code.html) | CodeableConcept from `http://snomed.info/sct`, `http://eka.care/mdb`, `https://parchi.eka.care/local` | | criticality | AllergyIntolerance.criticality | [Allergy Criticality](https://www.hl7.org/fhir/valueset-allergy-intolerance-criticality.html) | `high` | | notes | AllergyIntolerance.note | [Annotation](https://www.hl7.org/fhir/datatypes.html#Annotation) | Text note | | patient\_oid, patient\_name | AllergyIntolerance.patient | [Reference](https://www.hl7.org/fhir/references.html) | Reference to Patient resource | | type | AllergyIntolerance.type | [Allergy Type](https://www.hl7.org/fhir/valueset-allergy-intolerance-type.html) | `allergy` | | recordedDate | AllergyIntolerance.recordedDate | [dateTime](https://www.hl7.org/fhir/datatypes.html#dateTime) | ISO 8601 format (current time) | | verificationStatus | AllergyIntolerance.verificationStatus | [Verification Status](https://www.hl7.org/fhir/valueset-allergyintolerance-verification.html) | 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 Click here to view the full 3000+ line JSON example of a comprehensive FHIR Bundle including all mapped resources. 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