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 |
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 |