FHIR Resources

Comprehensive guides to Fast Healthcare Interoperability Resources (FHIR)

Section
fhir
Type
reference
Audience
technical
R4 R5

FHIR Terminology

FHIR's terminology infrastructure: CodeSystem, ValueSet, and ConceptMap resources; the four terminology operations; binding strength; and implementation patterns for coded data.

Section
fhir
Type
reference
Audience
technical
R4 R5

CoverageEligibilityRequest and CoverageEligibilityResponse

Reference for the FHIR CoverageEligibilityRequest and CoverageEligibilityResponse resources: purpose codes, benefit discovery, authorizationRequired flag, X12 270/271 mapping, and when to use eligibility vs prior authorization.

Section
fhir
Type
reference
Audience
technical
R4 R4B R5

What is FHIR

The FHIR model explained for integrators — resources, RESTful operations, references, profiles, extensions, and which version to target.

Section
fhir
Type
reference
Audience
technical
R4 R5

Claim and ClaimResponse

Reference for the FHIR Claim and ClaimResponse resources: the use field semantics, key structural elements, Da Vinci PAS profiles for prior authorization, X12 278 relationship, and the Claim vs EOB distinction.

Section
fhir
Type
reference
Audience
technical
R4 R5

FHIR Search

How FHIR search works: parameter types, modifiers, prefixes, includes, sorting, pagination, and performance patterns for querying resources at scale.

Section
fhir
Type
reference
Audience
technical
R4 R5

FHIR Extensions

Reference for how FHIR extensions work, when to use them, and how to design and govern extensions without breaking interoperability.

Section
fhir
Type
reference
Audience
technical
R4 R5 STU3

Patient

Reference for the FHIR Patient resource: demographics, identifiers, administrative status, and implementation considerations for identity and matching.

Section
fhir
Type
reference
Audience
technical
R4 R5

FHIR Profiling

Reference for FHIR conformance: profiles, extensions, terminology bindings, slicing, and how Implementation Guides define interoperable contracts.

Section
fhir
Type
reference
Audience
technical
R4 R5

FHIR References

How FHIR resources link to each other: relative, absolute, logical, and contained reference patterns, resolution rules, referential integrity, and search implications.

Section
fhir
Type
reference
Audience
technical
R4 R5

Observation

Reference for the FHIR Observation resource: category codes, value types, component vs hasMember, US Core profiles, and implementation pitfalls for labs, vitals, and clinical findings.

Section
fhir
Type
reference
Audience
technical
R4 R5

SMART on FHIR

SMART on FHIR authorization: EHR and standalone launch flows, scopes, PKCE, token handling, backend services, and common implementation failure modes.