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FHIR Layer Exchange Release Notes

Optum Physical Health California

March 19, 2026 - Release 4.2

A. New and Improved

a. Access Management

i. Admin Portal

1. No changes in this release

ii. Vendor Portal

1. No changes in this release

iii. Member Portal

1. No changes in this release

iv. Authorization/Authentication

1. No changes in this release

b. Framework

i. FLEX Server

1. No changes in this release

c. Patient Access APIs

i. Patient Claims

1. No changes in this release.

d. Public Directory APIs

i. Provider Directory

1. Medicare Advantage Plan Search - Medicare Advantage members can now search for their insurance plan using their Medicare Advantage contract ID in the InsurancePlan.Identifier search parameter and receive a response bundle containing detailed Insurance Plan information.

2. Telehealth Indicator Visibility – users of HealthcareService resource can now view a telehealth indicator when searching for a provider organization, clearly identifying organizations that offer virtual visits for patients as per the Implementation Guide (IG)

3. Enhanced Search Capabilities: Support for advanced search functionality has been expanded through the addition of _revinclude and _include functionality

    a. HealthcareService Resource Enhancements

Expanded _include Parameter Support: The _include parameter is expanded to now support searches related to HealthcareService:coverage-area, enabling retrieval of related coverage area resources directly referenced by the primary HealthcareService search results.

    b. OrganizationAffiliation Resource Enhancements

_include Parameter Support: The _include parameter now supports OrganizationAffiliation: primary_organization, enabling retrieval of related resources referencing the primary resources being searched.

    c. Organization Resource Enhancements

_include Parameter Support: The _include parameter has been expanded to support searches related to Organization:part of enabling users to retrieve resources directly referenced by the primary resource being searched.

_revInclude Parameter Support: The _include parameter has been expanded to support searches related to Organization- OrganizationAffiliation:primary-organization enabling users to retrieve resources directly referenced by the primary resource being searched.

B. Bug Fixes

a. No known defects at this time.

C. Known Issues

a. No known issues at this time.