haau3 FHIR Implementation Guide (HFIG)
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NamingSystem: CMS Medicare Advantage contract number

Official URL: https://haau3.com/fhir/NamingSystem/cms-ma-contract-id Version: 1.0.0
Active as of 2026-10-11 Computable Name: CMSMAContractId

A Medicare Advantage contract number as CMS assigns it and the Plan Benefit Package files write it (pbp_a_hnumber, for example H2406): the contract an organization holds with CMS. Carried on a plan's issuer Organization. haau3 publishes this until CMS or HL7 publishes an identifier system for it.

Summary

Defining URLhttps://haau3.com/fhir/NamingSystem/cms-ma-contract-id
Version1.0.0
NameCMSMAContractId
Statusactive
Definition

A Medicare Advantage contract number as CMS assigns it and the Plan Benefit Package files write it (pbp_a_hnumber, for example H2406): the contract an organization holds with CMS. Carried on a plan's issuer Organization. haau3 publishes this until CMS or HL7 publishes an identifier system for it.

Publisherhaau3

Identifiers

TypeValuePreferred
URIhttps://haau3.com/fhir/NamingSystem/cms-ma-contract-idtrue