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termination master identifier

term_mstr_id
operations·Updated Jun 23, 2026

Definition

ISO-11179 Definition

The enterprise-wide master identifier assigned to a member coverage termination record, used to link the disenrollment event across multiple health plan systems including enrollment, claims, and care management. Supports accurate member matching and historical coverage tracking within the payer's master person index.

Standard Abbreviation

term_mstr_id

Category

operations

Why This Term Matters

Healthcare data terminology is foundational for any data engineer working in this industry. Precise understanding of standard terms enables accurate schema design, reduces downstream data quality issues, and ensures pipelines meet the regulatory and interoperability requirements imposed by HIPAA, HL7 FHIR, and CMS reporting frameworks. Without this foundation, even technically well-built pipelines produce data that fails validation when it reaches payers or regulators.

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