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member snp

mbr_snp_typ_cd
member·Updated Jun 23, 2026

Definition

ISO-11179 Definition

A coded value identifying the type of Medicare Advantage Special Needs Plan in which a member is enrolled. CMS authorizes three types of Special Needs Plans: Chronic Condition Special Needs Plans for members with specific severe chronic conditions, Dual Eligible Special Needs Plans for members with both Medicare and Medicaid eligibility, and Institutional Special Needs Plans for members residing in long-term care facilities. Each SNP type has distinct eligibility requirements, benefit structures, and care management obligations.

Healthcare data teams use mbr_snp_typ_cd in enrollment validation to confirm members meet SNP eligibility criteria, in care management program assignment to route members to appropriate disease management services, and in CMS bid and enrollment reporting.

Standard Abbreviation

mbr_snp_typ_cd

Category

member

Production DDL — DIM_MEMBER

DIM_MEMBER.sql
CREATE OR REPLACE TABLE DIM_MEMBER (
    mbr_key           INTEGER        NOT NULL  -- surrogate key,
    mbr_id            VARCHAR(50)    NOT NULL  -- member identifier,
    mbr_first_nm      VARCHAR(100)             -- first name,
    mbr_last_nm       VARCHAR(100)             -- last name,
    mbr_birth_dt      DATE                     -- date of birth,
    mbr_gndr_cd       CHAR(1)                  -- gender code M/F/U,
    mbr_age           SMALLINT                 -- age in years,
    mbr_state_cd      CHAR(2)                  -- state code,
    mbr_zip_cd        VARCHAR(10)              -- zip code,
    mbr_elig_ind      BOOLEAN                  -- eligibility indicator,
    mbr_enrl_dt       DATE                     -- enrollment date,
    mbr_term_dt       DATE                     -- termination date,
    mbr_plan_cd       VARCHAR(20)              -- plan code,
    mbr_dual_elig_cd  VARCHAR(10)              -- dual eligibility code,
    load_dt           TIMESTAMP_NTZ  NOT NULL  -- load timestamp
);

Standard Snowflake DDL for the canonical member table. Convert to BigQuery or Databricks →

Why This Term Matters

Member and enrollment data governs who receives care and who pays for it — making it foundational to every downstream healthcare analytics workflow. Data engineers who understand member terminology build eligibility pipelines that prevent coverage gaps, correctly identify dual-eligible members, and support accurate risk adjustment submissions to CMS. Enrollment errors directly affect capitation payments and can trigger CMS corrective action plans.

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