Medicare Part A

Part A

member

Updated 5/16/2026

Definition

The Medicare benefit covering inpatient hospital, skilled nursing facility, hospice, and home health services. Enrollment and coverage data are stored in CMS eligibility files and payer member tables. Claims submitted under Part A use the UB-04 institutional format, with reimbursement based on MS-DRG and per diem rate structures.

Standard Abbreviation

Part A

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  part a VARCHAR(100),  -- Medicare Part A (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  part a as medicare_part_a
FROM claims;

Common uses in healthcare data

Member eligibility verification and enrollment tracking
Medicare Advantage and Medicaid managed care reporting
COBRA, CHIP, and dual-eligible member management
Enrollment reconciliation and CMS submissions
Member 360 data model and longitudinal analysis

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
part_a

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  part_a       VARCHAR(100),  -- Medicare Part A (max 100 chars)
  created_dt  TIMESTAMP     NOT NULL DEFAULT NOW()
);

Column names follow the ISO-11179 naming convention: lowercase, underscore-separated, using the standard abbreviation as a prefix where applicable.

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