Health Care

Medicare Part A

The compulsory portion of Medicare that is known as the Hospital Insurance Program. All persons 65 years and older who are entitled to benefits under the Old Age, Survivors, Disability and Health Insurance Program or railroad retirement, persons under the age of 65 who have been eligible for disability for more than two years, and insured workers (and their dependents) requiring renal dialysis or kidney transplantation are automatically enrolled in Medicare Part A.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The compulsory portion of Medicare that is known as the Hospital Insurance Program. All persons 65 years and older who are entitled to benefits under the Old Age, Survivors, Disability and Health Insurance Program or railroad retirement, persons under the age of 65 who have been eligible for disability for more than two years, and insured workers (and their dependents) requiring renal dialysis or kidney transplantation are automatically enrolled in Medicare Part A.

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

3 entry terms
  • Hospital Insurance Program, Medicare
  • Medicare Hospital Insurance Program
  • Part A, Medicare

MeSH Record

Aspects Covered

9 allowable subheadings

Indexed with the subheadings classification, economics, ethics, history, legislation & jurisprudence, organization & administration, standards, statistics & numerical data, trends.

MeSH Record

Indexing Annotation

specify state if given

MeSH Record

History Note

91

MeSH Record

Previous Indexing

  • Hospitalization (1979-1990)
  • Medicare (1966-1990)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WT 31.5

AMA Style

References

  1. National Library of Medicine. Medicare Part A. Medical Subject Headings (MeSH). 2026. Unique ID D016344. http://id.nlm.nih.gov/mesh/2026/D016344
  2. Medicare Part A. In: Wikidata. https://www.wikidata.org/wiki/Q70439064