Skip to main content
Essay Undergraduate 1,148 words

Medicare Parts A and B: Coverage, Costs, and Travel Limits

~6 min read 5 sections Health · Health Insurance
Abstract

This paper examines Medicare coverage for Americans aged 65 and older, focusing on Parts A and B. It explains what Medicare Part A (hospital insurance) covers across inpatient hospital stays, skilled nursing facilities, and home health services, and what Medicare Part B (medical insurance) covers for clinical research, ambulance services, durable medical equipment, and mental health. The paper applies this coverage framework to two practical scenarios: a 100-day hospital stay following a severe fall, and a medical incident occurring abroad. It concludes that while Parts A and B provide substantial inpatient coverage domestically, out-of-pocket costs rise significantly after discharge, and Original Medicare offers virtually no coverage for non-emergency medical care outside the United States.

Key Takeaways
  • Introduction to Medicare Eligibility: Who qualifies and what Medicare provides
  • Medicare Part A: Hospital Insurance: Inpatient, skilled nursing, and home health coverage
  • Medicare Part B: Medical Insurance: Medical services, equipment, and mental health coverage
  • Applying Coverage to a 100-Day Hospital Stay: Cost-sharing analysis for a severe fall scenario
  • Medicare Coverage for Medical Care Outside the United States: Limitations on overseas coverage and travel insurance advice
✍️ How to write this paper — guide, tools & examples ▾

What makes this paper effective

  • Moves logically from general program descriptions to specific real-world applications, making abstract policy details concrete and accessible.
  • Uses scenario-based analysis to illustrate how coverage rules interact in practice, giving readers a clearer sense of what beneficiaries actually experience.
  • Acknowledges the limits of available information honestly — for example, noting that exact costs cannot be determined without knowing specific facility types and services used.

Key academic technique demonstrated

The paper demonstrates applied policy analysis: it synthesizes regulatory information from authoritative sources (Medicare.gov and the Social Security Administration) and then applies those rules to specific hypothetical cases. This technique — moving from rule to application — is fundamental in health policy and benefits analysis, and it helps readers understand not just what the rules say, but how they function under real conditions.

Structure breakdown

The paper opens with an overview of Medicare eligibility, then dedicates separate sections to Part A and Part B coverage categories. Two applied sections follow: one analyzing a domestic hospital stay scenario and one addressing coverage limitations abroad. The references section cites the two primary government sources used throughout. The structure mirrors a policy brief format, balancing description with practical interpretation.

Essay 1,148 words

Introduction to Medicare Eligibility

Most Americans over the age of 65 are eligible to enroll in Medicare Part A and Medicare Part B. Together, these two programs form the foundation of health coverage for older Americans, though understanding what each part covers — and where coverage ends — is essential for effective retirement planning.

Medicare Part A: Hospital Insurance

Medicare Part A is known as "hospital insurance" and, according to the Social Security Administration, "helps pay for inpatient care in a hospital or limited time at a skilled nursing facility (following a hospital stay). Part A also pays for some home health care and hospice care."

The Medicare website outlines specific services within each of these broad categories. Under hospital care, Medicare Part A covers semi-private rooms, meals, general nursing, drugs administered as part of inpatient treatment, and other hospital services and supplies.

In a skilled nursing care unit, coverage includes meals, a semi-private room, skilled nursing care, physical therapy, occupational therapy, speech-language pathology services, medications, medical social services, medical supplies and equipment used in the facility, ambulance transportation, dietary counseling, and swing bed services. In long-term care hospitals, some coverage exists under Part A, but very high co-pays apply, making this category less well-covered than others.

For home health services, Part A covers a fairly extensive range of services, including part-time skilled nursing care, physical therapy, occupational therapy, speech-language pathology services, medical social services, and part-time home health aide services. It is important to understand the limitations of this care: it does not cover meals delivered to the home (unlike care received inside a medical facility), nor does it cover full-time care or personal care.

It is also worth noting that these represent the minimum levels of coverage. Each state may supplement these benefits with additional coverage, established on a state-by-state basis.

Medicare Part B: Medical Insurance

Medicare Part B is known as "medical insurance." It covers services including clinical research, ambulance services, durable medical equipment, mental health care (both inpatient and outpatient), and limited outpatient prescription drugs.

Under clinical research, the patient pays 20% of the cost but is able to participate in clinical research trials involving diagnostic tests, surgical treatments, medications, and new types of patient care. Part B's ambulance coverage includes "ground ambulance transportation when you need to be transported to a hospital, critical access hospital, or skilled nursing facility for medically necessary services, and when transportation in any other vehicle could endanger your health."

Durable medical equipment coverage provides for a wide range of medical devices that a patient may need. Mental health care is covered to some extent, though substantial co-pays apply, and eventually the patient bears the full cost. Under "limited outpatient prescription drugs," coverage extends to drugs used with medical equipment, antigens, and a few other drug categories for outpatient use. Part B is not, however, intended to provide comprehensive prescription drug coverage — that function is served by Medicare Part D.

It is notable that the Medicare website provides relatively little specific information about surgical coverage. It appears that Medicare covers many medically necessary surgical procedures, but whether coverage applies to a particular course of care, and how much is actually covered, varies substantially — which likely explains why specific surgical coverage details are not prominently featured on the Medicare website.

2 Sections Hidden · 500 words
Applying Coverage to a 100-Day Hospital Stay220 words
If a Medicare beneficiary suffers a severe fall and spends 100 days in the hospital, it is not possible to determine exactly how much she will have to pay out of pocket. The exact costs of whatever care she requires are unknown in…
Medicare Coverage for Medical Care Outside the United States280 words
In general, Medicare does not pay for medical services outside of the United States and its territories (Puerto Rico, the US Virgin Islands, American Samoa, Guam, and the Northern Mariana Islands). For situations where Medicare does cover costs incurred abroad, coverage is…

References

Medicare.gov. (2020). Website, various pages. Retrieved April 10, 2020, from https://www.medicare.gov

Social Security Administration. (n.d.). Website, various pages. Retrieved April 10, 2020, from https://www.ssa.gov

Key Concepts in This Paper
Medicare Part A Medicare Part B Hospital Insurance Skilled Nursing Care Durable Medical Equipment Out-of-Pocket Costs Medicare Advantage Travel Medical Insurance Inpatient Coverage Home Health Services
Cite This Paper
PaperDue. (2026). Medicare Parts A and B: Coverage, Costs, and Travel Limits. PaperDue. https://www.paperdue.com/study-guide/medicare-parts-a-b-coverage-costs-travel-2175093

Always verify citation format against your institution’s current style guide requirements.