Diagnostic laboratory tests
Medicare Coverage Information
Overview
Medicare provides comprehensive coverage for diagnostic laboratory tests that are medically necessary and ordered by a qualified healthcare provider. These tests help diagnose, monitor, and manage various medical conditions, ensuring beneficiaries receive essential preventive and diagnostic healthcare services.
- Covers a wide range of diagnostic laboratory tests prescribed by doctors
- Tests must be medically necessary and ordered by a qualified healthcare provider
- Typically covers blood tests, urinalysis, screening tests, and other diagnostic procedures
- Most tests are covered under Medicare Part B
- No referral required for most standard diagnostic tests
- Individuals enrolled in Medicare Part B
- Beneficiaries with Original Medicare
- Some Medicare Advantage plans may offer additional laboratory test coverage
- Most diagnostic lab tests are covered at 100% with no out-of-pocket costs when performed by Medicare-approved laboratories
- Annual Part B deductible may apply before coverage begins
- No copayment required for most preventive and diagnostic laboratory tests
- Tests must be deemed medically necessary by a healthcare provider
- Some specialized or experimental tests may not be covered
- Must be performed by Medicare-certified laboratories
- Frequency of certain tests may be limited
- Consult with your healthcare provider about necessary diagnostic tests
- Confirm laboratory is Medicare-approved before testing
- Review your specific Medicare plan details for precise coverage
- Call 1-800-MEDICARE for specific coverage questions
Last updated: 6/15/2025
Quick Information
- Provider
- Medicare
- Last Updated
- 6/15/2025
- Topics
- Medicarediagnostic laboratory testsmedical lab testsMedicare lab coveragediagnostic testing
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