Continuous positive airway pressure (CPAP) therapy

The Centers for Medicare & Medicaid (CMS) has revised its National Coverage Determination for Continuous Positive Airway Pressure (CPAP) for Obstructive Sleep Apnea (OSA). This revised coverage, which became effective for services on or after March 13, 2008, now allows for coverage of CPAP when used in adult patients that were diagnosed with OSA by home sleep testing. CMS has created three new G codes to report home sleep testing for CPAP therapy. The new G code, which also became effective for services on or after March 13, 2008, and their corresponding code descriptors are located in the Table...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article explains a Medicare coverage update from CMS involving CPAP therapy for obstructive sleep apnea and the use of home sleep testing. It is relevant to billing, coding, and reimbursement professionals who need to understand the policy change, the effective date, and the new HCPCS codes associated with home sleep testing.

Why This Topic Matters

Changes to Medicare coverage and reporting requirements can affect claim submission, coding workflows, and documentation for sleep medicine services. This article helps readers identify the policy update and the related HCPCS code set involved.

What You Will Learn

  • The scope of the CMS coverage update for CPAP therapy
  • The relationship between obstructive sleep apnea and home sleep testing
  • The HCPCS code set associated with the new home sleep testing reporting options
  • The effective date associated with the coverage revision and new codes

Who Should Read This

  • Medical coders
  • Billing specialists
  • Revenue cycle professionals
  • Sleep medicine practices
  • Compliance staff

Codes Discussed


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