National_Coverage_Determinations_Manual / Microvolt T-Wave Alternans (MTWA)

Why This Topic Matters

Coverage policy determines whether MTWA testing is payable under Medicare and under what general circumstances the service falls within the national policy. Understanding the scope helps reduce avoidable denials and supports accurate charge capture and documentation review.

Article Sections

1. A. General

   Provides background on MTWA testing, its diagnostic purpose, and the clinical setting in which it is discussed. Also describes the general testing approach and reporting process at a high level.

2. B. Nationally Covered Indications

   Summarizes the general category of situations in which MTWA diagnostic testing is covered under the national policy.

3. C. Nationally Non-Covered Indications

   Summarizes the general category of situations in which MTWA diagnostic testing is not covered under the national policy.

4. D. Other

   Contains a brief administrative closing section.