G73.3: Myasthenic syndromes in other diseases classified elsewhere

Risk adjustment

G73.3 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

• HCC 196 Myasthenia Gravis without (Acute) Exacerbation and Other Myoneural Disorders0.516 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

G73.3 is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

• A54095Billing and Coding: Nerve Conduction Studies and Electromyography
• A54969Billing and Coding: Nerve Conduction Studies and Electromyography
• A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
• A56619Billing and Coding: Nerve Conduction Studies and Electromyography