G31.80: Leukodystrophy, unspecified

Risk adjustment

G31.80 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

• HCC 200 Friedreich and Other Hereditary Ataxias; Huntington Disease0.279 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

G31.80 is named in 13 Medicare coverage policies: 12 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.

• A56562Billing and Coding: Health and Behavior Assessment/Interventionnot covered
• A53052Billing and Coding: Home Health Speech-Language Pathology
• A53057Billing and Coding: Home Health Occupational Therapy
• A53058Billing and Coding: Home Health Physical Therapy