G83.20: Monoplegia of upper limb affecting unspecified side

Risk adjustment

G83.20 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

• HCC 254 Monoplegia, Other Paralytic Syndromes0.321 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

G83.20 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

• A54095Billing and Coding: Nerve Conduction Studies and Electromyography
• A56747Billing and Coding: Magnetic Resonance Angiography (MRA)
• A57123Billing and Coding: Nerve Conduction Studies and Electromyography