MCMedicalCodingSoftware
G61.81

G61.81: Chronic inflammatory demyelinating polyneuritis

Billable / specific codeICD-10-CM

G61.81 is a billable, specific ICD-10-CM code for chronic inflammatory demyelinating polyneuritis. It is valid for submission on a claim.

Check G61.81 with the rest of the claim: free scrubber

Risk adjustment

G61.81 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 193 Chronic Inflammatory Demyelinating Polyneuritis and Multifocal Motor Neuropathy1.692 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

G61.81 is named in 29 Medicare coverage policies: 25 listing it as supporting medical necessity, and 4 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A56034Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathynot covered
  • A56731Billing and Coding: Nerve Blocks and Electrostimulation for Peripheral Neuropathynot covered
  • A57589Billing and Coding: Nerve Blocks for Peripheral Neuropathynot covered
  • A57663Billing and Coding: Nerve Blocks for Peripheral Neuropathynot covered

Alphabetic index entries that lead here

  • CIDP(chronic inflammatory demyelinating polyneuropathy )
  • Polyneuritis, polyneuritic›demyelinating, chronic inflammatory(CIDP)
  • Polyneuritis, polyneuritic›inflammatory, chronic demyelinating(CIDP)
  • Polyneuropathy›demyelinating, chronic inflammatory(CIDP)
  • Polyneuropathy›inflammatory›chronic demyelinating(CIDP)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G61.8

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.