G61.82 — Multifocal motor neuropathy
G61.82 is a billable, specific ICD-10-CM code for multifocal motor neuropathy. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- MMN
Risk adjustment
G61.82 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.
Medicare coverage
G61.82 is named in 26 Medicare coverage policies — 24 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56731Billing and Coding: Nerve Blocks and Electrostimulation for Peripheral Neuropathynot covered
- A57589Billing and Coding: Nerve Blocks for Peripheral Neuropathynot covered
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
How G61.82 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G61.82.
- MMN(multifocal motor neuropathy)
- Neuropathy, neuropathic›multifocal motor(MMN)
Related codes at this level
Codes that share G61.8. If G61.82 is not quite right, the correct code is usually one of these.
Questions about G61.82
- Is G61.82 a billable ICD-10-CM code?
- Yes. G61.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G61.82 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Polyneuropathies and other disorders of the peripheral nervous system (G60-G65).