G62.81: Critical illness polyneuropathy
G62.81 is the billable ICD-10-CM diagnosis code for Critical illness polyneuropathy. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code G62.81?
G62.81 is the ICD-10-CM diagnosis code for Critical illness polyneuropathy. It belongs to category G62 (Other and unspecified polyneuropathies).
Is G62.81 a billable code?
Yes. G62.81 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does G62.81 belong to?
G62.81 is part of ICD-10-CM category G62 — Other and unspecified polyneuropathies, which has 14 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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