ICD-10-CM 2027
ICD-10 code for peripheral nerve neuritis
From the official ICD-10-CM alphabetic index entry “Neuritis (rheumatoid) › peripheral (nerve)”. Page updated September 29, 2026.
About coding peripheral nerve neuritis
The ICD-10-CM code for peripheral nerve neuritis is G62.9 (Polyneuropathy, unspecified).
Within G62, choose G62.9 (Polyneuropathy, unspecified) only when documentation doesn't support a more specific option: drug-induced polyneuropathy (G62.0), alcoholic polyneuropathy (G62.1), polyneuropathy due to other toxic agents (G62.2) and other specified polyneuropathies (G62.8).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 073 (Cranial and Peripheral Nerve Disorders with MCC, relative weight 1.5779) and DRG 074 (Cranial and Peripheral Nerve Disorders without MCC, relative weight 1.0173), in MDC 01 (Diseases and Disorders of the Nervous System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific peripheral nerve neuritis codes (official index)
- multiple
- single
Common questions about peripheral nerve neuritis ICD-10 codes
What is the ICD-10 code for peripheral nerve neuritis?
- G62.9 — Polyneuropathy, unspecified.
Is G62.9 billable?
- Yes. G62.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G62.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G62.9 as a principal diagnosis.
Is G62.9 a CC or MCC?
- No. G62.9 is neither a CC nor an MCC under MS-DRG v44.0.