G31.89

G31.89: Other specified degenerative diseases of nervous system

Billable / specific codeICD-10-CM

G31.89 is a billable, specific ICD-10-CM code for other specified degenerative diseases of nervous system. It is valid for submission on a claim.

Check G31.89 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above G31.89

Not part of this code, but both may be coded when both are present.

Written on G31: Other degenerative diseases of nervous system, not elsewhere classified

Reye's syndrome (G93.7)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G31.89 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
A57204Billing and Coding: MRI and CT Scans of the Head and Neck
A57780Billing and Coding: Psychological and Neuropsychological Tests

Alphabetic index entries that lead here

Seitelberger's syndrome(infantile neuraxonal dystrophy)
Degeneration, degenerative›cortical(cerebellar) (parenchymatous)
Degeneration, degenerative›spinal(cord)
Dystrophy, dystrophia›infantile neuraxonal
Syndrome›Seitelberger's
Degeneration, degenerative›brain›cystic
Degeneration, degenerative›nervous system›fatty
Degeneration, degenerative›nervous system›specified NEC
Degeneration, degenerative›spinal›familial NEC
Degeneration, degenerative›spinal›fatty
Degeneration, degenerative›brain›childhood›specified NEC

Code history

Unchanged in every release from FY2024 to FY2027.