G83.83 Posterior cord syndrome

Billable ICD-10-CM code, FY2026.

Applies from G83 Other paralytic syndromes

Includes

• paralysis (complete) (incomplete), except as in G80-G82

Notes

• This category is to be used only when the listed conditions are reported without further specification, or are stated to be old or longstanding but of unspecified cause. The category is also for use in multiple coding to identify these conditions resulting from any cause.

Applies from G83.8 Other specified paralytic syndromes

Excludes1 (never code together)

• paralytic syndromes due to current spinal cord injury-code to spinal cord injury (S14, S24, S34)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 254 — Monoplegia, Other Paralytic Syndromes
• CMS-HCC V22: HCC 104 — Monoplegia, Other Paralytic Syndromes
• ESRD V24: HCC 104

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 344.89 Other specified paralytic syndrome (approximate)

Diagnosis Index entries for G83.83

• Syndrome › cord › posterior
• Syndrome › posterior › cord

Nearby codes

• G83.4 Cauda equina syndrome
• G83.5 Locked-in state
• G83.8 Other specified paralytic syndromes
• G83.81 Brown-Sequard syndrome
• G83.82 Anterior cord syndrome
• G83.83 Posterior cord syndrome (this code)
• G83.84 Todd's paralysis (postepileptic)
• G83.89 Other specified paralytic syndromes
• G83.9 Paralytic syndrome, unspecified