G95.81 Conus medullaris syndrome

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from G95 Other and unspecified diseases of spinal cord

Excludes2 (not included here)

• myelitis (G04.-)

Applies from G95.8 Other specified diseases of spinal cord

Excludes1 (never code together)

• neurogenic bladder NOS (N31.9)
• neurogenic bladder due to cauda equina syndrome (G83.4)
• neuromuscular dysfunction of bladder without spinal cord lesion (N31.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 182 — Spinal Cord Disorders/Injuries
• CMS-HCC V22: HCC 72 — Spinal Cord Disorders/Injuries
• RxHCC V08: HCC 155 — Spinal Cord Disorders
• ESRD V24: HCC 72

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 336.8 Other myelopathy (approximate)

Diagnosis Index entries for G95.81

• Conus (congenital) (any type) › medullaris syndrome
• Syndrome › conus medullaris

Nearby codes

• G95.19 Other vascular myelopathies
• G95.2 Other and unspecified cord compression
• G95.20 Unspecified cord compression
• G95.29 Other cord compression
• G95.8 Other specified diseases of spinal cord
• G95.81 Conus medullaris syndrome (this code)
• G95.89 Other specified diseases of spinal cord
• G95.9 Disease of spinal cord, unspecified