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B00.82

Billable

Herpes simplex myelitis

HCC Category Mapping

V28HCC 182Spinal Cord Disorders/Injuries
0.282
V24HCC 72Spinal Cord Disorders/Injuries
0.464
ESRDHCC 72Spinal Cord Disorders/Injuries
0.000
RxHCCHCC 155Myelitis and Encephalomyelitis
0.000

What This Code Means

Herpes simplex virus infection affecting the spinal cord, causing inflammation and potentially resulting in weakness or paralysis.

Coding Tips

  • Document the level of spinal cord involvement if specified
  • Distinguish from B01.12 (varicella myelitis) which is caused by chickenpox virus instead

Clinical Significance

Herpes simplex myelitis is inflammation of the spinal cord caused by HSV infection, a rare but serious neurological emergency that can result in paraplegia or quadriplegia. It requires urgent antiviral therapy and reflects significant neurological disease burden in risk adjustment.

Documentation Requirements

  • HSV confirmed by CSF PCR (HSV-1 or HSV-2 specified)
  • MRI of the spine showing myelitis pattern (T2 signal abnormality within the spinal cord)
  • Spinal cord level(s) involved documented (cervical, thoracic, lumbar)
  • Neurological examination: motor and sensory level, bowel/bladder function, reflexes
  • Immunological status of the patient (immunocompromised vs. immunocompetent)

Commonly Confused Codes

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