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B00.82

B00.82Herpes simplex myelitis

Billable / specific codeICD-10-CM

B00.82 is a billable, specific ICD-10-CM code for herpes simplex myelitis. It is valid for submission on a claim.

Risk adjustment

B00.82 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 182 Spinal Cord Disorders/Injuries0.478 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

B00.82 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

How B00.82 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to B00.82.

  • Myelitisherpes simplex
  • Herpes, herpesvirus, herpeticsimplexmyelitis

Related codes at this level

Codes that share B00.8. If B00.82 is not quite right, the correct code is usually one of these.

Questions about B00.82

Is B00.82 a billable ICD-10-CM code?
Yes. B00.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does B00.82 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Viral infections characterized by skin and mucous membrane lesions (B00-B09).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.