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B08.01

B08.01: Cowpox and vaccinia not from vaccine

Non-billable headerICD-10-CM

B08.01 is a non-billable header ICD-10-CM code for cowpox and vaccinia not from vaccine. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above B08.01

A category’s note binds every code beneath it.

Written on B08: Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified

  • vesicular stomatitis virus disease (A93.8)

Excludes2 inherited from the categories above B08.01

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

Written on B08.0: Other orthopoxvirus infections

  • monkeypox (B04)

Other codes that can never be billed with B08.01

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • T88.1Other complications following immunization, not elsewhere classified
  • T88.1XXAOther complications following immunization, not elsewhere classified, initial encounter
  • T88.1XXDOther complications following immunization, not elsewhere classified, subsequent encounter
  • T88.1XXSOther complications following immunization, not elsewhere classified, sequela

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead B08.01

2 child codes. Green means billable.

Other codes under B08.0

ICD-10-CMFY2027· effective October 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.