ICD-10 · PDGM grouping
B00 Herpesviral [herpes simplex] infections
All 15 codes in the B00 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
15
Can lead a claim
15
Cannot lead a claim
0
What CMS assigns to B00
All 15 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases (13) and Neuro Rehabilitation (2). None of the 15 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in B00
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| B00.0 | Eczema herpeticum | Can lead a claim | K | None |
| B00.1 | Herpesviral vesicular dermatitis | Can lead a claim | K | None |
| B00.2 | Herpesviral gingivostomatitis and pharyngotonsillitis | Can lead a claim | K | None |
| B00.3 | Herpesviral meningitis | Can lead a claim | B | None |
| B00.4 | Herpesviral encephalitis | Can lead a claim | B | None |
| B00.5 Herpesviral ocular disease | ||||
| B00.50 | Herpesviral ocular disease, unspecified | Can lead a claim | K | None |
| B00.51 | Herpesviral iridocyclitis | Can lead a claim | K | None |
| B00.52 | Herpesviral keratitis | Can lead a claim | K | None |
| B00.53 | Herpesviral conjunctivitis | Can lead a claim | K | None |
| B00.59 | Other herpesviral disease of eye | Can lead a claim | K | None |
| B00.7 | Disseminated herpesviral disease | Can lead a claim | K | None |
| B00.8 Other forms of herpesviral infections | ||||
| B00.81 | Herpesviral hepatitis | Can lead a claim | K | None |
| B00.82 | Herpes simplex myelitis | Can lead a claim | K | None |
| B00.89 | Other herpesviral infection | Can lead a claim | K | None |
| B00.9 | Herpesviral infection, unspecified | Can lead a claim | K | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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