ICD-10 · PDGM grouping
B10 Other human herpesviruses
All 5 codes in the B10 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
5
Can lead a claim
5
Cannot lead a claim
0
What CMS assigns to B10
All 5 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases (3) and Neuro Rehabilitation (2). None of the 5 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in B10
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 |
|---|---|---|---|---|
| B10.0 Other human herpesvirus encephalitis | ||||
| B10.01 | Human herpesvirus 6 encephalitis | Can lead a claim | B | None |
| B10.09 | Other human herpesvirus encephalitis | Can lead a claim | B | None |
| B10.8 Other human herpesvirus infection | ||||
| B10.81 | Human herpesvirus 6 infection | Can lead a claim | K | None |
| B10.82 | Human herpesvirus 7 infection | Can lead a claim | K | None |
| B10.89 | Other human herpesvirus infection | 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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