October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

B20 Human immunodeficiency virus [HIV] disease

The one code in the B20 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.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

1

Can lead a claim

1

Cannot lead a claim

0

What CMS assigns to B20

This code groups to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases. It counts toward the C-diff, MRSA, E-coli, Sepsis comorbidity subgroup. It can lead a claim. CMS attaches a code-first note to it.

  • C-diff, MRSA, E-coli, Sepsis: counts toward the high comorbidity tier only in an interaction pair.

Code first

CMS grouper convention 3. Code first:

  • Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium, if applicable (O98.7-)

The B20 code

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
B20Human immunodeficiency virus [HIV] diseaseCan lead a claim, code first appliesKC-diff, MRSA, E-coli, Sepsis

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.

The monthly home health regs digest

What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue