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

R09 Other symptoms and signs involving the circulatory and respiratory system

All 12 codes in the R09 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

12

Can lead a claim

0

Cannot lead a claim

12

What CMS assigns to R09

None of the 12 codes is assigned a clinical group. None of the 12 is assigned a comorbidity subgroup. None can lead a claim.

Every code in R09

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
R09.0 Asphyxia and hypoxemia
R09.01AsphyxiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.02HypoxemiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.1PleurisyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.2Respiratory arrestCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.3Abnormal sputumCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.8 Other specified symptoms and signs involving the circulatory and respiratory systems
R09.81Nasal congestionCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.82Postnasal dripCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.89Other specified symptoms and signs involving the circulatory and respiratory systemsCMS: Oth symptoms and signs involving the circ and resp systemsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.A Foreign body sensation of the circulatory and respiratory system
R09.A0Foreign body sensation, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.A1Foreign body sensation, noseCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.A2Foreign body sensation, throatCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R09.A9Foreign body sensation, other siteCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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