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

U09 Post COVID-19 condition

The one code in the U09 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

0

Cannot lead a claim

1

What CMS assigns to U09

This code is assigned no clinical group. It counts toward the 2019 Novel Coronavirus comorbidity subgroup. It cannot lead a claim. CMS attaches a code-first note to it.

  • 2019 Novel Coronavirus

Code first

CMS grouper convention 168. Code first:

  • chronic respiratory failure (J96.1-)
  • loss of smell (R43.8)
  • loss of taste (R43.8)
  • multisystem inflammatory syndrome (M35.81)
  • pulmonary embolism (I26.-)
  • pulmonary fibrosis (J84.10)
  • the specific condition related to COVID-19 if known, such as:

The U09 code

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
U09.9Post COVID-19 condition, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNone2019 Novel Coronavirus

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