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

I12 Hypertensive chronic kidney disease

All 2 codes in the I12 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

2

Can lead a claim

2

Cannot lead a claim

0

What CMS assigns to I12

All 2 codes group to MMTA - Cardiac and Circulatory. All 2 count toward the Hypertensive Chronic Kidney Disease comorbidity subgroup. Every code can lead a claim.

  • Hypertensive Chronic Kidney Disease: counts toward the high comorbidity tier only in an interaction pair.

Every code in I12

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal diseaseCMS: Hyp chr kidney disease w stage 5 chr kidney disease or ESRDCan lead a claimHHypertensive Chronic Kidney Disease
I12.9Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney diseaseCMS: Hypertensive chronic kidney disease w stg 1-4/unsp chr kdnyCan lead a claimHHypertensive Chronic Kidney Disease

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