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

I10-I1A — Hypertensive diseases

Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.

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

Codes in range

18

No clinical group

0

A period cannot be grouped from these.

Barred as primary

0

CMS rejects these in the primary position.

Where these codes group

16 of the 18 codes in I10-I1A group to MMTA - Cardiac and Circulatory, but the range is not uniform — it spreads across 2 clinical groups. Every code here is assigned a group.

Code families in I10-I1A

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in I10-I1A

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
I10Essential (primary) hypertensionHCan lead a claim
I110Hypertensive heart disease with heart failureHCan lead a claim
I119Hypertensive heart disease without heart failureHCan lead a claim
I120Hyp chr kidney disease w stage 5 chr kidney disease or ESRDHCan lead a claim
I129Hypertensive chronic kidney disease w stg 1-4/unsp chr kdnyHCan lead a claim
I130Hyp hrt & chr kdny dis w hrt fail and stg 1-4/unsp chr kdnyHCan lead a claim
I1310Hyp hrt & chr kdny dis w/o hrt fail, w stg 1-4/unsp chr kdnyHCan lead a claim
I1311Hyp hrt and chr kdny dis w/o hrt fail, w stg 5 chr kdny/ESRDHCan lead a claim
I132Hyp hrt & chr kdny dis w hrt fail and w stg 5 chr kdny/ESRDHCan lead a claim
I150Renovascular hypertensionHCan lead a claim
I151Hypertension secondary to other renal disordersHCan lead a claim
I152Hypertension secondary to endocrine disordersHCan lead a claim
I158Other secondary hypertensionACan lead a claim
I159Secondary hypertension, unspecifiedACan lead a claim
I160Hypertensive urgencyHCan lead a claim
I161Hypertensive emergencyHCan lead a claim
I169Hypertensive crisis, unspecifiedHCan lead a claim
I1A0Resistant hypertensionHCan lead a claim, code first applies

Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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