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

Q39 Congenital malformations of esophagus

All 9 codes in the Q39 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

9

Can lead a claim

8

Cannot lead a claim

1

What CMS assigns to Q39

8 of the 9 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 9 is assigned a comorbidity subgroup. 8 of the 9 can lead a claim.

Every code in Q39

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Q39.0Atresia of esophagus without fistulaCan lead a claimANone
Q39.1Atresia of esophagus with tracheo-esophageal fistulaCan lead a claimANone
Q39.2Congenital tracheo-esophageal fistula without atresiaCan lead a claimANone
Q39.3Congenital stenosis and stricture of esophagusCan lead a claimANone
Q39.4Esophageal webCan lead a claimANone
Q39.5Congenital dilatation of esophagusCan lead a claimANone
Q39.6Congenital diverticulum of esophagusCan lead a claimANone
Q39.8Other congenital malformations of esophagusCan lead a claimANone
Q39.9Congenital malformation of esophagus, unspecifiedCannot 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