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

K77 Liver disorders in diseases classified elsewhere

The one code in the K77 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 K77

This code is assigned no clinical group. It counts toward the Other Disorders of the Liver comorbidity subgroup. It cannot lead a claim. CMS attaches a code-first note to it.

  • Other Disorders of the Liver

Code first

CMS grouper convention 105. Code first:

  • amyloidosis (E85.-)
  • congenital syphilis (A50.0, A50.5)
  • congenital toxoplasmosis (P37.1)
  • infectious mononucleosis with liver disease (B27.0-B27.9 with fifth character 9)
  • schistosomiasis (B65.0-B65.9)
  • underlying disease, such as:

The K77 code

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
K77Liver disorders in diseases classified elsewhereCannot lead a claimManifestation code is not reportable as principal diagnosisNoneOther Disorders of the Liver

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.

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