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

E78 Disorders of lipoprotein metabolism and other lipidemias

All 18 codes in the E78 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

18

Can lead a claim

17

Cannot lead a claim

1

What CMS assigns to E78

17 of the 18 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 18 is assigned a comorbidity subgroup. 17 of the 18 can lead a claim.

Every code in E78

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
E78.0 Pure hypercholesterolemia
E78.00Pure hypercholesterolemia, unspecifiedCan lead a claimANone
E78.01 Familial hypercholesterolemia
E78.010Homozygous familial hypercholesterolemia [HoFH]Can lead a claimANone
E78.011Heterozygous familial hypercholesterolemia [HeFH]Can lead a claimANone
E78.019Familial hypercholesterolemia, unspecifiedCan lead a claimANone
E78.1Pure hyperglyceridemiaCan lead a claimANone
E78.2Mixed hyperlipidemiaCan lead a claimANone
E78.3HyperchylomicronemiaCan lead a claimANone
E78.4 Other hyperlipidemia
E78.41Elevated Lipoprotein(a)Can lead a claimANone
E78.49Other hyperlipidemiaCan lead a claimANone
E78.5Hyperlipidemia, unspecifiedCan lead a claimANone
E78.6Lipoprotein deficiencyCan lead a claimANone
E78.7 Disorders of bile acid and cholesterol metabolism
E78.70Disorder of bile acid and cholesterol metabolism, unspecifiedCMS: Disorder of bile acid and cholesterol metabolism, unspCan lead a claimANone
E78.71Barth syndromeCan lead a claimANone
E78.72Smith-Lemli-Opitz syndromeCan lead a claimANone
E78.79Other disorders of bile acid and cholesterol metabolismCan lead a claimANone
E78.8 Other disorders of lipoprotein metabolism
E78.81Lipoid dermatoarthritisCan lead a claimANone
E78.89Other lipoprotein metabolism disordersCan lead a claimANone
E78.9Disorder of lipoprotein metabolism, 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.

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