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

E34 Other endocrine disorders

All 18 codes in the E34 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

16

Cannot lead a claim

2

What CMS assigns to E34

16 of the 18 codes group to MMTA - Endocrine (12) and MMTA - Other (4); 2 are assigned no clinical group. None of the 18 is assigned a comorbidity subgroup. 16 of the 18 can lead a claim.

Every code in E34

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
E34.0 Carcinoid syndrome
E34.00Carcinoid syndrome, unspecifiedCan lead a claimINone
E34.01Carcinoid heart syndromeCan lead a claimINone
E34.09Other carcinoid syndromeCan lead a claimINone
E34.1Other hypersecretion of intestinal hormonesCan lead a claimANone
E34.2Ectopic hormone secretion, not elsewhere classifiedCan lead a claimANone
E34.3 Short stature due to endocrine disorder
E34.30Short stature due to endocrine disorder, unspecifiedCan lead a claimINone
E34.31Constitutional short statureCan lead a claimINone
E34.32 Genetic causes of short stature
E34.321Primary insulin-like growth factor-1 (IGF-1) deficiencyCan lead a claimINone
E34.322Insulin-like growth factor-1 (IGF-1) resistanceCan lead a claimINone
E34.328Other genetic causes of short statureCan lead a claimINone
E34.329Unspecified genetic causes of short statureCan lead a claimINone
E34.39Other short stature due to endocrine disorderCan lead a claimINone
E34.4Constitutional tall statureCan lead a claimANone
E34.5 Androgen insensitivity syndrome
E34.50Androgen insensitivity syndrome, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
E34.51Complete androgen insensitivity syndromeCan lead a claimINone
E34.52Partial androgen insensitivity syndromeCan lead a claimANone
E34.8Other specified endocrine disordersCan lead a claimINone
E34.9Endocrine disorder, 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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