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

Z00 Encounter for general examination without complaint, suspected or reported diagnosis

All 13 codes in the Z00 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

13

Can lead a claim

0

Cannot lead a claim

13

What CMS assigns to Z00

None of the 13 codes is assigned a clinical group. None of the 13 is assigned a comorbidity subgroup. None can lead a claim.

Every code in Z00

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Z00.0 Encounter for general adult medical examination
Z00.00Encounter for general adult medical examination without abnormal findingsCMS: Encntr for general adult medical exam w/o abnormal findingsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.01Encounter for general adult medical examination with abnormal findingsCMS: Encounter for general adult medical exam w abnormal findingsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.1 Encounter for newborn, infant and child health examinations
Z00.11 Newborn health examination
Z00.110Health examination for newborn under 8 days oldCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.111Health examination for newborn 8 to 28 days oldCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.12 Encounter for routine child health examination
Z00.121Encounter for routine child health examination with abnormal findingsCMS: Encounter for routine child health exam w abnormal findingsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.129Encounter for routine child health examination without abnormal findingsCMS: Encntr for routine child health exam w/o abnormal findingsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.2Encounter for examination for period of rapid growth in childhoodCMS: Encounter for exam for period of rapid growth in childhoodCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.3Encounter for examination for adolescent development stateCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.5Encounter for examination of potential donor of organ and tissueCMS: Encounter for exam of potential donor of organ and tissueCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.6Encounter for examination for normal comparison and control in clinical research programCMS: Encntr for exam for nrml cmprsn and ctrl in clncl rsrch progCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.7 Encounter for examination for period of delayed growth in childhood
Z00.70Encounter for examination for period of delayed growth in childhood without abnormal findingsCMS: Encntr for exam for delay growth in chldhd w/o abn findingsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.71Encounter for examination for period of delayed growth in childhood with abnormal findingsCMS: Encntr for exam for delay growth in chldhd w abn findingsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z00.8Encounter for other general examinationCannot 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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