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

Z37 Outcome of delivery

All 19 codes in the Z37 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

19

Can lead a claim

0

Cannot lead a claim

19

What CMS assigns to Z37

None of the 19 codes is assigned a clinical group. None of the 19 is assigned a comorbidity subgroup. None can lead a claim.

Every code in Z37

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Z37.0Single live birthCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.1Single stillbirthCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.2Twins, both livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.3Twins, one liveborn and one stillbornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.4Twins, both stillbornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.5 Other multiple births, all liveborn
Z37.50Multiple births, unspecified, all livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.51Triplets, all livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.52Quadruplets, all livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.53Quintuplets, all livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.54Sextuplets, all livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.59Other multiple births, all livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.6 Other multiple births, some liveborn
Z37.60Multiple births, unspecified, some livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.61Triplets, some livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.62Quadruplets, some livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.63Quintuplets, some livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.64Sextuplets, some livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.69Other multiple births, some livebornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.7Other multiple births, all stillbornCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z37.9Outcome of delivery, unspecifiedCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone

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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