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

Z92 Personal history of medical treatment

All 19 codes in the Z92 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 Z92

None of the 19 codes is assigned a clinical group. None of the 19 is assigned a comorbidity subgroup. None can lead a claim. CMS attaches a code-first note to 1 of the 19.

Code first

CMS grouper convention 182, on Z92.82. Code first:

  • acute cerebral infarction (I63.-)
  • acute myocardial infarction (I21.-, I22.-)
  • condition requiring tPA administration, such as:

Every code in Z92

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Z92.0Personal history of contraceptionCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.2 Personal history of drug therapy
Z92.21Personal history of antineoplastic chemotherapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.22Personal history of monoclonal drug therapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.23Personal history of estrogen therapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.24 Personal history of steroid therapy
Z92.240Personal history of inhaled steroid therapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.241Personal history of systemic steroid therapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.25Personal history of immunosuppression therapyCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z92.26Personal history of immune checkpoint inhibitor therapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.29Personal history of other drug therapyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.3Personal history of irradiationCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.8 Personal history of other medical treatment
Z92.81Personal history of extracorporeal membrane oxygenation (ECMO)CMS: Prsnl history of extracorporeal membrane oxygenation (ECMO)Cannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.82Status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facilityCMS: S/p admn tPA in diff fac w/n last 24 hr bef adm to crnt facCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z92.83Personal history of failed moderate sedationCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.84Personal history of unintended awareness under general anesthesiaCMS: Pers hx of unintended awareness under general anesthesiaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Z92.85 Personal history of cellular therapy
Z92.850Personal history of Chimeric Antigen Receptor T-cell therapyCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z92.858Personal history of other cellular therapyCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z92.859Personal history of cellular therapy, unspecifiedCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z92.86Personal history of gene therapyCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z92.89Personal history of other medical treatmentCannot 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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