Personal history of medical treatment
In Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99), chapter 21: Factors Influencing Health Status and Contact with Health Services
19 billable codes under Z92: none are a CC or MCC; none map to an HCC.
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Instructional notes
Excludes2: not included here, code separately if applicable
- postprocedural states (Z98.-)
Also applies, from Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
These notes sit on Z77-Z99 and apply to every code under it, including Z92.
Code also: add a code for this too, order depends on the encounter
- any follow-up examination (Z08-Z09)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.
All codes under Z92
Z92 can't be used on a claim. Pick a billable code below; grey headings group them.
- Z92.0Personal history of contraception
- Z92.2Personal history of drug therapy
- Z92.21Personal history of antineoplastic chemotherapy
- Z92.22Personal history of monoclonal drug therapy
- Z92.23Personal history of estrogen therapy
- Z92.24Personal history of steroid therapy
- Z92.240Personal history of inhaled steroid therapy
- Z92.241Personal history of systemic steroid therapy
- Z92.25Personal history of immunosuppression therapy
- Z92.26Personal history of immune checkpoint inhibitor therapy
- Z92.29Personal history of other drug therapy
- Z92.3Personal history of irradiation
- Z92.8Personal history of other medical treatment
- Z92.81Personal history of extracorporeal membrane oxygenation (ECMO)
- Z92.82Status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility
- Z92.83Personal history of failed moderate sedation
- Z92.84Personal history of unintended awareness under general anesthesia
- Z92.85Personal history of cellular therapy
- Z92.850Personal history of Chimeric Antigen Receptor T-cell therapy
- Z92.858Personal history of other cellular therapy
- Z92.859Personal history of cellular therapy, unspecified
- Z92.86Personal history of gene therapy
- Z92.89Personal history of other medical treatment
Z92 MS-DRGs
As the principal diagnosis, the billable codes under Z92 group to MS-DRG 951, 949, 950, or 065 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 951 Other Factors Influencing Health Status (11 of 19 codes)
- DRG 949 Aftercare with CC/MCC (8 of 19 codes)
- DRG 950 Aftercare without CC/MCC (8 of 19 codes)
- DRG 065 Intracranial Hemorrhage or Cerebral Infarction with CC or tPA in 24 Hours (1 of 19 codes)
Other codes that refer to Z92
Notes on these codes point to Z92.
- Z87.7 Excludes2: personal history of medical treatment (Z92.-)
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.