Z92.26 Personal history of immune checkpoint inhibitor therapy

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Personal history of immune checkpoint inhibitor therapy is Z92.26 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
Z77-Z99: Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Category Z92
24 codes (19 billable)
FY2026 Status
Introduced in FY2025

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Z92.26:

  • History › personal (of) › ICI (immune checkpoint inhibitor) drug therapy
  • History › personal (of) › immune checkpoint inhibitor (ICI) therapy
  • History › personal (of) › drug therapy › ICI (immune checkpoint inhibitor) drug therapy

Inclusion Terms

  • Personal history of ICI drug therapy

Official Coding Guidelines

Used with any code in range A00.0-T88.9, Z00-Z99

1) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.20.a.1
Additional codes with observation code (fragment)

observation code, but only if they are unrelated to the suspected condition being observed.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.21.c.6

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

Z92 Personal history of medical treatment

Related Codes in Z92

Z92 Personal history of medical treatment Z92.0 Personal history of contraception Z92.2 Personal history of drug therapy Z92.21 Personal history of antineoplastic chemotherapy Z92.22 Personal history of monoclonal drug therapy Z92.23 Personal history of estrogen therapy Z92.24 Personal history of steroid therapy Z92.240 Personal history of inhaled steroid therapy Z92.241 Personal history of systemic steroid therapy Z92.25 Personal history of immunosuppression therapy Z92.29 Personal history of other drug therapy Z92.3 Personal history of irradiation Z92.8 Personal history of other medical treatment Z92.81 Personal history of extracorporeal membrane oxygenation (ECMO) Z92.82 Status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility Z92.83 Personal history of failed moderate sedation Z92.84 Personal history of unintended awareness under general anesthesia Z92.85 Personal history of cellular therapy Z92.850 Personal history of Chimeric Antigen Receptor T-cell therapy Z92.858 Personal history of other cellular therapy
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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