Z92.3 Personal history of irradiation

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Personal history of exposure to therapeutic radiation

Excludes1 (never code together)

• exposure to radiation in the physical environment (Z77.12)
• occupational exposure to radiation (Z57.1)

Applies from Z92 Personal history of medical treatment

Excludes2 (not included here)

• postprocedural states (Z98.-)

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V15.3 Personal history of irradiation, presenting hazards to health

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z92.3

Back-references to Z92

• Type 2 Excludes: Z87.7 Personal history of (corrected) congenital malformations ("personal history of medical treatment (Z92.-)")

Diagnosis Index entries for Z92.3

• History › personal (of) › irradiation
• History › personal (of) › radiation therapy

Nearby codes

• Z92.240 Personal history of inhaled steroid therapy
• Z92.241 Personal history of systemic steroid therapy
• Z92.25 Personal history of immunosuppression therapy
• Z92.26 Personal history of immune checkpoint inhibitor therapy
• Z92.29 Personal history of other drug therapy
• Z92.3 Personal history of irradiation (this code)
• 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