Z57.1 Occupational exposure to radiation

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

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• V62.1 Adverse effects of work environment (approximate)

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 Z57.1

Back-references to Z57.1

• Type 1 Excludes: Z92.3 Personal history of irradiation ("occupational exposure to radiation (Z57.1)")

Back-references to Z57

• Type 1 Excludes: Z13.88 Encounter for screening for disorder due to exposure to contaminants ("those exposed to contaminants without suspected disorders (Z57.-, Z77.-)")
• Type 2 Excludes: Z56 Problems related to employment and unemployment ("occupational exposure to risk factors (Z57.-)")
• Type 2 Excludes: Z58 Problems related to physical environment ("occupational exposure (Z57.-)")
• Type 2 Excludes: Z72 Problems related to lifestyle ("problems related to socioeconomic and psychosocial circumstances (Z55-Z65)")
• Type 2 Excludes: Z73 Problems related to life management difficulty ("problems related to socioeconomic and psychosocial circumstances (Z55-Z65)")
• Type 2 Excludes: Z77 Other contact with and (suspected) exposures hazardous to health ("occupational exposure to risk factors (Z57.-)")
• Type 2 Excludes: Z91 Personal risk factors, not elsewhere classified ("occupational exposure to risk factors (Z57.-)")

Diagnosis Index entries for Z57.1

• Exposure (to) › occupational › radiation

Nearby codes

• Z57 Occupational exposure to risk factors
• Z57.0 Occupational exposure to noise
• Z57.1 Occupational exposure to radiation (this code)
• Z57.2 Occupational exposure to dust
• Z57.3 Occupational exposure to other air contaminants
• Z57.31 Occupational exposure to environmental tobacco smoke
• Z57.39 Occupational exposure to other air contaminants
• Z57.4 Occupational exposure to toxic agents in agriculture