Z13.88 Encounter for screening for disorder due to exposure to contaminants
The ICD-10-CM code for Encounter for screening for disorder due to exposure to contaminants is Z13.88 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- Z00-Z13: Persons encountering health services for examinations (Z00-Z13)
- Category Z13
- 40 codes (30 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to Z13.88:
- Screening (for) › poisoning (chemical) (heavy metal)
- Screening (for) › ingestion of radioactive substance
- Screening (for) › exposure to contaminants (toxic)
- Screening (for) › contamination NEC
- Screening (for) › radiation exposure
U.S. Hospital Utilization
Z13.88 appeared in too few sampled U.S. inpatient stays in 2023 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Used with any code in range A00.0-T88.9, Z00-Z991) 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.
Additional codes with observation code (fragment)observation code, but only if they are unrelated to the suspected condition being observed.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026