2026 ICD-10-CM Diagnosis Code Z57.2Occupational exposure to dust
Z57.2 is a billable ICD-10-CM diagnosis code for occupational exposure to dust. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. Coders also document this condition as exposure to toxic dust. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Socioeconomic/psychosocial factors.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for Z57.2.
Present on Admission (POA)Billing
Z57.2 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Exposure to toxic dust
- Occupational exposure to dust
- Occupational exposure to toxic agent
- Occupational exposure to toxic dust
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Exposure (to) - See Also: Contact, with; - T75.89
- dust - Z57.2
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Exposure(to)
- occupational
- dust
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Indoor Air Pollution
We usually think of air pollution as being outdoors, but the air in your house or office could also be polluted. Sources of indoor pollution include:
Read the full article at MedlinePlus
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Convert Z57.2 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About Z57.2Overview
Is Z57.2 (Occupational exposure to risk factors) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report occupational exposure to dust on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Can Z57.2 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because occupational exposure to dust describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
Is Z57.2 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for occupational exposure to dust on inpatient claims.
What is the ICD-9 equivalent of Z57.2?
Under the General Equivalence Mappings, occupational exposure to dust converts to ICD-9-CM V62.1 (adverse eff-work environ). The mapping is approximate, so confirm the match fits the documentation.
