W90 ICD-10-CM Code: Exposure to other nonionizing radiation
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
W90Exposure to other nonionizing radiation
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where W90 sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category W90
Exposure to other nonionizing radiation
- 4
Code W90
Exposure to other nonionizing radiation
More specific choices
Codes under W90
W90 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for W90.
Code first
No “code first” instruction is listed for W90.
Use additional code
No “use additional code” instruction is listed for W90.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for W90.
Excludes2
Conditions not included here that may be reported separately when present.
- exposure to sunlight (X32)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code W90 mean?
W90 is the FY 2027 U.S. ICD-10-CM code for “Exposure to other nonionizing radiation.”
Is W90 a billable or specific ICD-10-CM code?
No. W90 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is W90 located in ICD-10-CM?
W90 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W90, Exposure to other nonionizing radiation.
What coding notes are listed for W90?
No inclusion terms are listed for W90 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: exposure to sunlight (X32).
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