ICD-10 X32
Non-Billable HeaderExposure to sunlight
About ICD-10-CM X32
ICD-10-CM code X32 represents Exposure to sunlight. This is a non-billable header code in the External Causes of Morbidity chapter (block X32). The 2026 edition of ICD-10-CM X32 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with X32. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- man-made radiation (tanning bed) (W89)
Type 2 Excludes
Not included here, the excluded code is not part of X32, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
Coding Notes
Seven Chr Note
- The appropriate 7th character is to be added to code X32
Medicare LCD Coverage for X32
Local Coverage Determinations (LCDs) from CMS MACs that list X32 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing X32.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but X32 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with X32
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To X32
Other codes in section X30-X39 (Exposure to forces of nature).
ICD-10 X32, Billing FAQ
Is ICD-10 code X32 billable? +
No, X32 is a non-billable header code. Use a more specific child code from block X32 when submitting claims.
What codes are Type 1 Excludes for X32? +
Type 1 Excludes (never code together with X32): man-made radiation (tanning bed) (W89)
What codes are Type 2 Excludes for X32? +
Type 2 Excludes (may be coded together when both conditions exist): radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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