L56.4
ICD-10BillablePolymorphous light eruption
Official ICD-10-CM descriptor (FY2026)
Polymorphous light eruption
L56.4 is valid for submission on a claim — CMS flags it as a billable, specific code.
Related codes in L56
- L56.0Drug phototoxic response
- L56.1Drug photoallergic response
- L56.2Photocontact dermatitis [berloque dermatitis]
- L56.3Solar urticaria
- L56.5Disseminated superficial actinic porokeratosis (DSAP)
- L56.8Oth acute skin changes due to ultraviolet radiation
- L56.9Acute skin change due to ultraviolet radiation, unspecified
Where this code sits
- Parent code
- L56
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.