L56.1

Drug photoallergic response

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · L56.1

Use additional

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inherited from L56Other acute skin changes due to ultraviolet radiation

Use additional

code to identify the source of the ultraviolet radiation (W89, X32)

Inherited from chapter 12Diseases of the skin and subcutaneous tissue

Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) lipomelanotic reticulosis (I89.8) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) systemic connective tissue disorders (M30-M36) viral warts (B07.-)

Official Guidelines for L56.1

FY 2026 ›

I.C.12Chapter-specific guidanceChapter 12: Diseases of the Skin and Subcutaneous Tissue

Subsections

Find L56.1 in the alphabetic index

2 index paths lead to this code