L93

ICD-10Non-billable category

Lupus erythematosus

Official ICD-10-CM descriptor (FY2026)

Lupus erythematosus

L93 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

lupus exedens (A18.4)
lupus vulgaris (A18.4)
scleroderma (M34.-)
systemic lupus erythematosus (M32.-)

Use additional code

Report an additional code to identify the associated condition.

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

More specific codes under L93

Where this code sits

Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: Other disorders of the skin and subcutaneous tissue (L80-L99)

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Source

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.