L93

Non-billable

Lupus erythematosus

L93 is the ICD-10-CM code for Lupus erythematosus. It is a non-billable category code — use a more specific child code such as L93.0 for billing.

Status
Header (non-billable)
Chapter
L00-L99
Subcodes
3
Edition
FY2026

L00-L99 Diseases of the skin and subcutaneous tissue

Excludes1 — not coded here

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

Use additional code

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

Frequently asked questions

What is ICD-10 code L93?
L93 is the ICD-10-CM code for "Lupus erythematosus". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
Is L93 a billable code?
No — L93 is a non-billable header code. Use a more specific child code (such as L93.0) for billing.
What are the subcodes of L93?
L93 has 3 more specific child codes, including L93.0, L93.1, L93.2.
What is excluded from L93?
Excludes1 (not coded here): lupus exedens (A18.4); lupus vulgaris (A18.4); scleroderma (M34.-); systemic lupus erythematosus (M32.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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