ICD-10/L93.1

L93.1 ICD 2026 Code: Subacute cutaneous lupus erythematosus

L93.1 is the authoritative medical code for Subacute cutaneous lupus erythematosus. This classification is used in medical billing and clinical recording to specify the clinical criteria for subacute cutaneous lupus erythematosus (ICD-10-CM L93.1), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Subacute cutaneous lupus erythematosus is a billable ICD-10-CM diagnosis code L93.1. 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).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for L93.1 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

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

Use Additional Code

Supplementary codes the tabular list directs you to add.

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

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with L93.1?

Per Excludes1 instructions, L93.1 must not be reported with: lupus exedens (A18.4); lupus vulgaris (A18.4); scleroderma (M34.-); systemic lupus erythematosus (M32.-).

Is an additional code needed with L93.1?

Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).

Codes in This Family (3)

Official ICD-10-CM classifications in the same code family as L93.1, with their registry titles.

  • L93 — Lupus erythematosus
  • L93.0 — Discoid lupus erythematosus
  • L93.2 — Other local lupus erythematosus

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Lupus, erythematosus (discoid) (local), subacute cutaneous

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code L89.1 Pressure ulcer of back
ICD Code L90.1 Anetoderma of Schweninger-Buzzi
ICD Code L92.1 Necrobiosis lipoidica, not elsewhere classified
ICD Code L94.1 Linear scleroderma
ICD Code L95.1 Erythema elevatum diutinum
ICD Code L97.1 Non-pressure chronic ulcer of thigh
ICD Code L98.1 Factitial dermatitis
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