ICD-10-CM L93 is the diagnosis code for Lupus erythematosus. This code falls under the section "Other disorders of the skin and subcutaneous tissue" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as L93. They are mutually exclusive:
Understanding where L93 sits in the ICD-10-CM classification helps ensure proper coding:
No, L93 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
L93 is the ICD-10-CM diagnosis code for "Lupus erythematosus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
L93 is located in Section L80-L99 — "Other disorders of the skin and subcutaneous tissue" within Chapter 12 of the ICD-10-CM Tabular List.
L93 has 3 sub-code(s) that provide more specific detail: L93.0, L93.1, L93.2.
Use L93 when the patients documented diagnosis matches "Lupus erythematosus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Lupus erythematosus is L93.
No, L93 is non-billable. Use a more specific sub-code for primary diagnosis billing.
L93 is in Chapter 12 of the ICD-10-CM Tabular List.
Type 1 Excludes for L93 include: lupus exedens (A18.4); lupus vulgaris (A18.4); scleroderma (M34.-) and more.
Yes, L93 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.