ICD-10-CM L52 is the diagnosis code for Erythema nodosum. This code falls under the section "Urticaria and erythema" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 L52. They are mutually exclusive:
Understanding where L52 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, L52 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
L52 is the ICD-10-CM diagnosis code for "Erythema nodosum". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
L52 is located in Section L49-L54 — "Urticaria and erythema" within Chapter 12 of the ICD-10-CM Tabular List.
Use L52 when the patients documented diagnosis matches "Erythema nodosum" 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 Erythema nodosum is L52.
Yes, L52 can be used as a primary diagnosis code since it is billable and specific.
L52 is in Chapter 12 of the ICD-10-CM Tabular List.
Type 1 Excludes for L52 include: tuberculous erythema nodosum (A18.4).
Yes, L52 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.