ICD-10 Code L13.1 - Subcorneal pustular dermatitis

ICD-10-CM Diagnosis Code L13.1

Diagnosis Code: L13.1 (Raw: L131)

Description: Subcorneal pustular dermatitis

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code L13.1 is designated for Subcorneal pustular dermatitis. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.