ICD-10-CM Diagnosis Code (2025)
Official Description for L21
Seborrheic dermatitis
Coding Notes & Guidelines for L21
Excludes2: Not Included Here
- infective dermatitis (L30.3)
- seborrheic keratosis (L82.-)
Inclusion Terms
Cradle cap
Inclusion Terms
Seborrhea NOS
Child Codes (More Specific Codes for L21):
About ICD-10-CM Code L21 (Seborrheic dermatitis)
ICD-10-CM code L21 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM L21 became effective on October 1, 2024.
This page provides detailed information about L21 - Seborrheic dermatitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Seborrheic dermatitis.