L21.9

Applicable To

• Seborrhea NOS

Approximate Synonyms

• Seborrhea

• Seborrheic dermatitis

Clinical Information

• A chronic inflammatory disease of the skin with unknown etiology. It is characterized by moderate erythema, dry, moist, or greasy sebaceous gland) scaling and yellow crusted patches on various areas, especially the scalp, that exfoliate as dandruff. Seborrheic dermatitis is common in children and adolescents with hiv infections.

• A kind of skin disorder affecting the scalp, face, and trunk causing scaly, flaky, itchy, red skin

Details

• L21.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM L21.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of L21.9 – other international versions of ICD-10 L21.9 may differ.