L98.5

Applicable To

• Focal mucinosis

• Lichen myxedematosus

• Reticular erythematous mucinosis

Approximate Synonyms

• Mucinosis affecting skin

• Mucinosis of skin

Clinical Information

• A connective tissue disorder characterized by widespread thickening of skin with a cobblestone-like appearance. It is caused by proliferation of fibroblasts and deposition of mucin in the dermis in the absence of thyroid disease. Most scleromyxedema cases are associated with a monoclonal gammopathy, immunoglobulin igg-lambda.

• A rare chronic and progressive skin disorder characterized by mucin deposition in the skin, resulting in the thickening and hardening of the skin, predominantly in the face, fingers, and extremities.

Details

• L98.5 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 L98.5 became effective on October 1, 2022.

• This is the American ICD-10-CM version of L98.5 – other international versions of ICD-10 L98.5 may differ.