L98.5
L98.5: Mucinosis of the skin
Billable / specific codeICD-10-CM
L98.5 is a billable, specific ICD-10-CM code for mucinosis of the skin. It is valid for submission on a claim.
Check L98.5 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Focal mucinosis
- Lichen myxedematosus
- Reticular erythematous mucinosis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
L98.5 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56439Billing and Coding: Blepharoplasty
- A56786Billing and Coding: Immune Globulin
- A57044Billing and Coding: Removal of Benign Skin Lesions
- A57482Billing and Coding: Removal of Benign Skin Lesions
Alphabetic index entries that lead here
- Mucinosis(cutaneous) (focal) (papular) (reticular erythematous) (skin)
- Reticular erythematous mucinosis
- Scleromyxedema
- Lichen›myxedematosus
- Myxedema›cutis
- Myxedema›papular
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under L98
- L98.0Pyogenic granuloma
- L98.1Factitial dermatitis
- L98.2Febrile neutrophilic dermatosis [Sweet]
- L98.3Eosinophilic cellulitis [Wells]
- L98.4Non-pressure chronic ulcer of skin, not elsewhere classified
- L98.ANon-pressure chronic ulcer of upper limb, not elsewhere classified
- L98.6Other infiltrative disorders of the skin and subcutaneous tissue
- L98.7Excessive and redundant skin and subcutaneous tissue
- L98.8Other specified disorders of the skin and subcutaneous tissue
- L98.9Disorder of the skin and subcutaneous tissue, unspecified