L98.5
ICD-10BillableMucinosis of the skin
Official ICD-10-CM descriptor (FY2026)
Mucinosis of the skin
L98.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Focal mucinosis
- Lichen myxedematosus
- Reticular erythematous mucinosis
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- focal oral mucinosis (K13.79)
- myxedema (E03.9)
Related codes in 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 classifiedcategory
- L98.ANon-pressure chronic ulcer of upper limb, NECcategory
- L98.6Oth infiltrative disorders of the skin, subcu
- L98.7Excessive and redundant skin and subcutaneous tissue
- L98.8Oth disrd of the skin and subcutaneous tissue
- L98.9Disorder of the skin and subcutaneous tissue, unspecified
Where this code sits
- Parent code
- L98
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.