ICD-10-CM
ICD-10 code for Mucinosis: L98.5
The ICD-10-CM index points "Mucinosis" to L98.5, Mucinosis of the skin. L98.5 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in L98
A header groups codes and is not billed. A billable code is one you can report.
- L98Other disorders of skin and subcutaneous tissue, not elsewhere classifiedHeader
- L98.0Pyogenic granulomaBillable
- L98.1Factitial dermatitisBillable
- L98.2Febrile neutrophilic dermatosis [Sweet]Billable
- L98.3Eosinophilic cellulitis [Wells]Billable
- L98.4Non-pressure chronic ulcer of skin, not elsewhere classifiedHeader
- L98.41Non-pressure chronic ulcer of buttockHeader
- L98.42Non-pressure chronic ulcer of backHeader
- L98.43Non-pressure chronic ulcer of abdomenHeader
- L98.44Non-pressure chronic ulcer of chestHeader
- L98.45Non-pressure chronic ulcer of neckHeader
- L98.46Non-pressure chronic ulcer of faceHeader
- L98.47Non-pressure chronic ulcer of groinHeader
- L98.49Non-pressure chronic ulcer of skin of other sitesHeader
- L98.5Mucinosis of the skinBillable
- L98.6Other infiltrative disorders of the skin and subcutaneous tissueBillable
- L98.7Excessive and redundant skin and subcutaneous tissueBillable
- L98.8Other specified disorders of the skin and subcutaneous tissueBillable
- L98.9Disorder of the skin and subcutaneous tissue, unspecifiedBillable
- L98.ANon-pressure chronic ulcer of upper limb, not elsewhere classifiedHeader
- L98.A1Non-pressure chronic ulcer of upper armHeader
- L98.A2Non-pressure chronic ulcer of forearmHeader
- L98.A3Non-pressure chronic ulcer of handHeader
Excludes1
Excludes1 means these codes are not reported together.
Related conditions
Related pages
- L98.5 code detailsNotes, nearby codes, CMS-HCC group
- Category L98Every code under it
- Chapter 12Diseases of the skin and subcutaneous tissue
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Mucinosis?
The ICD-10-CM index points "Mucinosis" to L98.5, Mucinosis of the skin. L98.5 is a billable code.
Is L98.5 billable?
Yes. L98.5 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to L98.5?
The CDC tabular list gives 2 Excludes1 notes (not coded together) for L98.5 and the categories above it. They are listed on this page.
What chapter is L98.5 in?
Chapter 12. Diseases of the skin and subcutaneous tissue.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.