L98.4 – Non-pressure chronic ulcer of skin, not elsewhere classified
ICD-10-CM 2027 diagnosis code · Other disorders of the skin and subcutaneous tissue
ICD-10-CM code
L98.4
- Code
L98.4(claims format:L984)- Description
- Non-pressure chronic ulcer of skin, not elsewhere classified
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 12. Diseases of the skin and subcutaneous tissue (L00-L99)
- Block
- L80-L99 Other disorders of the skin and subcutaneous tissue
- Parent codes
- L98
Billable codes under L98.4
L98.4 is a header code and cannot be used on claims. Choose the most specific code:
- L98.41 – Non-pressure chronic ulcer of buttockHeader (more codes below)
- L98.42 – Non-pressure chronic ulcer of backHeader (more codes below)
- L98.43 – Non-pressure chronic ulcer of abdomenHeader (more codes below)
- L98.44 – Non-pressure chronic ulcer of chestHeader (more codes below)
- L98.45 – Non-pressure chronic ulcer of neckHeader (more codes below)
- L98.46 – Non-pressure chronic ulcer of faceHeader (more codes below)
- L98.47 – Non-pressure chronic ulcer of groinHeader (more codes below)
- L98.49 – Non-pressure chronic ulcer of skin of other sitesHeader (more codes below)
Notes for L98.4
Applicable to:
- Chronic ulcer of skin NOS
- Tropical ulcer NOS
- Ulcer of skin NOS
Related codes in L98
- L98.0 – Pyogenic granulomaBillable
- L98.1 – Factitial dermatitisBillable
- L98.2 – Febrile neutrophilic dermatosis [Sweet]Billable
- L98.3 – Eosinophilic cellulitis [Wells]Billable
- L98.A – Non-pressure chronic ulcer of upper limb, not elsewhere classifiedHeader
- L98.5 – Mucinosis of the skinBillable
- L98.6 – Other infiltrative disorders of the skin and subcutaneous tissueBillable
- L98.7 – Excessive and redundant skin and subcutaneous tissueBillable
- L98.8 – Other specified disorders of the skin and subcutaneous tissueBillable
- L98.9 – Disorder of the skin and subcutaneous tissue, unspecifiedBillable
Frequently asked questions
What is ICD-10 code L98.4?
L98.4 is the ICD-10-CM code for non-pressure chronic ulcer of skin, not elsewhere classified, in the block L80-L99 (Other disorders of the skin and subcutaneous tissue).
Is L98.4 a billable code?
No. L98.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does L98.4 belong to?
It belongs to category L98 – Other disorders of skin and subcutaneous tissue, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.