L98.4
Non-pressure chronic ulcer of skin, not elsewhere classified
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 16 never code together
L98.4code
L00-L99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- lipomelanotic reticulosis (I89.8)I89.8
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- viral warts (B07.-)B07.-
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
L98.4code
Inclusion terms
- Chronic ulcer of skin NOS
- Tropical ulcer NOS
- Ulcer of skin NOS
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 10 same parent — L98
L98.0 Pyogenic granuloma L98.1 Factitial dermatitis L98.2 Febrile neutrophilic dermatosis [Sweet] L98.3 Eosinophilic cellulitis [Wells] L98.A Non-pressure chronic ulcer of upper limb, NEC category L98.5 Mucinosis of the skin L98.6 Oth infiltrative disorders of the skin, subcu L98.7 Excessive and redundant skin and subcutaneous tissue L98.8 Oth disrd of the skin and subcutaneous tissue L98.9 Disorder of the skin and subcutaneous tissue, unspecified
Subordinate codes 8
L98.41 Non-pressure chronic ulcer of buttock L98.42 Non-pressure chronic ulcer of back L98.43 Non-pressure chronic ulcer of abdomen L98.44 Non-pressure chronic ulcer of chest L98.45 Non-pressure chronic ulcer of neck L98.46 Non-pressure chronic ulcer of face L98.47 Non-pressure chronic ulcer of groin L98.49 Non-pressure chronic ulcer of skin of other sites
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.