L98.4
Non-billableNon-pressure chronic ulcer of skin, not elsewhere classified
Non-pressure chronic ulcer of skin, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Chronic ulcer of skin NOS
- Tropical ulcer NOS
- Ulcer of skin NOS
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- •pressure ulcer (pressure area)L89
- •gangreneI96
- •skin infectionsL00-L08
- •specific infections classified toA00-B99
- •ulcer of lower limb NECL97
- •varicose ulcerI83.0-I83.93
Child Codes (3)
Related Codes(9)
L98.0Pyogenic granuloma
L98.1Factitial dermatitis
L98.2Febrile neutrophilic dermatosis [Sweet]
L98.3Eosinophilic cellulitis [Wells]
L98.5Mucinosis of the skin
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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(38)
UMLS
- Chronic skin ulcerC0157738
- Chronic skin ulcer of unspecified siteC0157738
- Chronic skin ulcersC0157738
- Chronic ulcer of skinC0157738
- Chronic ulcer of skin (disorder)C0157738
- Chronic ulcer of skin NOSC0157738
- Chronic ulcer of skin, unspecified siteC0157738
- chronic skin ulcerC0157738
- chronic skin ulcersC0157738
- Cutaneous ulcerC0037299
- Cutaneous ulcersC0037299
- Open skin soreC0037299
- Skin UlcerC0037299
- Skin UlcersC0037299
- Skin ulcerC0037299
- Skin ulcer (disorder)C0037299
- Skin ulcer NOSC0037299
- Skin ulcerationC0037299
- Skin ulcerationsC0037299
- Skin ulcersC0037299
- Ulcer of skin NOSC0037299
- Ulcer skinC0037299
- Ulcer, SkinC0037299
- Ulcers, SkinC0037299
- cutaneous ulcerC0037299
- cutaneous ulcersC0037299
- skin soresC0037299
- skin ulcerC0037299
- skin ulcerationC0037299
- skin ulcerationsC0037299
- skin ulcersC0037299
- sore on skinC0037299
- Non-pressure chronic ulcer of skin, not elsewhere classifiedC2888772
- Tropical ulcerC0263556
- Tropical ulcer NOSC0263556
- tropical ulcerC0263556
- tropical ulcer NOSC0263556
- tropical ulcersC0263556
Frequently Asked Questions
What is the ICD-10 code for non-pressure chronic ulcer of skin, not elsewhere classified?
The ICD-10-CM code for non-pressure chronic ulcer of skin, not elsewhere classified is L98.4. The full clinical description is "Non-pressure chronic ulcer of skin, not elsewhere classified". L98.4 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code L98.4 mean?
ICD-10-CM code L98.4 represents “Non-pressure chronic ulcer of skin, not elsewhere classified”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is L98.4 a billable code?
No, L98.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under L98.4.
What chapter is L98.4 in?
L98.4 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What are the subcategories under L98.4?
L98.4 has 3 child codes, including: L98.41 (Non-pressure chronic ulcer of buttock), L98.42 (Non-pressure chronic ulcer of back), L98.49 (Non-pressure chronic ulcer of skin of other sites).
What are the UMLS CUIs for L98.4?
L98.4 is linked to 4 UMLS Concept Unique Identifiers: C0157738, C0037299, C2888772, C0263556. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L98.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like non-pressure chronic ulcer of skin, not elsewhere classified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L98.4?
L98.4 maps to the ICD-11 code: EM0Z (Skin disease of unspecified nature).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.