L98.4 — Non-pressure chronic ulcer of skin, not elsewhere classified
Not billable
Is L98.4 billable?
No — L98.4 is a non-billable header code. L98.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath L98.4.
Billable codes under this header
- L98.411Non-pressure chronic ulcer of buttock limited to breakdown of skin
- L98.412Non-pressure chronic ulcer of buttock with fat layer exposed
- L98.413Non-pressure chronic ulcer of buttock with necrosis of muscle
- L98.414Non-pressure chronic ulcer of buttock with necrosis of bone
- L98.415Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis
- L98.416Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis
- L98.418Non-pressure chronic ulcer of buttock with other specified severity
- L98.419Non-pressure chronic ulcer of buttock with unspecified severity
- L98.421Non-pressure chronic ulcer of back limited to breakdown of skin
- L98.422Non-pressure chronic ulcer of back with fat layer exposed
- L98.423Non-pressure chronic ulcer of back with necrosis of muscle
- L98.424Non-pressure chronic ulcer of back with necrosis of bone
- L98.425Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis
- L98.426Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis
- L98.428Non-pressure chronic ulcer of back with other specified severity
- L98.429Non-pressure chronic ulcer of back with unspecified severity
- L98.431Non-pressure chronic ulcer of abdomen limited to breakdown of skin
- L98.432Non-pressure chronic ulcer of abdomen with fat layer exposed
- L98.433Non-pressure chronic ulcer of abdomen with necrosis of muscle
- L98.434Non-pressure chronic ulcer of abdomen with necrosis of bone
- L98.435Non-pressure chronic ulcer of abdomen with muscle involvement without evidence of necrosis
- L98.436Non-pressure chronic ulcer of abdomen with bone involvement without evidence of necrosis
- L98.438Non-pressure chronic ulcer of abdomen with other specified severity
- L98.439Non-pressure chronic ulcer of abdomen with unspecified severity
- L98.441Non-pressure chronic ulcer of chest limited to breakdown of skin
- L98.442Non-pressure chronic ulcer of chest with fat layer exposed
- L98.443Non-pressure chronic ulcer of chest with necrosis of muscle
- L98.444Non-pressure chronic ulcer of chest with necrosis of bone
- L98.445Non-pressure chronic ulcer of chest with muscle involvement without evidence of necrosis
- L98.446Non-pressure chronic ulcer of chest with bone involvement without evidence of necrosis
- L98.448Non-pressure chronic ulcer of chest with other specified severity
- L98.449Non-pressure chronic ulcer of chest with unspecified severity
- L98.451Non-pressure chronic ulcer of neck limited to breakdown of skin
- L98.452Non-pressure chronic ulcer of neck with fat layer exposed
- L98.453Non-pressure chronic ulcer of neck with necrosis of muscle
- L98.454Non-pressure chronic ulcer of neck with necrosis of bone
- L98.455Non-pressure chronic ulcer of neck with muscle involvement without evidence of necrosis
- L98.456Non-pressure chronic ulcer of neck with bone involvement without evidence of necrosis
- L98.458Non-pressure chronic ulcer of neck with other specified severity
- L98.459Non-pressure chronic ulcer of neck with unspecified severity
- L98.461Non-pressure chronic ulcer of face limited to breakdown of skin
- L98.462Non-pressure chronic ulcer of face with fat layer exposed
- L98.463Non-pressure chronic ulcer of face with necrosis of muscle
- L98.464Non-pressure chronic ulcer of face with necrosis of bone
- L98.465Non-pressure chronic ulcer of face with muscle involvement without evidence of necrosis
- L98.466Non-pressure chronic ulcer of face with bone involvement without evidence of necrosis
- L98.468Non-pressure chronic ulcer of face with other specified severity
- L98.469Non-pressure chronic ulcer of face with unspecified severity
- L98.471Non-pressure chronic ulcer of groin limited to breakdown of skin
- L98.472Non-pressure chronic ulcer of groin with fat layer exposed
- L98.473Non-pressure chronic ulcer of groin with necrosis of muscle
- L98.474Non-pressure chronic ulcer of groin with necrosis of bone
- L98.475Non-pressure chronic ulcer of groin with muscle involvement without evidence of necrosis
- L98.476Non-pressure chronic ulcer of groin with bone involvement without evidence of necrosis
- L98.478Non-pressure chronic ulcer of groin with other specified severity
- L98.479Non-pressure chronic ulcer of groin with unspecified severity
- L98.491Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin
- L98.492Non-pressure chronic ulcer of skin of other sites with fat layer exposed
- L98.493Non-pressure chronic ulcer of skin of other sites with necrosis of muscle
- L98.494Non-pressure chronic ulcer of skin of other sites with necrosis of bone
L98.4 at a glance
| Code | L98.4 |
|---|---|
| Description | Non-pressure chronic ulcer of skin, not elsewhere classified |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of L98.4, but a patient may have both at the same time. When documentation supports it, L98.4 and the excluded code may both be reported.
Inclusion terms
Alternative wording in documentation that is classified to L98.4.
- Chronic ulcer of skin NOS
- Tropical ulcer NOS
- Ulcer of skin NOS
Excludes2 — not included here — inherited from Chapter 12
The conditions below are not part of L98.4, but a patient may have both at the same time. When documentation supports it, L98.4 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
What codes fall under L98.4? (8)
- L98.41Non-pressure chronic ulcer of buttocknot billable
- L98.42Non-pressure chronic ulcer of backnot billable
- L98.43Non-pressure chronic ulcer of abdomennot billable
- L98.44Non-pressure chronic ulcer of chestnot billable
- L98.45Non-pressure chronic ulcer of necknot billable
- L98.46Non-pressure chronic ulcer of facenot billable
- L98.47Non-pressure chronic ulcer of groinnot billable
- L98.49Non-pressure chronic ulcer of skin of other sitesnot billable
How long has L98.4 existed?
L98.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the L98 family? (10)
- L98.0Pyogenic granuloma
- L98.1Factitial dermatitis
- L98.2Febrile neutrophilic dermatosis [Sweet]
- L98.3Eosinophilic cellulitis [Wells]
- L98.ANon-pressure chronic ulcer of upper limb, not elsewhere classifiednot billable
- L98.5Mucinosis of the skin
- L98.6Other infiltrative disorders of the skin and subcutaneous tissue
- L98.7Excessive and redundant skin and subcutaneous tissue
- L98.8Other specified disorders of the skin and subcutaneous tissue
- L98.9Disorder of the skin and subcutaneous tissue, unspecified