L98.4 - Non-pressure chronic ulcer of skin, not elsewhere classified

Applicable to Non-pressure chronic ulcer of skin, not elsewhere classified
The 2025 edition of ICD10-CM L98.4 became effective on October 1, 2024.
This is the American ICD10-CM version of L98.4 - other international versions of ICD10 L98.4 may differ.
L98.4 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
L98.4 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

L98.4 - Non-pressure chronic ulcer of skin, not elsewhere classified
- L98.4 - Non-pressure chronic ulcer of skin, not elsewhere classified
- L98.41 - Non-pressure chronic ulcer of buttock
- L98.411 - Non-pressure chronic ulcer of buttock limited to breakdown of skin
- L98.412 - Non-pressure chronic ulcer of buttock with fat layer exposed
- L98.413 - Non-pressure chronic ulcer of buttock with necrosis of muscle
- L98.414 - Non-pressure chronic ulcer of buttock with necrosis of bone
- L98.415 - Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis
- L98.416 - Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis
- L98.418 - Non-pressure chronic ulcer of buttock with other specified severity
- L98.419 - Non-pressure chronic ulcer of buttock with unspecified severity
- L98.42 - Non-pressure chronic ulcer of back
- L98.421 - Non-pressure chronic ulcer of back limited to breakdown of skin
- L98.422 - Non-pressure chronic ulcer of back with fat layer exposed
- L98.423 - Non-pressure chronic ulcer of back with necrosis of muscle
- L98.424 - Non-pressure chronic ulcer of back with necrosis of bone
- L98.425 - Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis
- L98.426 - Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis
- L98.428 - Non-pressure chronic ulcer of back with other specified severity
- L98.429 - Non-pressure chronic ulcer of back with unspecified severity
- L98.49 - Non-pressure chronic ulcer of skin of other sites
- L98.491 - Non-pressure chronic ulcer of skin of other sites limited to breakdown of skin
- L98.492 - Non-pressure chronic ulcer of skin of other sites with fat layer exposed
- L98.493 - Non-pressure chronic ulcer of skin of other sites with necrosis of muscle
- L98.494 - Non-pressure chronic ulcer of skin of other sites with necrosis of bone
- L98.495 - Non-pressure chronic ulcer of skin of other sites with muscle involvement without evidence of necrosis
- L98.496 - Non-pressure chronic ulcer of skin of other sites with bone involvement without evidence of necrosis
- L98.498 - Non-pressure chronic ulcer of skin of other sites with other specified severity
- L98.499 - Non-pressure chronic ulcer of skin of other sites with unspecified severity

Inclusion terms help to clarify and specify the conditions or diseases covered by a particular ICD-10-CM code.

Inclusion Term:

Chronic ulcer of skin NOS
Tropical ulcer NOS
Ulcer of skin NOS

Type 2 Excludes

pressure ulcer (pressure area) (L89.-)
gangrene (I96)
skin infections (L00-L08)
specific infections classified to A00-B99
ulcer of lower limb NEC (L97.-)
varicose ulcer (I83.0-I83.93)

chronic icd 10

ulcer icd 10

Non-Billable/Non-Specific Code

The following codes above L98.4 contain annotation back-references that may be applicable to L98.4:

Chapter: L00-L99 - Diseases of the skin and subcutaneous tissue
Section: L80-L99 - Other disorders of the skin and subcutaneous tissue
Category: L98 - Other disorders of skin and subcutaneous tissue, not elsewhere classified