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L98.429

✓ Billable

Non-pressure chronic ulcer of back with unspecified severity

Diseases of the skin and subcutaneous tissue (L00-L99)

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⚠️ Excludes2

inherited

Rules inherited from parent codes.

L98.4
  • • 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)

Clinical Description

ICD-10-CM code L98.429 represents non-pressure chronic ulcer of back with unspecified severity. This code falls under the Diseases of the skin and subcutaneous tissue (L00-L99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory.

Frequently Asked Questions

What is ICD-10 code L98.429?

ICD-10-CM code L98.429 is "Non-pressure chronic ulcer of back with unspecified severity". It belongs to the category: Diseases of the skin and subcutaneous tissue (L00-L99).

Is L98.429 a billable ICD-10 code?

Yes, L98.429 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Can L98.429 be coded with other codes?

L98.429 has 6 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in L98.42

Other codes in the same category that may be relevant for differential coding:

L98.421Non-pressure chronic ulcer of back limited to breakdown of skinL98.422Non-pressure chronic ulcer of back with fat layer exposedL98.423Non-pressure chronic ulcer of back with necrosis of muscleL98.424Non-pressure chronic ulcer of back with necrosis of boneL98.425Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosisL98.426Non-pressure chronic ulcer of back with bone involvement without evidence of necrosisL98.428Non-pressure chronic ulcer of back with other specified severity

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Code Information

CodeL98.429
BillableYes
ParentL98.42
CategoryDiseases of the skin and subcutaneous tissue (L00-L99)
Excludes10 rule(s)
Excludes26 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)