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L97.903 vs L97.913

L97.903 (Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle) compared with L97.913 (Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle), from the official CMS tabular data. L97.903 and L97.913 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

L97.903
Unspecified
Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle
↔
L97.913
Right
Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. L97.903 and L97.913 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

L97.903Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscleL97.913Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle
Billing statusBillableBillable
ClassificationL00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)
DefinitionNon-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle is a billable ICD-10-CM diagnosis code (L97.903).Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle is a billable ICD-10-CM diagnosis code (L97.913).
Includes
chronic ulcer of skin of lower limb NOS
non-healing ulcer of skin
non-infected sinus of skin
trophic ulcer NOS
chronic ulcer of skin of lower limb NOS
non-healing ulcer of skin
non-infected sinus of skin
trophic ulcer NOS
Code first
any associated underlying condition, such as:
any associated gangrene (I96)
any associated underlying condition, such as:
any associated gangrene (I96)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources