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I70.335 vs I70.345

I70.335 (Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot) compared with I70.345 (Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot), from the official CMS tabular data. I70.335 and I70.345 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

I70.335
Right
Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot
↔
I70.345
Left
Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot

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. I70.335 and I70.345 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

I70.335Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of footI70.345Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot
Billing statusBillableBillable
ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)I00-I99 — Diseases of the Circulatory System (I00-I99)
DefinitionAtherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot is a billable ICD-10-CM diagnosis code (I70.335).Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of foot is a billable ICD-10-CM diagnosis code (I70.345).
Includes
any condition classifiable to I70.311 and I70.321
chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the right leg with ulceration
critical limb ischemia of unspecified type of bypass graft(s) of the right leg with ulceration
arteriolosclerosis
any condition classifiable to I70.312 and I70.322
chronic limb-threatening ischemia of unspecified type of bypass graft(s) of the left leg with ulceration
critical limb ischemia of unspecified type of bypass graft(s) of the left leg with ulceration
arteriolosclerosis
Use additional code
code to identify severity of ulcer (L97.-)
code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
code to identify:
code to identify severity of ulcer (L97.-)
code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
code to identify:
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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