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I70.332 vs I70.342

I70.332 (Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of calf) compared with I70.342 (Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf), from the official CMS tabular data. I70.332 and I70.342 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

I70.332
Right
Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of calf
↔
I70.342
Left
Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf

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. I70.332 and I70.342 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

I70.332Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of calfI70.342Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf
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 calf is a billable ICD-10-CM diagnosis code (I70.332).Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calf is a billable ICD-10-CM diagnosis code (I70.342).
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