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I70.621 vs I70.622

I70.621 (Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right leg) compared with I70.622 (Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg), from the official CMS tabular data. I70.621 and I70.622 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

I70.621
Right
Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right leg
↔
I70.622
Left
Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg

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. I70.621 and I70.622 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

I70.621Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right legI70.622Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg
Billing statusBillableBillable
ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)I00-I99 — Diseases of the Circulatory System (I00-I99)
DefinitionAtherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, right leg is a billable ICD-10-CM diagnosis code (I70.621).Atherosclerosis of nonbiological bypass graft(s) of the extremities with rest pain, left leg is a billable ICD-10-CM diagnosis code (I70.622).
Includes
any condition classifiable to I70.61-
chronic limb-threatening ischemia NOS of nonbiological bypass graft(s) of the extremities
chronic limb-threatening ischemia of nonbiological bypass graft(s) of the extremities with rest pain
critical limb ischemia NOS of nonbiological bypass graft(s) of the extremities
any condition classifiable to I70.61-
chronic limb-threatening ischemia NOS of nonbiological bypass graft(s) of the extremities
chronic limb-threatening ischemia of nonbiological bypass graft(s) of the extremities with rest pain
critical limb ischemia NOS of nonbiological bypass graft(s) of the extremities
Use additional code
code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
code to identify:
exposure to environmental tobacco smoke (Z77.22)
code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
code to identify:
exposure to environmental tobacco smoke (Z77.22)
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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