I70.792

Billable

Other atherosclerosis of other type of bypass graft(s) of the extremities, left leg

HCC Category Mapping

V24HCC 108 — Vascular Disease

0.297

ESRDHCC 108 — Vascular Disease

0.000

What This Code Means

This code describes a buildup of plaque in a surgical bypass graft that was placed in the left leg to improve blood flow around a blocked artery. The blockage is not in the original artery but in the transplanted vessel used to reroute blood around the obstruction.

Coding Tips

•Verify the documentation specifies 'left leg' and confirms the atherosclerosis is in the bypass graft itself, not the native vessel
•Ensure the bypass graft type is documented; if specified (e.g., vein, synthetic), use more specific codes (I70.791-I70.799) rather than the unspecified 'other type' code when possible

Clinical Significance

Other atherosclerosis of other type bypass graft of the extremities (left leg) captures peripheral arterial disease manifestations in bypass grafts that do not fit the specific categories of claudication, rest pain, ulceration, or gangrene. This may include findings such as bypass graft stenosis, diminished pulses through the graft, or other documented atherosclerotic changes not yet causing limb-threatening ischemia. While less severe than rest pain or tissue loss, this still represents significant vascular disease requiring ongoing surveillance and management.

Documentation Requirements

✓Documented atherosclerotic disease of other type bypass graft(s) with manifestation other than claudication, rest pain, ulceration, or gangrene
✓Laterality documented: left leg
✓Type of bypass graft specified (synthetic, composite, or other non-vein/non-biological type)
✓Specific findings described (graft stenosis, abnormal vascular studies, diminished graft flow)
✓Current management plan (surveillance imaging, antiplatelet therapy, consideration for revision)

Commonly Confused Codes

I70.691/I70.692/I70.699 — Other atherosclerosis of nonautologous biological bypass graft (different graft type)I70.591/I70.592/I70.599 — Other atherosclerosis of autologous vein bypass graft (different graft type)I70.291/I70.292/I70.299 — Other atherosclerosis of native arteries of extremities (native artery, not bypass graft)I70.721/I70.722/I70.729 — Atherosclerosis of other type bypass graft with rest pain (if rest pain is documented, use the more specific rest pain code)I70.731-I70.749 — Use ulceration codes if ulceration is present instead of this 'other' category

Code Hierarchy

└I70Atherosclerosis └I70.7Atherosclerosis of other type of bypass graft(s) of the extremities └I70.79Other atherosclerosis of other type of bypass graft(s) of the extremities └I70.792Other atherosclerosis of other type of bypass graft(s) of the extremities, left leg

└I70.792Other atherosclerosis of other type of bypass graft(s) of the extremities, left leg