ICD-10 Code I70.52 – Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I70.52 – Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest pain
What it is
This code identifies atherosclerotic narrowing or blockage in a nonautologous biological bypass graft in an extremity, with rest pain. It reflects chronic poor blood flow through the graft.
Clinical signs
Typical findings include ischemic pain in the affected limb at rest, often worse when the leg is elevated and relieved by dependency. Clinical features vary; refer to documentation.
When to use this code
Use this code when the provider documents atherosclerosis affecting a nonautologous biological bypass graft in an arm or leg and specifically notes rest pain. The graft must be biological and not the patient’s own vessel. Check documentation if the graft type or symptom is unclear.
Do not use for
Do not use it for native-vessel peripheral arterial disease, graft occlusion without atherosclerosis, or pain not documented as rest pain. Do not assume the graft material; verify the operative or vascular note.
Coding tip
Code the graft type and the presence of rest pain exactly as documented, because both details are required for accurate selection.