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I70.56

Non-billable

Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene

I70.56 is the ICD-10-CM code for Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene. It is a non-billable category code — use a more specific child code such as I70.561 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I70.5
Subcodes
5
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • •any condition classifiable to I70.51-, I70.52-, and I70.53-, I70.54-, I70.55
  • •chronic limb-threatening ischemia of nonautologous biological bypass graft(s) of the extremities with gangrene
  • •critical limb ischemia of nonautologous biological bypass graft(s) of the extremities with gangrene

Use additional code

  • •code to identify the severity of any ulcer (L97.-, L98.49-), if applicable

Frequently asked questions

What is ICD-10 code I70.56?
I70.56 is the ICD-10-CM code for "Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene". It falls under I00-I99 Diseases of the circulatory system.
Is I70.56 a billable code?
No — I70.56 is a non-billable header code. Use a more specific child code (such as I70.561) for billing.
What are the subcodes of I70.56?
I70.56 has 5 more specific child codes, including I70.561, I70.562, I70.563.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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