I70.56Header code — not billable
Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene
Short description: Athscl nonaut bio bypass of the extremities w gangrene
- Chapter
- 9. Diseases of the circulatory system
- Category
- I70
- Effective date
- October 1, 2026
Related codes in category I70
I70AtherosclerosisI70.0Atherosclerosis of aortaYesI70.1Atherosclerosis of renal arteryYesI70.2Atherosclerosis of native arteries of the extremitiesI70.20Unsp atherosclerosis of native arteries of extremitiesI70.201Unsp athscl native arteries of extremities, right legYesI70.202Unsp athscl native arteries of extremities, left legYesI70.203Unsp athscl native arteries of extremities, bilateral legsYesI70.208Unsp athscl native arteries of extremities, oth extremityYesI70.209Unsp athscl native arteries of extremities, unsp extremityYesI70.21Athscl native arteries of extremities w intermittent claudI70.211Athscl native arteries of extrm w intrmt claud, right legYes
Frequently asked questions
What is ICD-10 code I70.56?
I70.56 is an ICD-10-CM diagnosis code for Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangrene.
Is I70.56 a billable code?
No. I70.56 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is I70.56 in?
I70.56 falls under Chapter 9: Diseases of the circulatory system.
When did I70.56 become effective?
I70.56 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I70.56?
I70.56 belongs to category I70, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.