I70.421 – Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg
ICD-10-CM 2027 diagnosis code · Diseases of arteries, arterioles and capillaries
- Code
I70.421(claims format:I70421)- Description
- Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg
- Short description
- Athscl autol vein bypass of the extrm w rest pain, right leg
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I70-I79 Diseases of arteries, arterioles and capillaries
- Parent codes
- I70 › I70.4 › I70.42
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I70 – Atherosclerosis
- arteriolosclerosis
- arterial degeneration
- arteriosclerosis
- arteriosclerotic vascular disease
- arteriovascular degeneration
- atheroma
- endarteritis deformans or obliterans
- senile arteritis
- senile endarteritis
- vascular degeneration
I70.4 – Atherosclerosis of autologous vein bypass graft(s) of the extremities
- code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
I70.42 – Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain
- any condition classifiable to I70.41-
- chronic limb-threatening ischemia NOS of autologous vein bypass graft(s) of the extremities
- chronic limb-threatening ischemia of autologous vein bypass graft(s) of the extremities with rest pain
- critical limb ischemia NOS of autologous vein bypass graft(s) of the extremities
- critical limb ischemia of autologous vein bypass graft(s) of the extremities with rest pain
Index terms for I70.421
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Arteriosclerosis, arteriosclerotic, with, critical limb ischemia, bypass graft, autologous vein graft, leg, right
- Arteriosclerosis, arteriosclerotic, extremities, bypass graft, autologous vein graft, leg, right, with, rest pain
- Arteriosclerosis, arteriosclerotic, with, critical limb ischemia, bypass graft, autologous vein graft, leg, right, with, rest pain
Related codes in I70.42
- I70.422 – Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, left legBillable
- I70.423 – Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, bilateral legsBillable
- I70.428 – Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, other extremityBillable
- I70.429 – Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, unspecified extremityBillable
Frequently asked questions
What is ICD-10 code I70.421?
I70.421 is the ICD-10-CM code for atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg, in the block I70-I79 (Diseases of arteries, arterioles and capillaries).
Is I70.421 a billable code?
Yes. I70.421 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I70.421 belong to?
It belongs to category I70 – Atherosclerosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.