2021 ICD-10-CM Code I70.4

Atherosclerosis of autologous vein bypass graft(s) of the extremities

Version 2021
Non-Billable Code

Not Valid for Submission

I70.4 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of atherosclerosis of autologous vein bypass graft(s) of the extremities. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:I70.4
Short Description:Athscl autologous vein bypass graft(s) of the extremities
Long Description:Atherosclerosis of autologous vein bypass graft(s) of the extremities

Code Classification

Specific Coding for Athscl autologous vein bypass graft(s) of the extremities

Header codes like I70.4 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for athscl autologous vein bypass graft(s) of the extremities:

  • I70.40 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities
  • I70.401 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg
  • I70.402 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg
  • I70.403 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs
  • I70.408 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity
  • I70.409 - Unspecified atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity
  • I70.41 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication
  • I70.411 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, right leg
  • I70.412 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, left leg
  • I70.413 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, bilateral legs
  • I70.418 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, other extremity
  • I70.419 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, unspecified extremity
  • I70.42 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain
  • I70.421 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, right leg
  • I70.422 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, left leg
  • I70.423 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, bilateral legs
  • I70.428 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, other extremity
  • I70.429 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with rest pain, unspecified extremity
  • I70.43 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration
  • I70.431 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of thigh
  • I70.432 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of calf
  • I70.433 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of ankle
  • I70.434 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of heel and midfoot
  • I70.435 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of foot
  • I70.438 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of other part of lower leg
  • I70.439 - Atherosclerosis of autologous vein bypass graft(s) of the right leg with ulceration of unspecified site
  • I70.44 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration
  • I70.441 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of thigh
  • I70.442 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of calf
  • I70.443 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of ankle
  • I70.444 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of heel and midfoot
  • I70.445 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of foot
  • I70.448 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of other part of lower leg
  • I70.449 - Atherosclerosis of autologous vein bypass graft(s) of the left leg with ulceration of unspecified site
  • I70.45 - Atherosclerosis of autologous vein bypass graft(s) of other extremity with ulceration
  • I70.46 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene
  • I70.461 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, right leg
  • I70.462 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, left leg
  • I70.463 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, bilateral legs
  • I70.468 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, other extremity
  • I70.469 - Atherosclerosis of autologous vein bypass graft(s) of the extremities with gangrene, unspecified extremity
  • I70.49 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities
  • I70.491 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, right leg
  • I70.492 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, left leg
  • I70.493 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, bilateral legs
  • I70.498 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, other extremity
  • I70.499 - Other atherosclerosis of autologous vein bypass graft(s) of the extremities, unspecified extremity

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code I70.4:


Use Additional Code

Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

Information for Patients


Atherosclerosis

Also called: Arteriosclerosis

Atherosclerosis is a disease in which plaque builds up inside your arteries. Plaque is a sticky substance made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. That limits the flow of oxygen-rich blood to your body.

Atherosclerosis can lead to serious problems, including

Atherosclerosis usually doesn't cause symptoms until it severely narrows or totally blocks an artery. Many people don't know they have it until they have a medical emergency.

A physical exam, imaging, and other diagnostic tests can tell if you have it. Medicines can slow the progress of plaque buildup. Your doctor may also recommend procedures such as angioplasty to open the arteries, or surgery on the coronary or carotid arteries. Lifestyle changes can also help. These include following a healthy diet, getting regular exercise, maintaining a healthy weight, quitting smoking, and managing stress.

NIH: National Heart, Lung, and Blood Institute


[Learn More in MedlinePlus]

Peripheral Arterial Disease

Also called: PAD

Peripheral arterial disease (PAD) happens when there is a narrowing of the blood vessels outside of your heart. The cause of PAD is atherosclerosis. This happens when plaque builds up on the walls of the arteries that supply blood to the arms and legs. Plaque is a substance made up of fat and cholesterol. It causes the arteries to narrow or become blocked. This can reduce or stop blood flow, usually to the legs. If severe enough, blocked blood flow can cause tissue death and can sometimes lead to amputation of the foot or leg.

The main risk factor for PAD is smoking. Other risk factors include older age and diseases like diabetes, high blood cholesterol, high blood pressure, heart disease, and stroke.

Many people who have PAD don't have any symptoms. If you have symptoms, they may include

PAD can increase your risk of heart attack, stroke, and transient ischemic attack.

Doctors diagnose PAD with a physical exam and heart and imaging tests. Treatments include lifestyle changes, medicines, and sometimes surgery. Lifestyle changes include dietary changes, exercise, and efforts to lower high cholesterol levels and high blood pressure.

NIH: National Heart, Lung, and Blood Institute


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)