Non-Billable / Non-Specific Code
ICD-10-CM I70.3 is the diagnosis code for Atherosclerosis of unspecified type of bypass graft(s) of the extremities. This code falls under the section "Diseases of arteries, arterioles and capillaries" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as I70.3. They are mutually exclusive:
Understanding where I70.3 sits in the ICD-10-CM classification helps ensure proper coding:
No, I70.3 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I70.3 is the ICD-10-CM diagnosis code for "Atherosclerosis of unspecified type of bypass graft(s) of the extremities". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I70.3 is I70 ("Atherosclerosis"). I70.3 provides a more specific classification within this category.
I70.3 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.
I70.3 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use I70.3 when the patients documented diagnosis matches "Atherosclerosis of unspecified type of bypass graft(s) of the extremities" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Atherosclerosis of unspecified type of bypass graft(s) of the extremities is I70.3.
No, I70.3 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I70.3 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I70.3 include: embolism or thrombus of bypass graft(s) of extremities (T82.8-).
Yes, I70.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.