Billable / Specific Code
ICD-10-CM I70.645 is the diagnosis code for Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of foot. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where I70.645 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I70.645 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I70.645 is the ICD-10-CM diagnosis code for "Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of foot". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I70.645 is I70.64 ("Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration"). I70.645 provides a more specific classification within this category.
I70.645 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.
Use I70.645 when the patients documented diagnosis matches "Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of other part of foot" 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 nonbiological bypass graft(s) of the left leg with ulceration of other part of foot is I70.645.
Yes, I70.645 can be used as a primary diagnosis code since it is billable and specific.
I70.645 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I70.645 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.