Billable / Specific Code
ICD-10-CM I70.631 is the diagnosis code for Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh. 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where I70.631 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I70.631 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I70.631 is the ICD-10-CM diagnosis code for "Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I70.631 is I70.63 ("Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration"). I70.631 provides a more specific classification within this category.
I70.631 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.
I70.631 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use I70.631 when the patients documented diagnosis matches "Atherosclerosis of nonbiological bypass graft(s) of the right leg with ulceration of thigh" 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 right leg with ulceration of thigh is I70.631.
Yes, I70.631 can be used as a primary diagnosis code since it is billable and specific.
I70.631 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I70.631 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.