Non-Billable / Non-Specific Code
ICD-10-CM I70.9 is the diagnosis code for Other and unspecified atherosclerosis. This code falls under the section "Diseases of arteries, arterioles and capillaries" within Chapter 9 â 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 are not included in I70.9. If the patient has both, code each condition separately:
Understanding where I70.9 sits in the ICD-10-CM classification helps ensure proper coding:
No, I70.9 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I70.9 is the ICD-10-CM diagnosis code for "Other and unspecified atherosclerosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I70.9 is I70 ("Atherosclerosis"). I70.9 provides a more specific classification within this category.
I70.9 is located in Section I70-I79 â "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.
I70.9 has 3 sub-code(s) that provide more specific detail: I70.90, I70.91, I70.92.
Use I70.9 when the patients documented diagnosis matches "Other and unspecified atherosclerosis" 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 Other and unspecified atherosclerosis is I70.9.
No, I70.9 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I70.9 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I70.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.