Billable / Specific Code
ICD-10-CM I25.110 is the diagnosis code for Atherosclerotic heart disease of native coronary artery with unstable angina pectoris. This code falls under the section "Ischemic heart diseases" 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.
The following conditions should never be coded at the same time as I25.110. They are mutually exclusive:
Understanding where I25.110 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I25.110 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I25.110 is the ICD-10-CM diagnosis code for "Atherosclerotic heart disease of native coronary artery with unstable angina pectoris". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I25.110 is I25.11 ("Atherosclerotic heart disease of native coronary artery with angina pectoris"). I25.110 provides a more specific classification within this category.
I25.110 is located in Section I20-I25 — "Ischemic heart diseases" within Chapter 9 of the ICD-10-CM Tabular List.
Use I25.110 when the patients documented diagnosis matches "Atherosclerotic heart disease of native coronary artery with unstable angina pectoris" 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 Atherosclerotic heart disease of native coronary artery with unstable angina pectoris is I25.110.
Yes, I25.110 can be used as a primary diagnosis code since it is billable and specific.
I25.110 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I25.110 include: unstable angina without atherosclerotic heart disease (I20.0).
Yes, I25.110 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.