I25.1
Non-Billable

Atherosclerotic heart disease of native coronary artery

Non-Billable / Non-Specific Code

What is Atherosclerotic heart disease of native coronary artery?

ICD-10-CM I25.1 is the diagnosis code for Atherosclerotic heart disease of native coronary artery. This code falls under the section "Ischemic heart diseases" 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.

💡 Inclusions
â„šī¸ Excludes2

Coding Guidelines for I25.1

✅ This Code Includes

  • Atherosclerotic cardiovascular disease
  • Coronary (artery) atheroma
  • Coronary (artery) atherosclerosis
  • Coronary (artery) disease
  • Coronary (artery) sclerosis

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in I25.1. If the patient has both, code each condition separately:

  • atheroembolism (I75.-)
  • atherosclerosis of coronary artery bypass graft(s) and transplanted heart (I25.7-)

ICD-10-CM Code Hierarchy

Understanding where I25.1 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeI25.1 — Atherosclerotic heart disease of native coronary artery
Sub-Codes (2)
Sub-Codes 2 entries
I25.10Atherosclerotic heart disease of native coronary artery without angina pectorisBillableI25.11Atherosclerotic heart disease of native coronary artery with angina pectorisNon-BillableI25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectorisBillableI25.111Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasmBillableI25.112Atherosclerotic heart disease of native coronary artery with refractory angina pectorisBillableI25.118Atherosclerotic heart disease of native coronary artery with other forms of angina pectorisBillableI25.119Atherosclerotic heart disease of native coronary artery with unspecified angina pectorisBillable
Related Codes

Frequently Asked Questions

Is I25.1 a billable ICD-10-CM code?

No, I25.1 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I25.1 mean?

I25.1 is the ICD-10-CM diagnosis code for "Atherosclerotic heart disease of native coronary artery". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of I25.1?

The parent code of I25.1 is I25 ("Chronic ischemic heart disease"). I25.1 provides a more specific classification within this category.

What section is I25.1 in?

I25.1 is located in Section I20-I25 — "Ischemic heart diseases" within Chapter 9 of the ICD-10-CM Tabular List.

What are the sub-codes of I25.1?

I25.1 has 2 sub-code(s) that provide more specific detail: I25.10, I25.11.

When should I use I25.1?

Use I25.1 when the patients documented diagnosis matches "Atherosclerotic heart disease of native coronary artery" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Atherosclerotic heart disease of native coronary artery?

The ICD-10-CM code for Atherosclerotic heart disease of native coronary artery is I25.1.

Can I25.1 be used for primary diagnosis?

No, I25.1 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I25.1 in?

I25.1 is in Chapter 9 of the ICD-10-CM Tabular List.

Is I25.1 valid for 2026?

Yes, I25.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI25Chronic ischemic heart diseaseNext →I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris
Code Details
I25.1
Atherosclerotic heart disease of native coronary artery
Non-Billable / Non-Specific Code
9 — Diseases of the circulatory system (I00-I99)
I20-I25 — Ischemic heart diseases
2026 ICD-10-CM