Q24
Non-Billable

Other congenital malformations of heart

Non-Billable / Non-Specific Code

What is Other congenital malformations of heart?

ICD-10-CM Q24 is the diagnosis code for Other congenital malformations of heart. This code falls under the section "Congenital malformations of the circulatory system" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). 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.

⛔ Excludes1

Coding Guidelines for Q24

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Q24. They are mutually exclusive:

  • endocardial fibroelastosis (I42.4)

ICD-10-CM Code Hierarchy

Understanding where Q24 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 9 entries
Q24.0DextrocardiaBillableQ24.1LevocardiaBillableQ24.2Cor triatriatumBillableQ24.3Pulmonary infundibular stenosisBillableQ24.4Congenital subaortic stenosisBillableQ24.5Malformation of coronary vesselsBillableQ24.6Congenital heart blockBillableQ24.8Other specified congenital malformations of heartBillableQ24.9Congenital malformation of heart, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is Q24 a billable ICD-10-CM code?

No, Q24 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does Q24 mean?

Q24 is the ICD-10-CM diagnosis code for "Other congenital malformations of heart". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is Q24 in?

Q24 is located in Section Q20-Q28 — "Congenital malformations of the circulatory system" within Chapter 17 of the ICD-10-CM Tabular List.

What are the sub-codes of Q24?

Q24 has 9 sub-code(s) that provide more specific detail: Q24.0, Q24.1, Q24.2, Q24.3, Q24.4 and more.

When should I use Q24?

Use Q24 when the patients documented diagnosis matches "Other congenital malformations of heart" 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 Other congenital malformations of heart?

The ICD-10-CM code for Other congenital malformations of heart is Q24.

Can Q24 be used for primary diagnosis?

No, Q24 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is Q24 in?

Q24 is in Chapter 17 of the ICD-10-CM Tabular List.

What conditions are excluded from Q24?

Type 1 Excludes for Q24 include: endocardial fibroelastosis (I42.4).

Is Q24 valid for 2026?

Yes, Q24 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ23.9Congenital malformation of aortic and mitral valves, unspecifiedNext →Q24.0Dextrocardia
Code Details
Q24
Other congenital malformations of heart
Non-Billable / Non-Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q20-Q28 — Congenital malformations of the circulatory system
2026 ICD-10-CM