Q20.0
Billable

Common arterial trunk

Billable / Specific Code

What is Common arterial trunk?

ICD-10-CM Q20.0 is the diagnosis code for Common arterial trunk. 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 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.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for Q20.0

✅ This Code Includes

  • Persistent truncus arteriosus

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Q20.0. They are mutually exclusive:

  • aortic septal defect (Q21.4)

ICD-10-CM Code Hierarchy

Understanding where Q20.0 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is Q20.0 a billable ICD-10-CM code?

Yes, Q20.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does Q20.0 mean?

Q20.0 is the ICD-10-CM diagnosis code for "Common arterial trunk". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of Q20.0?

The parent code of Q20.0 is Q20 ("Congenital malformations of cardiac chambers and connections"). Q20.0 provides a more specific classification within this category.

What section is Q20.0 in?

Q20.0 is located in Section Q20-Q28 — "Congenital malformations of the circulatory system" within Chapter 17 of the ICD-10-CM Tabular List.

When should I use Q20.0?

Use Q20.0 when the patients documented diagnosis matches "Common arterial trunk" 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 Common arterial trunk?

The ICD-10-CM code for Common arterial trunk is Q20.0.

Can Q20.0 be used for primary diagnosis?

Yes, Q20.0 can be used as a primary diagnosis code since it is billable and specific.

What chapter is Q20.0 in?

Q20.0 is in Chapter 17 of the ICD-10-CM Tabular List.

What conditions are excluded from Q20.0?

Type 1 Excludes for Q20.0 include: aortic septal defect (Q21.4).

Is Q20.0 valid for 2026?

Yes, Q20.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ20Congenital malformations of cardiac chambers and connectionsNext →Q20.1Double outlet right ventricle
Code Details
Q20.0
Common arterial trunk
Billable / Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q20-Q28 — Congenital malformations of the circulatory system
2026 ICD-10-CM