Q20.0 Common arterial trunk

BillableNo payment HCCChapter 17

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Instructional notes

Chapter 17

Excludes2Not included here: the patient may have both; report both when both are present.

inborn errors of metabolism (E70-E88)

Notes

Codes from this chapter are not for use on maternal records

Q20

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

dextrocardia with situs inversus (Q89.3)
mirror-image atrial arrangement with situs inversus (Q89.3)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

aortic septal defect (Q21.4)

Inclusion terms

Persistent truncus arteriosus

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) · Q20-Q28 Congenital malformations of the circulatory system (Q20-Q28)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.