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

Yes. Q20.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Q20.0 sit in the tabular list?

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the circulatory system (Q20-Q28).

What cannot be coded together with Q20.0?

Q20.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Q20.0

Q20.0 — Common arterial trunk

Billable / specific codeICD-10-CMPOA exempt

Q20.0 is a billable, specific ICD-10-CM code for common arterial trunk. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

aortic septal defect (Q21.4)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Persistent truncus arteriosus

Risk adjustment

Q20.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Q20.0 is named in 20 Medicare coverage policies — 20 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A52868Billing and Coding: Transesophageal Echocardiography (TEE)
A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
A56476Billing and Coding: Cardiac Radionuclide Imaging

How Q20.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q20.0.

Common›arterial trunk
Common›truncus(arteriosus)
Persistence, persistent›truncus arteriosus or communis
Truncus›arteriosus(persistent)
Truncus›communis
Malposition›congenital›arterial trunk

Related codes at this level

Codes that share Q20. If Q20.0 is not quite right, the correct code is usually one of these.

Questions about Q20.0

Is Q20.0 a billable ICD-10-CM code?: Yes. Q20.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q20.0 sit in the tabular list?: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the circulatory system (Q20-Q28).
What cannot be coded together with Q20.0?: Q20.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.