Is Q28.9 a billable ICD-10 code?

Yes. Q28.9 (Congenital malformation of circulatory system, unspecified) is billable and can be used for insurance claims. Always verify payer-specific requirements.

Q28.9 ✓ Billable

Congenital malformation of circulatory system, unspecified

Q: What is ICD-10 code Q28.9?

ICD-10-CM code Q28.9 stands for "Congenital malformation of circulatory system, unspecified". It is a billable code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities

Code

Q28.9

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Congenital Malformations, Deformations and Chromosomal Abnormalities

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code Q28.9?

ICD-10-CM code Q28.9 represents Congenital malformation of circulatory system, unspecified. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.

Is Q28.9 billable?

Yes. Q28.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is Q28.9 in?

Q28.9 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.

Related codes in the Q28 category

Q28 Other congenital malformations of circulatory system Non-billable Q28.0 Arteriovenous malformation of precerebral vessels Billable Q28.1 Other malformations of precerebral vessels Billable Q28.2 Arteriovenous malformation of cerebral vessels Billable Q28.3 Other malformations of cerebral vessels Billable Q28.8 Other specified congenital malformations of circulatory system Billable

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