Q28 ICD-10-CM Code: Other congenital malformations of circulatory system
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
Q28Other congenital malformations of circulatory system
ICD-10-CM diagnosis code · United States clinical modification
Where Q28 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Congenital malformations of the circulatory system (Q20-Q28)
- 3
Category Q28
Other congenital malformations of circulatory system
- 4
Code Q28
Other congenital malformations of circulatory system
Codes under Q28
Q28 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Q28.0Arteriovenous malformation of precerebral vesselsQ28.1Other malformations of precerebral vesselsQ28.2Arteriovenous malformation of cerebral vesselsQ28.3Other malformations of cerebral vesselsQ28.8Other specified congenital malformations of circulatory systemQ28.9Congenital malformation of circulatory system, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for Q28.
Code first
No “code first” instruction is listed for Q28.
Use additional code
No “use additional code” instruction is listed for Q28.
Excludes1
Conditions that should not be reported together with this code.
- congenital aneurysm NOS (Q27.8)
- congenital coronary aneurysm (Q24.5)
- ruptured cerebral arteriovenous malformation (I60.8)
- ruptured malformation of precerebral vessels (I72.0)
Excludes2
Conditions not included here that may be reported separately when present.
- congenital peripheral aneurysm (Q27.8)
- congenital pulmonary aneurysm (Q25.79)
- congenital retinal aneurysm (Q14.1)
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code Q28 mean?
Q28 is the FY 2027 U.S. ICD-10-CM code for “Other congenital malformations of circulatory system.”
Is Q28 a billable or specific ICD-10-CM code?
No. Q28 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is Q28 located in ICD-10-CM?
Q28 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations of the circulatory system (Q20-Q28) (Q20–Q28), under category Q28, Other congenital malformations of circulatory system.
What coding notes are listed for Q28?
No inclusion terms are listed for Q28 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital aneurysm NOS (Q27.8); congenital coronary aneurysm (Q24.5); ruptured cerebral arteriovenous malformation (I60.8); ruptured malformation of precerebral vessels (I72.0). Excludes2 notes: congenital peripheral aneurysm (Q27.8); congenital pulmonary aneurysm (Q25.79); congenital retinal aneurysm (Q14.1).