Q28.9 – Congenital malformation of circulatory system, unspecified
ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system
- Code
Q28.9(claims format:Q289)- Description
- Congenital malformation of circulatory system, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q20-Q28 Congenital malformations of the circulatory system
- Parent codes
- Q28
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q28 – Other congenital malformations of circulatory system
Index terms for Q28.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Embryonic, heart
- Circulation, embryonic
- Embryonic, circulation
- Circulation, heart, incomplete
- Malformation, circulatory system
- Circulation, defective, congenital
- Agenesis, circulatory system, part NOS
- Anomaly, anomalous, circulatory system
- Defect, defective, circulation, newborn
- Defect, defective, circulation, congenital
- Deformity, cardiovascular system, congenital
- Disease, diseased, cardiovascular, congenital
Related codes in Q28
- Q28.0 – Arteriovenous malformation of precerebral vesselsBillable
- Q28.1 – Other malformations of precerebral vesselsBillable
- Q28.2 – Arteriovenous malformation of cerebral vesselsBillable
- Q28.3 – Other malformations of cerebral vesselsBillable
- Q28.8 – Other specified congenital malformations of circulatory systemBillable
Frequently asked questions
What is ICD-10 code Q28.9?
Q28.9 is the ICD-10-CM code for congenital malformation of circulatory system, unspecified, in the block Q20-Q28 (Congenital malformations of the circulatory system).
Is Q28.9 a billable code?
Yes. Q28.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q28.9 belong to?
It belongs to category Q28 – Other congenital malformations of circulatory system.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.