Q28.9
Congenital malformation of circulatory system, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 7 never code together
Q28code
Excludes1
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes
No further instructional notes apply.
Index entries leading here 8
- Agenesis
- circulatory system, part NOS Q28.9
- Anomaly, anomalous (congenital) (unspecified type) Q89.9
- circulatory system Q28.9
- Disease, diseased — see also Syndrome
- Deformity Q89.9
- cardiovascular system, congenital Q28.9
- Defect, defective Q89.9
- Embryonic
- Circulation
- Malformation (congenital) — see also Anomaly
- circulatory system Q28.9
Alongside this code 5 same parent — Q28
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.