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Q28 Other congenital malformations of circulatory system

ICD-10-CM category Q28 sits in Chapter 17 (Congenital malformations, deformations and chromosomal abnormalities, Q00-Q99). It contains 6 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Billable codes in Q28

CodeDescription
Q28.0Arteriovenous malformation of precerebral vessels
Q28.1Other malformations of precerebral vessels
Q28.2Arteriovenous malformation of cerebral vessels
Q28.3Other malformations of cerebral vessels
Q28.8Other specified congenital malformations of circulatory system
Q28.9Congenital malformation of circulatory system, unspecified

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