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3. Chapter - Q00-Q99
4. Section - Q20-Q28
5. Category - Q28
6. Q28.9

Q28.9 - Congenital malformation of circulatory system, unspecified

• Applicable to Congenital malformation of circulatory system, unspecified
• The 2025 edition of ICD10-CM Q28.9 became effective on October 1, 2024.
• This is the American ICD10-CM version of Q28.9 - other international versions of ICD10 Q28.9 may differ.
• Q28.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above Q28.9 contain annotation back-references that may be applicable to Q28.9:

• Chapter: Q00-Q99 - Congenital malformations, deformations and chromosomal abnormalities
• Section: Q20-Q28 - Congenital malformations of the circulatory system
• Category: Q28 - Other congenital malformations of circulatory system

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.