Is Q86 a billable code?
No. Q86 is a header code that groups 4 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Q86: Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Q86 groups related diagnoses under congenital malformation syndromes due to known exogenous causes, not elsewhere classified. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Q86 questions
What does Q86 mean?
Q86 is the ICD-10-CM code for Congenital malformation syndromes due to known exogenous causes, not elsewhere classified. It is in chapter 17, Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.