Q18.0
BillableSinus, fistula and cyst of branchial cleft
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A birth defect involving abnormal passages, openings, or fluid-filled sacs that develop from remnants of the branchial cleft structures in the neck.
Coding Tips
- •Branchial cleft anomalies are classified by which of the four branchial clefts is involved; document this if specified
- •These may present with drainage, infection, or mass; code any complications separately
Code Hierarchy
└Q18Other congenital malformations of face and neck└Q18.0Sinus, fistula and cyst of branchial cleft
└Q18.0Sinus, fistula and cyst of branchial cleft