ICD-10-CM Diagnosis Code (2025)
Official Description for Q18.0
Sinus, fistula and cyst of branchial cleft
Coding Notes & Guidelines for Q18.0
Inclusion Terms
Branchial vestige
Parent Code (Less Specific):
About ICD-10-CM Code Q18.0 (Sinus)
ICD-10-CM code Q18.0 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q18.0 became effective on October 1, 2024.
This page provides detailed information about Q18.0 - Sinus, fistula and cyst of branchial cleft. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Sinus related to fistula and cyst of branchial cleft.