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Q18.0 - Sinus, fistula and cyst of branchial cleft


The ICD 10 Code for Sinus, fistula and cyst of branchial cleft is listed as Q18.0.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Q18.0
Description: Sinus, fistula and cyst of branchial cleft
  • Branchial vestige
Diagnostic Related Groups
(MS-DRG v30.0)
154 - Other Ear, Nose, Mouth & Throat Diagnoses W Mcc
155 - Other Ear, Nose, Mouth & Throat Diagnoses W Cc
156 - Other Ear, Nose, Mouth & Throat Diagnoses W/o Cc/mcc
Chapter Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Block Congenital malformations of eye, ear, face and neck (Q10-Q18)
Parent Q18 - Other congenital malformations of face and neck
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 744.41 - Branchial cleft sinus or fistula (approximate)
ICD 9 Dx Code: 744.42 - Branchial cleft cyst (approximate)
ICD-10-CM Siblings (same level / similar specificity) of Q18.0:
Q18.1 - Preauricular sinus and cyst
Q18.2 - Other branchial cleft malformations
Q18.3 - Webbing of neck
Q18.4 - Macrostomia
Q18.5 - Microstomia
Q18.6 - Macrocheilia
Q18.7 - Microcheilia
Q18.8 - Other specified congenital malformations of face and neck
Q18.9 - Congenital malformation of face and neck, unspecified