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ICD-10-CM Diagnosis Code Q18.0

Effective Date: 10/01/2015 To 09/30/2025

Sinus, fistula and cyst of branchial cleft

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- -- -- -- Acute No
Applicable To for Q18.0:
  • Branchial vestige

Back-references to Q18.0
  • Branchiogenic remnant(in neck) Q18.0
  • Cleft(congenital) see also Imperfect, closure
    • branchial(persistent) Q18.2
      • cyst Q18.0
        • fistula Q18.0
          • sinus Q18.0
      • Cyst(colloid) (mucous) (simple) (retention)
        • branchial(cleft) Q18.0
          • branchiogenic Q18.0
            • cervical lateral Q18.0
            • Fistula(cutaneous) L98.8
              • branchial(cleft) Q18.0
                • branchiogenous Q18.0
                  • pharynx J39.2
                    • branchial cleft(congenital) Q18.0
                  • Imperfect
                    • closure(congenital)
                      • branchial cleft NOS Q18.2
                        • cyst Q18.0
                          • fistula Q18.0
                            • sinus Q18.0
                        • Infection, infected, infective(opportunistic) B99.9
                          • branchial cyst Q18.0
                          • Persistence, persistent(congenital)
                            • branchial cleft NOS Q18.2
                              • cyst Q18.0
                                • fistula Q18.0
                                  • sinus Q18.0
                                • Sinus see also Fistula
                                  • branchial cleft(internal) (external) Q18.0
                                  • Vestige, vestigial see also Persistence
                                    • branchial Q18.0
                                    • Chapter, Section and Diagnosis Prefix for Q18.0
                                        Q00-Q99 :

                                        Congenital malformations, deformations and chromosomal abnormalities

                                        Q10-Q18 :

                                        Congenital malformations of eye, ear, face and neck

                                        Q18 :

                                        Other congenital malformations of face and neck