- Q18.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM Q18.0 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q18.0 – other international versions of ICD-10 Q18.0 may differ.
ICD-10-CM Q18.0 is grouped within Diagnostic Related Group(s):
- 154 Other ear, nose, mouth and throat diagnoses with mcc
- 155 Other ear, nose, mouth and throat diagnoses with cc
- 156 Other ear, nose, mouth and throat diagnoses without cc/mcc
Applicable To
- Branchial vestige
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q18.0:
- cyst > branchial (persistent) Q18.2
- fistula > cyst Q18.0
- sinus > cyst Q18.0
- branchial (cleft) > Cyst (colloid) (mucous) (simple) (retention)
- branchiogenic > Cyst (colloid) (mucous) (simple) (retention)
- cervical lateral > Cyst (colloid) (mucous) (simple) (retention)
- branchial (cleft) > Fistula (cutaneous) L98.8
- branchiogenous > Fistula (cutaneous) L98.8
- branchial cleft (congenital) > pharynx J39.2
- cyst > branchial cleft NOS Q18.2
- fistula > branchial cleft NOS Q18.2
- sinus > branchial cleft NOS Q18.2
- branchial cyst > Infection, infected, infective (opportunistic) B99.9
- cyst > branchial cleft NOS Q18.2
- fistula > branchial cleft NOS Q18.2
- sinus > branchial cleft NOS Q18.2
- branchial cleft (internal) (external) > Sinus
- branchial > Vestige, vestigial