- Q31.8 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 Q31.8 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q31.8 – other international versions of ICD-10 Q31.8 may differ.
ICD-10-CM Q31.8 is grouped within Diagnostic Related Group(s):
- 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
- 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
- 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
- 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
- Absence of larynx
- Agenesis of larynx
- Atresia of larynx
- Congenital cleft thyroid cartilage
- Congenital fissure of epiglottis
- Congenital stenosis of larynx NEC
- Posterior cleft of cricoid cartilage
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 Q31.8:
- cricoid cartilage, congenital > Absence (of) (organ or part) (complete or partial)
- epiglottis, congenital > Absence (of) (organ or part) (complete or partial)
- glottis, congenital > Absence (of) (organ or part) (complete or partial)
- larynx (congenital) > Absence (of) (organ or part) (complete or partial)
- cartilage, congenital > thyroid (gland) (acquired) E89.0
- vocal cords > Accessory (congenital)
- cricoid cartilage > Agenesis
- epiglottis > Agenesis
- glottis > Agenesis
- larynx > Agenesis
- cartilage > thyroid (gland) E03.1
- aryteno-epiglottic folds > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- cricoid cartilage > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- epiglottis > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- glottis > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- cartilage > thyroid (gland) Q89.2
- union > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- cricoid cartilage and thyroid cartilage > union Q31.8
- thyroid cartilage and hyoid bone > union Q31.8
- trachea with larynx > union Q31.8
- valleculae > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- cricoid cartilage > Atresia, atretic
- epiglottis > Atresia, atretic
- glottis > Atresia, atretic
- larynx > Atresia, atretic
- thyroid cartilage > Atresia, atretic
- cricoid cartilage, posterior > Cleft (congenital)
- thyroid cartilage > Cleft (congenital)
- congenital > larynx J38.6
- specified NEC > congenital Q31.8
- epiglottis > congenital NEC Q89.8
- larynx > congenital NEC Q89.8
- cricoid cartilage (congenital) > Deformity Q89.9
- epiglottis (congenital) > Deformity Q89.9
- larynx (muscle) (congenital) > Deformity Q89.9
- cartilage > thyroid (gland) (congenital) Q89.2
- petiolus (epiglottidis) > Elongated, elongation (congenital)
- epiglottis (congenital) > Fissure, fissured
- congenital > larynx J38.7
- cricoid cartilage > closure (congenital) Q45.8
- glottis > closure (congenital) Q45.8
- larynx > closure (congenital) Q45.8
- congenital > Laryngofissure J38.7
- epiglottis > congenital Q89.1
- glottis > congenital Q89.1
- larynx > congenital Q89.1
- cartilage > thyroid (gland) (tissue) Q89.2
- congenital > larynx NEC J38.6
- congenital NEC > larynx J38.6
- congenital NEC > larynx J38.6