Q31.8
Billable codeOther congenital malformations of larynx
The ICD-10 code for other congenital malformations of larynx is Q31.8.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- 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
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q31.0Web of larynx
- Q31.1Congenital subglottic stenosis
- Q31.2Laryngeal hypoplasia
- Q31.3Laryngocele
- Q31.5Congenital laryngomalacia
- Q31.9Congenital malformation of larynx, unspecified
- Q31.8Other congenital malformations of larynx
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7483Approximate match
Associated MS-DRGs
Q31.8 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 154Other Ear, Nose, Mouth and Throat Diagnoses with MCC
- DRG 155Other Ear, Nose, Mouth and Throat Diagnoses with CC
- DRG 156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC