AutoICD API

Q31.8

Billable

Other congenital malformations of larynx

Other congenital malformations of larynx

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • 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

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(6)
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(231)

SNOMED CT

Clinical Terms

  • Laryngo-tracheo-esophageal cleft type 1
  • Laryngeal Agenesis
  • Congenital absence of larynx
  • Congenital anomaly of cricoid cartilage
  • Laryngeal cleft type II
  • Congenital laryngeal stenosis
  • Bronchostenosis
  • Agenesis of larynx
  • Stenosis of trachea
  • Supraglottic stenosis
  • Anomaly of thyroid cartilage
  • Congenital atresia of epiglottis
  • Stenosis of bronchus
  • Anomaly of laryngeal and tracheal cartilage
  • Congenital cleft thyroid cartilage (disorder)
  • Congenital fissure of larynx
  • Congenital anomaly of epiglottis
  • Neonatal cyst of aryepiglottic fold
  • Congenital cleft of posterior cricoid cartilage (disorder)
  • Congenital bronchial stenosis
  • Congenital anomaly of trachea and bronchus
  • Laryngotracheoesophageal cleft type 2
  • Laryngeal cleft above cricoid
  • Laryngeal cleft type 0
  • Congenital malformation of trachea and bronchus
  • Lack of ossification of hyoid bone
  • Submucosal laryngeal cleft
  • Congenital anomaly of hyoid bone
  • Congenital Atresia of the larynx
  • Congenital stenosis of larynx, trachea and bronchus
  • Laryngeal cleft into trachea
  • Congenital atresia of larynx
  • Laryngo-tracheo-esophageal cleft type 2
  • Congenital absence of trachea
  • Laryngo-tracheo-oesophageal cleft type 1
  • Atresia of epiglottis
  • Laryngotracheoesophageal cleft type 3
  • Congenital tracheobronchial stenosis
  • Laryngotracheoesophageal cleft type 1
  • Congenital anomaly of thyroid cartilage
  • Laryngeal Atresia
  • Congenital atresia of trachea
  • Posterior cleft of cricoid cartilage
  • Laryngotracheo-oesophageal cleft type 0
  • Congenital stenosis of larynx
  • Congenital absence of bronchus
  • Agenesis of trachea
  • Laryngo-tracheo-oesophageal cleft type 2
  • Agenesis of larynx, trachea and bronchus
  • Absence of bronchus
  • Congenital fissure of epiglottis (disorder)
  • LTEC - laryngo-tracheo-oesophageal cleft
  • Congenital tracheal stenosis
  • Congenital laryngeal cyst
  • No larynx
  • Laryngo-tracheo-esophageal cleft type 0
  • Congenital malformation of larynx and trachea
  • Laryngeal cleft type I
  • Congenital cleft larynx
  • Congenital atresia of larynx (disorder)
  • Congenital laryngotracheoesophageal cleft
  • Congenital atresia of glottis
  • Cyst of epiglottis
  • Laryngotracheo-oesophageal cleft type 1
  • Agenesis of larynx (disorder)
  • Laryngeal cleft part way through cricoid
  • Laryngeal cleft through cricoid
  • Anomaly of laryngeal and/or tracheal cartilage
  • Congenital laryngotracheo-oesophageal cleft
  • Congenital cyst of larynx
  • Congenital stenosis of the tracheobronchial tree
  • Atresia of larynx
  • Laryngeal cleft type III
  • Unossified hyoid bone
  • Congenital fissure of epiglottis
  • Laryngotracheoesophageal cleft type 4
  • Laryngo-tracheo-oesophageal cleft type 0
  • Atresia of larynx and trachea
  • Laryngo-tracheo-esophageal cleft type 3
  • Bronchial stenosis
  • LTEC - laryngo-tracheo-esophageal cleft
  • Laryngotracheo-oesophageal cleft type 4
  • Congenital cleft of posterior cricoid cartilage
  • Laryngo-tracheo-oesophageal cleft type 3
  • Congenital stenosis of trachea
  • Laryngo-tracheo-oesophageal cleft type 4
  • Epiglottic cyst
  • Congenital malformation of epiglottis
  • Tracheal stenosis
  • Laryngeal cleft type IV
  • Larynx Atresia
  • Agenesis of bronchus
  • Congenital cyst of aryepiglottic fold
  • Vocal cord absent
  • Congenital cleft thyroid cartilage
  • Bifid epiglottis
  • Congenital supraglottic stenosis
  • Absence of larynx (finding)
  • Congenital narrowed trachea
  • Laryngotracheo-oesophageal cleft type 3
  • Congenital absence of epiglottis
  • Laryngotracheoesophageal cleft type 0
  • Aryepiglottic cyst in neonate
  • Supraglottic cyst
  • Cyst of larynx
  • Laryngotracheo-oesophageal cleft type 2
  • Absence of larynx
  • Laryngo-tracheo-esophageal cleft type 4
  • Congenital stenosis of larynx NEC
  • Anomaly of epiglottis
Frequently Asked Questions
What is the ICD-10 code for other congenital malformations of larynx?

The ICD-10-CM code for other congenital malformations of larynx is Q31.8. The full clinical description is "Other congenital malformations of larynx". Q31.8 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q31.8 mean?

ICD-10-CM code Q31.8 represents “Other congenital malformations of larynx”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q31.8 a billable code?

Yes, Q31.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q31.8 in?

Q31.8 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q31.8?

Q31.8 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital laryngeal stridor NOS (P28.89).

What SNOMED CT codes does Q31.8 map to?

Q31.8 maps to 48 SNOMED CT concepts: 34774005, 249435003, 204534001, 204535000, 204533007, and 43 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q31.8?

Q31.8 is linked to 8 UMLS Concept Unique Identifiers: C0426543, C1261566, C0265756, C0265762, C0265757, and 3 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q31.8 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other congenital malformations of larynx affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q31.8?

Q31.8 maps to the ICD-11 code: LA71.Z (Structural developmental anomalies of larynx, unspecified).

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.