Q31.8

ICD-10Billable

Other congenital malformations of larynx

Official ICD-10-CM descriptor (FY2026)

Other congenital malformations of larynx

Q31.8 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • 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

Related codes in Q31

Where this code sits

Parent code
Q31

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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