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Ch. 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
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Congenital malformations of the respiratory system (Q30-Q34)
› Q31
Q31
Congenital malformations of larynx
ICD-10-CM category (non-billable header) code — part of Congenital malformations of the respiratory system (Q30-Q34)
Code Details
Billable
No — use a more specific child code
Chapter
Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Section
Congenital malformations of the respiratory system (Q30-Q34)
Coding Notes
Excludes1 (never code both together)
congenital laryngeal stridor NOS (P28.89)
Subcategories (7)
Q31.0
Web of larynx
Q31.1
Congenital subglottic stenosis
Q31.2
Laryngeal hypoplasia
Q31.3
Laryngocele
Q31.5
Congenital laryngomalacia
Q31.8
Other congenital malformations of larynx
Q31.9
Congenital malformation of larynx, unspecified
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