Q31Non-billable (header)

Congenital malformations of larynx

✗ Excludes 1(Not coded here)

  • •congenital laryngeal stridor NOS (P28.89)

Code Hierarchy

┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q30-Q34Congenital malformations of the respiratory system (Q30-Q34)├Q31Congenital malformations of larynx
└Q31Congenital malformations of larynx

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