Instruction Source:
Q31.9Congenital malformation of larynx, unspecified
Q31.9Congenital malformation of larynx, unspecified
Q31Congenital malformations of larynx
Q30-Q34Congenital malformations of the respiratory system (Q30-Q34)
Q00-QA1Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders