Q00–Q99
Congenital Malformations, Deformations and Chromosomal Abnormalities
Down syndrome, congenital heart defects
Q98.7
Male with sex chromosome mosaicism
Billable
Q98.8
Other specified sex chromosome abnormalities, male phenotype
Billable
Q98.9
Sex chromosome abnormality, male phenotype, unspecified
Billable
Q99
Other chromosome abnormalities, not elsewhere classified
Non-billable
Q99.0
Chimera 46, XX/46, XY
Billable
Q99.1
46, XX true hermaphrodite
Billable
Q99.2
Fragile X chromosome
Billable
Q99.8
Other specified chromosome abnormalities
Non-billable
Q99.81
Usher syndrome
Non-billable
Q99.811
Usher syndrome, type 1
Billable
Q99.812
Usher syndrome, type 2
Billable
Q99.813
Usher syndrome, type 3
Billable
Q99.818
Other Usher syndrome
Billable
Q99.819
Usher syndrome, unspecified
Billable
Q99.89
Other specified chromosome abnormalities
Billable
Q99.9
Chromosomal abnormality, unspecified
Billable
QA0
Neurodevelopmental disorders related to specific genetic pathogenic variants
Non-billable
QA0.0
Neurodevelopmental disorders related to pathogenic variants in specific genes
Non-billable
QA0.01
Neurodevelopmental disorders related to pathogenic variants in certain specific genes
Non-billable
QA0.010
Neurodevelopmental disorders, related to pathogenic variants in ion channel genes
Non-billable
QA0.0101
SCN2A-related neurodevelopmental disorder
Billable
QA0.0102
CACNA1A-related neurodevelopmental disorder
Billable
QA0.0109
Neurodevelopmental disorder related to pathogenic variant in other ion channel gene
Billable
QA0.011
Neurodevelopmental disorders, related to pathogenic variants in glutamate receptor genes
Billable
QA0.012
Neurodevelopmental disorders, related to pathogenic variants in other receptor genes
Billable
QA0.013
Neurodevelopmental disorders, related to pathogenic variants in other transporter and solute carrier genes
Non-billable
QA0.0131
SLC6A1-related disorder
Billable
QA0.0139
Neurodevelopmental disorder, related to pathogenic variant in other transporter or solute carrier gene
Billable
QA0.014
Neurodevelopmental disorders, related to pathogenic variants in synapse related genes
Non-billable
QA0.0141
Syntaxin-binding protein 1-related disorder
Billable
QA0.0142
DLG4-related synaptopathy
Billable
QA0.0149
Neurodevelopmental disorder, related to pathogenic variant in other synapse related gene
Billable
QA0.015
Neurodevelopmental disorders, related to genes associated with transcription and gene expression
Non-billable
QA0.0151
FOXG1 syndrome
Billable
QA0.0159
Neurodevelopmental disorder, related to other genes associated with transcription and gene expression
Billable
QA0.8
Other neurodevelopmental disorders related to pathogenic variants in other specific genes
Billable
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