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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > Q00-Q99 > Q90-Q99 > Q90
Q90-Q99
Chromosomal abnormalities, not elsewhere classified
Excl2.:
mitochondrial metabolic disorders (E88.4-)
Q90

Down syndrome

Use add'l
code(s) to identify any associated physical conditions and degree of intellectual disabilities (F70-F79)
Q90.0
Trisomy 21, nonmosaicism (meiotic nondisjunction)
Q90.1
Trisomy 21, mosaicism (mitotic nondisjunction)
Q90.2
Trisomy 21, translocation
Q90.9
Down syndrome, unspecified
Info:
Trisomy 21 NOS

 

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