Q90.9 - Down syndrome, unspecified
- Applicable to Down syndrome, unspecified
- The 2025 edition of ICD10-CM Q90.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of Q90.9 - other international versions of ICD10 Q90.9 may differ.
- Q90.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Trisomy 21 NOS
The following codes above Q90.9 contain annotation back-references that may be applicable to Q90.9:
Chapter: Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
Section: Q90-Q99 Chromosomal abnormalities, not elsewhere classified
Category: Q90 Down syndrome
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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