Index to Diseases and Injuries
Trisomy (syndrome)
Index code:Q92.9
- autosomes Q92.9
- chromosome specified NEC Q92.8
- partial Q92.2
- due to unbalanced translocation Q92.5
- whole (nonsex chromosome)
- meiotic nondisjunction Q92.0
- mitotic nondisjunction Q92.1
- mosaicism Q92.1
- specified NEC Q92.8
- due to
- dicentrics — see Extra, marker chromosomes
- extra rings — see Extra, marker chromosomes
- isochromosomes — see Extra, marker chromosomes
- specified NEC Q92.8
- whole chromosome Q92.9
- meiotic nondisjunction Q92.0
- mitotic nondisjunction Q92.1
- mosaicism Q92.1
- partial Q92.9
- specified NEC Q92.8
- 13 (partial) Q91.7
- meiotic nondisjunction Q91.4
- mitotic nondisjunction Q91.5
- mosaicism Q91.5
- translocation Q91.6
- 18 (partial) Q91.3
- meiotic nondisjunction Q91.0
- mitotic nondisjunction Q91.1
- mosaicism Q91.1
- translocation Q91.2
- 20 Q92.8
- 21 (partial) Q90.9
- meiotic nondisjunction Q90.0
- mitotic nondisjunction Q90.1
- mosaicism Q90.1
- translocation Q90.2
- 22 Q92.8
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Trisomy?
The ICD-10-CM Alphabetic Index directs "Trisomy" to Q92.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.