Q923-char group
Other trisomies and partial trisomies of the autosomes, not elsewhere classified
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: unbalanced translocations and insertions Excl.: trisomies of chromosomes 13, 18, 21 (Q90-Q91)
Codes within Q92
Q92.0Whole chromosome trisomy, meiotic nondisjunctionQ92.1Whole chromosome trisomy, mosaicism (mitotic nondisjunction)Q92.2Major partial trisomyQ92.3Minor partial trisomyQ92.4Duplications seen only at prometaphaseQ92.5Duplications with other complex rearrangementsQ92.6Extra marker chromosomesQ92.7Triploidy and polyploidyQ92.8Other specified trisomies and partial trisomies of autosomesQ92.9Trisomy and partial trisomy of autosomes, unspecified