Q92.1Whole chromosome trisomy, mosaicism (mitotic nondisjunction)
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Group Q90-Q99
- Chromosomal abnormalities, not elsewhere classified
- Official Vietnamese name
- Thể tam nhiễm sắc thể hoàn toàn, thể khảm (không phân ly trong nguyên phân)
Related Q92 codes
Q92
Other trisomies and partial trisomies of the autosomes, not elsewhere classified
Q92.0
Primary diagnosis candidate
Whole chromosome trisomy, meiotic nondisjunction
Q92.2
Primary diagnosis candidate
Major partial trisomy
Q92.3
Primary diagnosis candidate
Minor partial trisomy
Q92.4
Primary diagnosis candidate
Duplications seen only at prometaphase
Q92.5
Primary diagnosis candidate
Duplications with other complex rearrangements
Q92.6
Primary diagnosis candidate
Extra marker chromosomes
Q92.7
Primary diagnosis candidate
Triploidy and polyploidy
Q92.8
Primary diagnosis candidate
Other specified trisomies and partial trisomies of autosomes
Q92.9
Primary diagnosis candidate
Trisomy and partial trisomy of autosomes, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
