Q97.1Female with more than three X chromosomes
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
- Nữ có hơn 3 nhiễm sắc thể X
Related Q97 codes
Q97
Other sex chromosome abnormalities, female phenotype, not elsewhere classified
Q97.0
Primary diagnosis candidate
Karyotype 47,XXX
Q97.2
Primary diagnosis candidate
Mosaicism, lines with various numbers of X chromosomes
Q97.3
Primary diagnosis candidate
Female with 46,XY karyotype
Q97.8
Primary diagnosis candidate
Other specified sex chromosome abnormalities, female phenotype
Q97.9
Primary diagnosis candidate
Sex chromosome abnormality, female phenotype, 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.
