N92Excessive, frequent and irregular menstruation
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use N92 directly
Use the most specific code supported by the record.
- Chapter XIV
- Diseases of the genitourinary system
- Group N80-N98
- Noninflammatory disorders of female genital tract
- Official Vietnamese name
- Kinh nguyệt quá nhiều, thường xuyên và/hoặc thất thường
- Additional WHO coding guidance
- Excl.: postmenopausal bleeding (N95.0)
Related N92 codes
N92.0
Primary diagnosis candidate
Excessive and frequent menstruation with regular cycle
N92.1
Primary diagnosis candidate
Excessive and frequent menstruation with irregular cycle
N92.2
Primary diagnosis candidate
Excessive menstruation at puberty
N92.3
Primary diagnosis candidate
Ovulation bleeding
N92.4
Primary diagnosis candidate
Excessive bleeding in the premenopausal period
N92.5
Primary diagnosis candidate
Other specified irregular menstruation
N92.6
Primary diagnosis candidate
Irregular menstruation, 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.
