N94.6Dysmenorrhoea, unspecified
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.
- Chapter XIV
- Diseases of the genitourinary system
- Group N80-N98
- Noninflammatory disorders of female genital tract
- Official Vietnamese name
- Đau bụng kinh, không xác định
Related N94 codes
N94
Pain and other conditions associated with female genital organs and menstrual cycle
N94.0
Primary diagnosis candidate
Mittelschmerz
N94.1
Primary diagnosis candidate
Dyspareunia
N94.2
Primary diagnosis candidate
Vaginismus
N94.3
Primary diagnosis candidate
Premenstrual tension syndrome
N94.4
Primary diagnosis candidate
Primary dysmenorrhoea
N94.5
Primary diagnosis candidate
Secondary dysmenorrhoea
N94.8
Primary diagnosis candidate
Other specified conditions associated with female genital organs and menstrual cycle
N94.9
Primary diagnosis candidate
Unspecified condition associated with female genital organs and menstrual cycle
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.
