M12.4Intermittent hydrarthrosis
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 M12.4 directly
Use the most specific code supported by the record.
- Chapter XIII
- musculoskeletal system and connective tissue
- Group M00-M25
- Bệnh lý khớp
- Official Vietnamese name
- Tràn dịch khớp gián đoạn
Related M12 codes
M12
Other specific arthropathies
M12.0
Chronic postrheumatic arthropathy [Jaccoud]
M12.00
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], multiple sites
M12.01
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], shoulder region
M12.02
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], upper arm
M12.03
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], forearm
M12.04
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], hand
M12.05
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], pelvic region and thigh
M12.06
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], lower leg
M12.07
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], ankle and foot
M12.08
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], other
M12.09
Primary diagnosis candidate
Chronic postrheumatic arthropathy [Jaccoud], site 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.
