S42.21Fracture of upper end of humerus, open
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 S40-S49
- Injuries to the shoulder and upper arm
- Official Vietnamese name
- Gãy phần trên xương cánh tay trên, gãy hở
Related S42 codes
S42
Fracture of shoulder and upper arm
S42.0
Fracture of clavicle
S42.00
Primary diagnosis candidate
Fracture of clavicle, closed
S42.01
Primary diagnosis candidate
Fracture of clavicle, open
S42.1
Fracture of scapula
S42.10
Primary diagnosis candidate
Fracture of scapula, closed
S42.11
Primary diagnosis candidate
Fracture of scapula, open
S42.2
Fracture of upper end of humerus
S42.20
Primary diagnosis candidate
Fracture of upper end of humerus, closed
S42.3
Fracture of shaft of humerus
S42.30
Primary diagnosis candidate
Fracture of shaft of humerus, closed
S42.31
Primary diagnosis candidate
Fracture of shaft of humerus, open
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.
