M40.50Lordosis, unspecified, multiple sites in spine
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 XIII
- musculoskeletal system and connective tissue
- Group M40-M54
- Bệnh lý cột sống
- Official Vietnamese name
- Ưỡn cột sống [võng lưng], không xác định, nhiều vị trí của cột sống
Related M40 codes
M40
Kyphosis and lordosis
M40.0
Postural kyphosis
M40.00
Primary diagnosis candidate
Postural kyphosis, multiple sites in spine
M40.01
Primary diagnosis candidate
Postural kyphosis, occipito-atlanto- axial region
M40.02
Primary diagnosis candidate
Postural kyphosis, cervical region
M40.03
Primary diagnosis candidate
Postural kyphosis, cervicothoracic region
M40.04
Primary diagnosis candidate
Postural kyphosis, thoracic region
M40.05
Primary diagnosis candidate
Postural kyphosis, thoracolumbar region
M40.06
Primary diagnosis candidate
Postural kyphosis, lumbar region
M40.07
Primary diagnosis candidate
Postural kyphosis, lumbosacral region
M40.08
Primary diagnosis candidate
Postural kyphosis, sacral and sacrococcygeal region
M40.09
Primary diagnosis candidate
Postural kyphosis, 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.
