M40.1Other secondary kyphosis
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 M40.1 directly
Use the most specific code supported by the record.
- Chapter XIII
- musculoskeletal system and connective tissue
- Group M40-M54
- Bệnh lý cột sống
- Official Vietnamese name
- Gù cột sống [lưng] thứ phát khác
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.
