M51.4Schmorl nodes
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
- Thoát vị đĩa đệm nội xốp [nốt Schmorl]
Related M51 codes
M51
Other intervertebral disc disorders
M51.0
Primary diagnosis candidate
Lumbar and other intervertebral disc disorders with myelopathy (G99.2*)
M51.1
Primary diagnosis candidate
Lumbar and other intervertebral disc disorders with radiculopathy (G55.1*)
M51.2
Primary diagnosis candidate
Other specified intervertebral disc displacement
M51.3
Primary diagnosis candidate
Other specified intervertebral disc degeneration
M51.8
Primary diagnosis candidate
Other specified intervertebral disc disorders
M51.9
Primary diagnosis candidate
Intervertebral disc disorder, 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.
