C40.2Long bones of lower limb
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 II
- Neoplasms
- Group C00-C97
- Malignant neoplasms U ác tính
- Official Vietnamese name
- U ác tính ở xương dài của chi dưới
Related C40 codes
C40
Malignant neoplasm of bone and articular cartilage of limbs
C40.0
Primary diagnosis candidate
Scapula and long bones of upper limb
C40.1
Primary diagnosis candidate
Short bones of upper limb
C40.3
Primary diagnosis candidate
Short bones of lower limb
C40.8
Primary diagnosis candidate
Overlapping lesion of bone and articular cartilage of limbs
C40.9
Primary diagnosis candidate
Bone and articular cartilage of limb, 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.
