C72.2Olfactory nerve
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 thần kinh khứu giác
- Additional WHO coding guidance
- Olfactory bulb
Related C72 codes
C72
Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system
C72.0
Primary diagnosis candidate
Spinal cord
C72.1
Primary diagnosis candidate
Cauda equina
C72.3
Primary diagnosis candidate
Optic nerve
C72.4
Primary diagnosis candidate
Acoustic nerve
C72.5
Primary diagnosis candidate
Other and unspecified cranial nerves
C72.8
Primary diagnosis candidate
Overlapping lesion of brain and other parts of central nervous system
C72.9
Primary diagnosis candidate
Central nervous system, 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.
