M85.47Solitary bone cyst, ankle and foot
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 M80-M94
- chondropathies
- Official Vietnamese name
- Nang xương đơn độc, cổ chân và/hoặc bàn chân
Related M85 codes
M85
Other disorders of bone density and structure
M85.0
Fibrous dysplasia (monostotic)
M85.00
Primary diagnosis candidate
Fibrous dysplasia (monostotic), multiple sites
M85.01
Primary diagnosis candidate
Fibrous dysplasia (monostotic), shoulder region
M85.02
Primary diagnosis candidate
Fibrous dysplasia (monostotic), upper arm
M85.03
Primary diagnosis candidate
Fibrous dysplasia (monostotic), forearm
M85.04
Primary diagnosis candidate
Fibrous dysplasia (monostotic), hand
M85.05
Primary diagnosis candidate
Fibrous dysplasia (monostotic), pelvic region and thigh
M85.06
Primary diagnosis candidate
Fibrous dysplasia (monostotic), lower leg
M85.07
Primary diagnosis candidate
Fibrous dysplasia (monostotic), ankle and foot
M85.08
Primary diagnosis candidate
Fibrous dysplasia (monostotic), other
M85.09
Primary diagnosis candidate
Fibrous dysplasia (monostotic), 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.
