VITiếng Việt
ICD-10 Vietnam

M85Other disorders of bone density and structure

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 M85 directly

Use the most specific code supported by the record.

Chapter XIII
musculoskeletal system and connective tissue
Group M80-M94
chondropathies
Official Vietnamese name
Rối loạn khác về mật độ và/hoặc cấu trúc xương
Additional WHO coding guidance
[See site code at the beginning of this chapter] Excl.: osteogenesis imperfecta (Q78.0) osteopetrosis (Q78.2) osteopoikilosis (Q78.8) polyostotic fibrous dysplasia (Q78.1)

Related M85 codes

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 M85.1 Skeletal fluorosis

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.