VITiếng Việt
ICD-10 Vietnam

M23Internal derangement of knee

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 M23 directly

Use the most specific code supported by the record.

Chapter XIII
musculoskeletal system and connective tissue
Group M00-M25
Bệnh lý khớp
Official Vietnamese name
Tổn thương bên trong khớp gối
Additional WHO coding guidance
Excl.: ankylosis (M24.6) current injury - see injury to the knee and lower leg (S80-S89) deformity of knee (M21.-) disorders of patella (M22.-) osteochondritis dissecans (M93.2) recurrent dislocation or subluxation (M24.4) recurrent dislocation or subluxation patella (M22.0-M22.1) The following supplementary subclassification to indicate the site of involvement is provided for optional use with appropriate subcategories in M23.-

Related M23 codes

M23.0 Cystic meniscus M23.00 Primary diagnosis candidate Cystic meniscus, multiple sites M23.01 Primary diagnosis candidate Cystic meniscus, anterior cruciate ligament or anterior horn of medial meniscus M23.02 Primary diagnosis candidate Cystic meniscus, posterior cruciate ligament or posterior horn of medial meniscus M23.03 Primary diagnosis candidate Cystic meniscus, medial collateral ligament or other and unspecified medial meniscus M23.04 Primary diagnosis candidate Cystic meniscus, lateral collateral ligament or anterior horn of lateral meniscus M23.05 Primary diagnosis candidate Cystic meniscus, posterior horn of lateral meniscus M23.06 Primary diagnosis candidate Cystic meniscus, other and unspecified lateral meniscus M23.07 Primary diagnosis candidate Cystic meniscus, capsular ligament M23.09 Primary diagnosis candidate Cystic meniscus, unspecified ligament or unspecified meniscus M23.1 Discoid meniscus (congenital) M23.10 Primary diagnosis candidate Discoid meniscus (congenital), multiple sites

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.