VITiếng Việt
ICD-10 Vietnam

S86.9Injury of unspecified muscle and tendon at lower leg level

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 XIX
Injury, poisoning and certain other consequences of external causes
Group S80-S89
Injuries to the knee and lower leg
Official Vietnamese name
Tổn thương cơ và/hoặc gân không xác định, tầm cẳng chân

Related S86 codes

S86 Injury of muscle and tendon at lower leg level S86.0 Primary diagnosis candidate Injury of Achilles tendon S86.1 Primary diagnosis candidate Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level S86.2 Primary diagnosis candidate Injury of muscle(s) and tendon(s) of anterior muscle group at lower leg level S86.3 Primary diagnosis candidate Injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level S86.7 Primary diagnosis candidate Injury of multiple muscles and tendons at lower leg level S86.8 Primary diagnosis candidate Injury of other muscles and tendons at lower leg level

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.