Table 2 Summary of the frequency and nature of three most commonly occurring diagnoses grouped by reason at OSICS-10 tier 2
Reason for level 2 classificationnPer cent (%)DiagnosisnPer cent (%)
Neither coding nor diagnostic inadequacy1927.1Strain631.6
Sprain (Grade 1)315.8
Contusion210.5
Due to lack of detail in code3049.2Contusion516.7
Strain413.3
Joint effusion310.0
Due to lack of detail in diagnosis2130.0Sprain (Grade 1)628.6
Contusion314.3
Strain29.5