Table 1 Summary of the nature of the most commonly occurring diagnoses grouped by OSICS-8 code suitability

Code/diagnosis agreement classification	Diagnosis	n	Per cent (%)	Code/diagnosis agreement noncodeable sub-classification	Diagnosis	n	Per cent (%)
Noncodeable	Contusion	20	45.5	Best-fit	Contusion	17	51.5
	Contusion	20	45.5		Sprain (Grade 1)	2	6.1
	Strain (Grade 1)	3	6.8		Fracture	2	6.1
	Strain (Grade 1)	3	6.8	Absolutely noncodeable	Strain (Grade 1)	2	18.2
	Irritation	3	6.8	Absolutely noncodeable	Strain (Grade 1)	2	18.2