Fig. 1

Coding precision (Slovenia and Spain)NNote. Note: Coding precision refers to the level of specificity in the way an admission is coded. In the case of diagnoses or procedures, the different classification systems own different levels of specificity. For example in ICD 9th MC, diagnoses might be coded with three, four of five digits; the greatest level of specificity implies the use of 5 digits. In the figure, actual levels of specificity in Slovenia (ICD 10th) and Spain (ICD 9th) are shown. Spain shows larger coding precision in all Major Diagnostic Categories (x axis), generally improving since 2010. When building comparable indicators the level of specificity has to be equivalent