Discrimination of the Term ‘Space-Occupying Lesion’ Used in ICD-10

Objective. The correct use of terms for space-occupying lesions. Method. Analyze the use of the keyword, ‘space-occupying lesion’, in the national standard electronic version of ICD-10. Results. In a total of 13 records, the first 3 had errors, and the term had been correctly applied in the other 10. Conclusion. Space-occupying lesions are classified into R90-R93; the small nodules and masses diagnosed in imaging belong to space-occupying lesions. If the keyword used is not ‘space-occupying lesions’, the classification should be shifted to other categories.