Table 3

The 10 most frequent diagnoses associated with CRP test requests in the ED

ICD-10 codeDescriptionn
N39Disorders of the urinary system, including urinary tract infection386
R10Abdominal and pelvic pain315
J44Chronic obstructive pulmonary disease308
I50Heart failure301
A09Diarrhoea and gastroenteritis265
J98Other respiratory disorders202
O42Premature rupture of membranes199
  • CRP, C-reactive protein; ED, emergency department; ICD-10, International Classification of Diseases, version 10.