Sensitivity and specificity of an algorithm based on medico-administrative data to identify hospitalized patients with major bleeding presenting to an emergency department

Table 1 Discharge diagnosis ICD-10 codes for 637 events identified by index test [5]

Type	Code	Label	Percent	Count
Intracranial hemorrhage	I61	Non-traumatic intra-cerebral hemorrhage	45.7	134
	S06	Intracranial injury	34.8	102
	I60	Non-traumatic subarachnoid hemorrhage	15.0	44
	I62	Other and unspecified non-traumatic intracranial hemorrhage	4.43	13
Gastrointestinal hemorrhage	K92	Other diseases of the digestive system	39.1	77
	K62	Other diseases of the anus and rectum	35.0	69
	K26	Duodenal ulcer	12.2	24
	K25	Gastric ulcer	11.7	23
	K28	Gastrojejunal ulcer	1.01	2
	K27	Peptic ulcer, site unspecified	0.51	1
	K29	Gastritis and duodenitis	0.51	1
Other bleeding	R04	Hemorrhage in the respiratory tract	48.9	72
	R31	Hematuria	26.5	39
	D62	Acute post-hemorrhagic anemia	10.9	16
	M25	Other joint disorder, not elsewhere classified	5.44	8
	H11	Ocular hemorrhage	1.36	2
	K66	Other disorders of the peritoneum	1.36	2
	N02	Recurrent and persistent hematuria	1.36	2
	N95	Menopausal and other peri-menopausal disorders	1.36	2
	R58	Hemorrhage, not elsewhere classified	1.36	2
	H92	Otalgia and effusion from the ear	0.68	1
	J94	Other pleural conditions	0.68	1