Table 1.

ICD-10 Definitions used for TBI and NTBI

TBI Codes
Fracture of the skull	S02 [.0, .1, .7-.9]
Intracranial injury	S06 [.0-.6, .8, .9]
Sequelae of injury	T90 [.2, .5, .8, .9], T96, T97, T98.2
nTBI Codes *
Brain infections	A81.1, A83.0, A83.2, A87 [.0-.2, .8, .9], B00.4, B01.0, B01.1, B02.0, B05.0, B37.5, G00 [.0-.3, .8, .9], G01.0, G02 [.0, .1, .8], G03 [.0-.2, .8, .9], G04 [.0, .8, .9], G05 [.0-.2, .8], G06 [.0-.2], G93.0
Encephalopathy	E10.0, E11 [.0, .1], E13 [.0, .1], E14 [.0, .1] E15, F07.2
Toxic effects	T51 [.0, .1, .2, .3, .8-.9], T56 [.0, .1, .4, .5, .8, .9], T58
Anoxia	G93.1, T75.1, T71
Vascular insults	I62.0, I62.9
Brain neoplasms	C70 [.0, .1, .9], C71 [.0-.9], C79.3, D32.0, D33 [.0-.3], D42.0, D43 [.0-.4, .7, .9]

*Patients were excluded with stroke codes (I60, I61, I63, and I64) in the most responsible position