SUBSEQUENT TRAUMATIC BRAIN INJURY
Variable 221
date of last revision: 08/15/98
DEFINITION:
Subsequent traumatic brain injury in a patient who is identified in Form I as having a traumatic brain injury. This must be diagnosed by a physician. The injury does not have to be so severe as to require rehospitalization.

Traumatic brain injury is to be defined as:
1) Loss of consciousness due to new brain trauma,
2) Post-traumatic amnesia due to new brain trauma, or
3) Objective neurologic finding that can be reasonably attributed to subsequent brain injury on physical or mental status examination

Any one of the above criteria will suffice.

CODE:
Use the month and year that the subsequent brain injury occurred.

*MM/YYYY
66/6666 Variable did not exist
77/7777 Patient had a subsequent brain injury during the current follow-up year, but the date is not known
88/8888 Not applicable, no subsequent brain injury
99/9999 Unknown if subsequent brain injury

If patient had more than one subsequent brain injury during the current follow-up year, enter the date of the first one.
CHARACTERS:
6 date
EXAMPLE:
Patient experienced a subsequent brain injury on January 18, 1991.

01/1991


Traumatic Brain Injury Model System National Database Live Syllabus V10.3
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