CYP	Cytochrome P450
M1	O-desmethyltramadol
MR	Metabolic ratio
DEM	Dextromethorphan
DOR	Dextrorphan
PD	Pupil diameter
ER	Emergency room
NM	Normal metaboliser
PM	Poor metaboliser
IM	Intermediate metaboliser
UM	Ultrarapid metaboliser
CPIC	Clinical Pharmacogenetic Implementation Consortium
AS	Activity score
restPD	Initial resting PD
PLR	Pupillary light reflex
minPD	Minimum PD at peak of the constriction
CH	% Change
LAT	Latency of constriction
CV	Average constriction velocity
MCV	Maximum constriction velocity
DV	Dilation velocity
NPi	Neurological Pupil Index™
RA	Reflex amplitude constriction
AE	Adverse event