User's Guide

10. Appendices
65
10. Appendices
Abbreviations and terms
The following abbreviations and terms are used throughout this
guide:
Abbreviation or term
Meaning
AC
Alternating Current
EMC
Electromagnetic compatibility
EU
European Union
FDA
Food and Drug Administration (USA)
LQC
(External) Liquid Quality Control
ID
Identifier
INR
International Normalised Ratio
mg/L
Milligrams per litre
PPM
Parts per million
PT
Prothrombin time
STAT
Short Turn Around Time
USA
United States of America
USB
Universal Serial Bus
Prothrombin time
Xprecia Prime™ also displays Prothrombin time (PT) results in
seconds. The reported time is derived from the INR result and the
equation below. The calculation is performed with an ISI of 1.0 and a
typical Mean Normal Plasma Prothrombin Time of 12.0 seconds.
INR= (
[
Patient Prothrombin Time (sec)
]
[
Mean Normal Prothrombin Time (sec)
]
)
ISI