Ammonia

Catalog Number: 20766682322

SYSTEM INFORMATION

INTENDED USE

Enzymatic in vitro test for the quantitative determination of ammonia in human plasma on Roche/Hitachi cobas c systems.

STORAGE AND STABILITY

CALIBRATION

CALIBRATION MODE

CALIBRATION FREQUENCY

2-POINT CALIBRATION

- BLANK RE-CALIBRATION AUTOMATICALLY EVERY 3 DAYS

LIMITS AND RANGES

MEASURING RANGE

10-700 µmol/L (17-1192 µg/dL)

LOWER LIMITS OF MEASUREMENT

Lower detection limit of the test

SPECIFIC PERFORMANCE DATA

PRECISION

PRECISION WAS DETERMINED USING HUMAN SAMPLES AND CONTROLS IN AN INTERNAL PROTOCOL WITH REPEATABILITY (N = 21) AND INTERMEDIATE PRECISION (3 ALIQUOTS PER RUN, 1 RUN PER DAY, 21 DAYS). THE FOLLOWING RESULTS WERE OBTAINED:

INTERMEDIATE PRECISION

METHOD COMPARISON

BABLOK W, PASSING H, BENDER R, ET AL. A GENERAL REGRESSION PROCEDURE FOR METHOD TRANSFORMATION. APPLICATION OF LINEAR REGRESSION PROCEDURES FOR METHOD COMPARISON STUDIES IN CLINICAL CHEMISTRY, PART III. J CLIN CHEM CLIN BIOCHEM 1988 NOV;26(11):783-790.