Interferences - Abbott i-STAT 1 System Manual

Interferences

An interferent is a substance which, if present at significant levels in the blood specimen being analyzed, will produce an
error in the result of the analyte being measured.
ANALYTE INTERFERENT
Bromide
Sodium
Acetylcysteine
Chloride
Bromide
Bromide (therapeutic)
Salicylate
Thiocyanate
Acetominophen
Ionized Calcium
Magnesium
Acetylcysteine
Bromide
Lactate
Salicylate (therapeutic)
Salicylate
Acetominophen
Glucose
Acetylcysteine
(Cartridge)
Bromide
Bromide (therapeutic)
pH
Oxygen
Hydroxyurea
Thiocyanate
Bromide
Lactate
Hydroxyurea
Glycolic Acid
REV. DATE: 16-Oct-12
PROCEDURE MANUAL FOR THE i-STAT SYSTEM
INTERFERENT CONCENTRATION
37.5 mmol/L
10.2 mmol/L
37.5 mmol/L
2.5 mmol/L
4.34 mmol/L
6.9 mmol/L
1.32 mmol/L
1.0 mmol/L
10.2 mmol/L
37.5 mmol/L
6.6 mmol/L
0.5 mmol/L
4.34 mmol/L
1.32 mmol/L
10.2 mmol/L
37.5 mmol/L
2.5 mmol/L
pH: per 0.1 pH units below 7.4 @ 37°C
pH: per 0.1 pH units above 7.4 @ 37°C
less than 20 mmHg @ 37°C
PO
2
0.92 mmol/L
6.9 mmol/L
37.5 mmol/L
0.92 mmol/L
10.0 mmol/L
ART: 714446-00L
EFFECT ON ANALYTE RESULT
Increase () Na
Decrease () Cl
Increase () Cl
Increase () Cl
Increase () Cl
Increase () Cl
Decrease () iCa
Increase () iCa by 0.04 mmol/L
Decrease () iCa
Increase () iCa
Decrease () iCa by 0.07 mmol/L
Decrease () iCa by approx. 0.03 mmol/L
Decrease () iCa
Increase () glucose
Decrease () glucose
Decrease () glucose
Decrease () glucose result by approx.
5 mg/d/L
Decrease () glucose by 0.9 mg/dL (0.05
mmol/L)
Increase () glucose by 0.8 mg/dL (0.04
mmol/L)
May decrease () glucose
Increase () glucose
Decrease () glucose by approx. 7 mg/dL
Decrease () lactate
Increase () lactate
Increase () lactate
16