REAGENT REAGENTS SENSITIVITY SOURCES OF CORRELATI
STRIP ERROR ON WITH
OTHER
TEST
MULTI CHEMSTRIP
STIX
PH Methyl Red, 5.0-8.5 in 5.0-9.0 in Run over from Nitrile,
REAGENT bromthymol Blue 0.5 1.0 adjacent pads, Leukocytes,
STRIP increment increments old specimens Microscopi
s c
PROTEIN MULTISTIX: 15-30 6 mg/dL False positive: Blood,
REAGENT Tetrabromophenol blue mg/dL albumin Highly nitrile,
STRIP albumin buffered leukocytes,
Chemstrip: 3’,3”,5’,5”- interference microscopic
tetrachlorophenol, alkaline urine
3,4,5,6-
tetrabromosulfophthalei False
n negative:
microalbumin
uria, proteins
other than
albumin
Glucose MULTISTIX: Glucose 75-125 40 mg/dL False positive: Ketones
reagent oxidase, peroxidase, mg/dL contamination and
strip potassium iodide by oxidizing Proteins
agents and
CHEMSTRIP: glucose detergents
oxidase, peroxidase,
tetramethylbenzidine False
negative: high
levels of
ascorbic acid,
ketones, and
temperature,
low SG
Ketone Sodium nitroprusside, 5-10 9 mg/dL False positive: Glucose
reagent glycine mg/dL acetoacetic phtalein dyes,
strip acid; 70 levopoda
mg/dL
acetone False
negative:
improperly
preserved
specimen
STRIP ERROR ON WITH
OTHER
TEST
MULTI CHEMSTRIP
STIX
PH Methyl Red, 5.0-8.5 in 5.0-9.0 in Run over from Nitrile,
REAGENT bromthymol Blue 0.5 1.0 adjacent pads, Leukocytes,
STRIP increment increments old specimens Microscopi
s c
PROTEIN MULTISTIX: 15-30 6 mg/dL False positive: Blood,
REAGENT Tetrabromophenol blue mg/dL albumin Highly nitrile,
STRIP albumin buffered leukocytes,
Chemstrip: 3’,3”,5’,5”- interference microscopic
tetrachlorophenol, alkaline urine
3,4,5,6-
tetrabromosulfophthalei False
n negative:
microalbumin
uria, proteins
other than
albumin
Glucose MULTISTIX: Glucose 75-125 40 mg/dL False positive: Ketones
reagent oxidase, peroxidase, mg/dL contamination and
strip potassium iodide by oxidizing Proteins
agents and
CHEMSTRIP: glucose detergents
oxidase, peroxidase,
tetramethylbenzidine False
negative: high
levels of
ascorbic acid,
ketones, and
temperature,
low SG
Ketone Sodium nitroprusside, 5-10 9 mg/dL False positive: Glucose
reagent glycine mg/dL acetoacetic phtalein dyes,
strip acid; 70 levopoda
mg/dL
acetone False
negative:
improperly
preserved
specimen
