Lab
Urine Leukocyte Esterase
search
Urine Leukocyte Esterase
Mechanism
Neutrophil
Granulocyte
s contain esterases
Positive test suggests pyuria
Dipstick requires 5 minutes to change color
Normal
Negative
Abnormal
Positive
Urinary Tract Infection
Vaginal contaminant
Causes
False Negative
Leukocyte
esterase on
Urinalysis
Inadequate time allowed for dipstick reading
Increased
Urine Specific Gravity
Urine Glucose
present (
Glycosuria
)
Urine Ketone
s present (Ketonuria)
Proteinuria
Keflex
Nitrofurantoin
Tetracycline
Gentamicin
Vitamin C
Causes
Positive
Leukocyte
esterase and negative culture
Chlamydia
Ureaplasma
urealyticum
Balanitis
Bladder Cancer
Nephrolithiasis
Tuberculosis
Urinary tract foreign body
Glomerulonephritis
Medications (
Corticosteroid
, Cytoxan)
Methenamine
Type your search phrase here