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Urine colors
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Cards (33)
recent fluid consumption
commonly observed with
random
specimen
colorless
•polyuria or diabete
s
increased 24 hour volume and low specific gravity
pale yellow
diabetes mellitus
elevated specific gravity and positive glucose test result
pale yellow
dilute random specimen
recent
fluid
consumption
pale yellow
concentrated specimen
may be normal after strenuous exercise or in first morsning specimen
dark yellow
B complex
vitamins
dark yellow
dehydration
fever or burns
dark yellow
bilirubi
n
yellow foam when shaken and positive chemical test results
dark yellow
acriflavine
negative bile test results
dark yellow
nitrofurantoin
antibiotic administered for UTI
dark yellow
phenazopyridine
drug commonly administered for UTI
orange yellow
phenindione
anticoagulant,
orange
in alkaline urine,
colorless
in acid urine
orange yellow
pseudomonas infectio
n
positive urine culture
green
amitriptylin
e
antidepressant
blue green
methocarbamil
muscle relaxant, may be green brown
blue gree
cloret
s
none
blue green
indican
bacterial infections, intestinal disorders
blue green
methylene blu
e
fistulas
blue green
phenol
when
oxidized
blue green
RBCs
cloudy in urine with positive chemical test results for blood and RBCs visible microscopic
Pink
Hemoglobin
clear urine with positive chemical test results for blood; intravascular hemolysis
Red
myoglobi
n
vlear urine with positive chemical test results for blood; muscle damage
red
beets
alkaline urine of genetically susceptible persons
red
rifampi
n
TB medication
red
menstrual contamination
cloudy specimen with RBCs, mucus, and blots
red
Porphyrin
s
negative test for blood, may require additional testing
port wine
RBCs
oxidized
to
methamoglobin
seen in acidic acidic urine after standing:
positive
chemical test result for blood
red-brown
hemogentisic acid
seen in alkaline urine after standing: specific tests are available
brown
malignant melanom
a
urine darkens on standing and reacts with nitroprusside and ferric chloride
black
phenol derivatives
interferebwith copper reduction tests
black
argyro
l
color disappears with ferris chloride
black
methyldopa or levodop
a
antihypertensive
black
metronidazole (flagyl
)
darkens on standing, intestinal and vaginal infection
black