CM LAB - Laboratory Correlations of Urine Color Flashcards
Colorless
Commonly observed with random specimens
Recent Fluid Consumption
Pale yellow
Increased 24-hour volume and low specific gravity
Polyuria or Diabetes insipidus
Elevated specific gravity and positive glucose test result
DM
Recent fluid consumption
Diluted random sx
Dark yellow
May be normal after strenuous exercise or in first morning specimen
concentrated sx
Color if w/ B complex vitamins
dark yellow
dark yellow
Fever or burns
dehydration
dark yellow
Yellow foam when shaken and positive chemical test results for bilirubin
bilirubin
dark yellow
Negative bile test results and possible green fluorescence
acriflavine
dark yellow
antibiotic administered for UTI
nitrofurantoin
Orange-yellow
Drug commonly administered for urinary tract infections
phenazopyridine (Pyridium)
Orange-yellow
Anticoagulant, orange in alkaline urine, colorless in acid urine
Phenindione
Yellow-green
Colored foam in acidic urine and false-negative chemical test results for bilirubin
bilirubin oxidized to biliverdin
Green
Positive urine culture
Pseudomonas infection
Blue-green
Anti-depressant
Amitriptyline
Blue-green
muscle relaxant
Methocarbamol (Robaxin)
Clorets color
Blue green
Blue-green
Bacterial infections, intestinal disorders
Indican
Blue-green
Fistulas
methylene blue
Blue-green
When oxidized
phenol
Pink
Cloudy urine with positive chemical test results for blood and RBCs visible microscopically
RBCs
Red
Clear urine with positive chemical test results for blood; intravascular hemolysis
Hgb
