Urine colors

Cards (33)

    • recent fluid consumption
    • commonly observed with random specimen 

    colorless
  • •polyuria or diabetes
    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
    • bilirubin
    • 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 infection
    • positive urine culture
    green
    • amitriptyline
    • antidepressant
    blue green
    • methocarbamil
    • muscle relaxant, may be green brown
    blue gree
    • clorets
    • none
    blue green
    • indican
    • bacterial infections, intestinal disorders
    blue green
    • methylene blue
    • 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
    • myoglobin
    • vlear urine with positive chemical test results for blood; muscle damage
    red
    • beets
    • alkaline urine of genetically susceptible persons
    red
    • rifampin
    • TB medication
    red
    • menstrual contamination
    • cloudy specimen with RBCs, mucus, and blots
    red
    • Porphyrins
    • 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 melanoma
    • urine darkens on standing and reacts with nitroprusside and ferric chloride
    black
    • phenol derivatives
    • interferebwith copper reduction tests
    black
    • argyrol
    • color disappears with ferris chloride
    black
    • methyldopa or levodopa
    • antihypertensive
    black
    • metronidazole (flagyl)
    • darkens on standing, intestinal and vaginal infection
    black