Laboratory Correlation of Urine Color

Question 1

This color is commonly observed in random specimen with recent fluid intake

Answer 1

Colorless

Question 2

Urine color when increased in 24-hour volume and low specific gravity

Give the cause of clinical correlation.

Answer 2

Pale Yellow

• Polyuria or Diabetes insipidus

Question 3

Urine color when elevated specific gravity and positive glucose test result.

Give the cause of clinical correlation.

Answer 3

Pale Yellow

• Diabetes mellitus

Question 4

Urine color, that can be seen in patient’s specimen after a recent fluid intake and indicates dilute random specimen.

Answer 4

Pale Yellow

Question 5

Urine color that may be normal after strenuous exercise or in first morning
specimen.

Give the cause of clinical correlation.

Answer 5

Dark Yellow

• Concentrated specimen

Question 6

Urine color that is caused by B Complex vitamins

Answer 6

Dark Yellow

Question 7

Urine color that can be seen in patients with fever or burn

Give the cause of clinical correlation.

Answer 7

Dark Yellow

• Dehydration

Question 8

Urine color that presents yellow foam when shaken and positive in one of the parameters in reagent strip.

Give the cause of clinical correlation.

Answer 8

Dark Yellow

• Bilirubin

Question 9

Urine color that presents negative bile test results and possible green fluorescence.

Give the cause of clinical correlation.

Answer 9

Dark Yellow

• Acriflavine

Orange or brown powder that was used as a topical antiseptic.

Question 10

Urine color that is seen in patients administered with antibiotic for urinary tract infections.

Give the cause of clinical correlation.

Answer 10

Dark Yellow

• Nitrofurantoin

Question 11

Urine color seen in patients with drug intake that is commonly administered for urinary tract infections

Give the cause of clinical correlation.

Answer 11

Orange-Yellow

• Phenazopyridine (Pyridium)