Urine Color
Urine is normally pale yellow to amber. Abnormal or unusual colors
include:
Color |
Significance |
|
Black |
|
|
Port wine |
- Porphyrins
- Methemoglobin
- Hemoglobin
- Lysol poisoning
|
|
Red-Brown |
- Hemoglobinuria
- Blood
- Myoglobinuria
- Porphyrins
|
|
Red |
- Eating beets
- Cascara and Senna laxatives
- Phenazopyridine ingestion
|
|
Orange |
- Concentrated urine
- Small amounts of bile
- Phenazopyridine ingestion
- Oral anticoagulants
- Ethoxazene
- Chlorzoxazone
|
|
Yellow-Brown |
- Bilirubin
- Sulfonamides
- Nitrofurantoin
|
|
Yellow-Green |
|
|
Green-Blue |
- Methylene blue
- Amitriptyline
|
|
Smoky |
|
|
Normal Values*
Color
|
Pale yellow to amber |
Turbidity
|
Clear to slightly
hazy |
Specific Gravity
|
1.015 to 1.025 |
pH
|
4.5-8.0 |
Glucose
|
Negative |
Ketones
|
Negative |
Blood
|
Negative |
Protein |
Negative |
Bilirubin |
Negative |
Urobilinogen |
0.1-1.0 |
Nitrate for bacteria |
Negative |
Leukocyte esterase |
Negative |
Casts |
Negative |
Red blood cells |
Negative |
Crystals |
Negative |
White blood cells |
Negative/Rare |
Epithelial cells |
Few |
*These are general values taken from a variety of
sources. The actual normal values may vary from lab to lab and from one
type of testing protocol to another.
|
Source:
Operational Medicine 2001, Health
Care in Military Settings, NAVMED P-5139, May 1, 2001, Bureau
of Medicine and Surgery, Department of the Navy, 2300 E Street NW, Washington,
D.C., 20372-5300 |