Urine Ascorbic Acid Test: Vitamin C Interference and False-Negative Dipstick Results
A urine ascorbic acid test detects vitamin C in urine mainly so laboratories can recognize possible interference with other dipstick results. Vitamin C is...
Urine Bilirubin Test: Positive Result, Liver Disease, Bile Duct Problems, and Meaning
A urine bilirubin test checks for conjugated bilirubin, a water-soluble form of the yellow pigment produced when red blood cells are broken down. Normal...
Urine Blood Dipstick Test: Positive Blood, Hematuria, Causes, and Follow-Up
Urine Blood Dipstick Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical...
Urine Clarity Test: Cloudy Urine, Sediment, Infection, and Abnormal Findings
Urine Clarity Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical terms,...
Urine Color Test: Dark, Cloudy, Red, Orange Urine, and What It Means
Urine Color Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical terms,...
Urine Creatinine Spot Test: Urine Concentration, Ratio Tests, and Kidney Evaluation
Urine Creatinine Spot Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical...
Urine Dipstick Test: Protein, Blood, Glucose, Ketones, Nitrites, and Leukocytes
Urine Dipstick Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical terms,...
Urine Glucose Test: Positive Glucose, Diabetes, Kidney Causes, and Meaning
Urine Glucose Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical terms,...
Urine Hemoglobin Test: Positive Result, Blood, Hemolysis, Myoglobin, and Meaning
Urine Hemoglobin Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical terms,...
Urine Ketones Test: Positive Ketones, Diabetes, Fasting, Ketoacidosis Risk, and Meaning
Urine Ketones Test is most useful when it is read as part of a clinical pattern, not as a stand-alone verdict. In practical terms,...
Urine Leukocyte Esterase Test: Positive Result, UTI, White Blood Cells, and Meaning
A urine leukocyte esterase test looks for an enzyme released mainly by neutrophils, a type of white blood cell. A positive result usually means...
Urine Myoglobin Test: Muscle Injury, Rhabdomyolysis, Kidney Risk, and Meaning
A urine myoglobin test looks for myoglobin, an oxygen-binding protein that normally stays inside skeletal and heart muscle cells. When muscle is damaged, myoglobin...
Urine Nitrite Test: Positive Result, UTI, Bacteria, and Meaning
A urine nitrite test is a rapid dipstick test that looks for nitrite produced when certain bacteria convert naturally occurring urinary nitrate. A positive...
Urine Osmolality Test: Hydration, Kidney Concentration, High and Low Results
A urine osmolality test measures how concentrated or dilute urine is by counting the number of dissolved particles in a given amount of water....
Urine pH Test: Acidic, Alkaline, Kidney Stones, Infection, and Meaning
A urine pH test shows how acidic or alkaline urine is. Most routine urinalysis results fall somewhere between about pH 4.5 and 8.0, with...
Urine Protein Dipstick Test: Positive Result, Proteinuria, Kidney Disease, and Meaning
A urine protein dipstick test is a quick screening test for protein in urine, especially albumin. A positive result can be a sign of...















