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...
Urine Specific Gravity Test: High, Low, Hydration, Kidney Concentration, and Meaning
A urine specific gravity test shows how concentrated or dilute a urine sample is compared with pure water. It is part of many routine...
Urine Urobilinogen Test: High, Low, Liver Disease, Hemolysis, and Meaning
A urine urobilinogen test measures a breakdown product formed when intestinal bacteria process bilirubin from bile. Small amounts normally reach the urine, so a...
24-Hour Urine Kidney Stone Risk Test: Calcium, Oxalate, Citrate, Uric Acid, and Volume
A 24-hour urine kidney stone risk test shows why stones may be forming by measuring the substances that make crystals more or less likely...
Blood Calcium Test for Kidney Stones: High Calcium, Parathyroid Causes, and Stone Risk
A blood calcium test helps identify medical conditions that can raise kidney stone risk, especially primary hyperparathyroidism. Most people who form calcium stones do...
Blood Uric Acid Test for Kidney Stones: Gout, Uric Acid Stones, and Stone Risk
A blood uric acid test measures the amount of urate circulating in the bloodstream and can help identify gout, high uric acid production, reduced...
Calcium Oxalate Stone Risk Test: Urine Oxalate, Calcium, Citrate, and Volume
A calcium oxalate stone risk test uses urine chemistry to show why calcium oxalate crystals may be forming and which risk factors are most...
Cystine Capacity Test: Cystinuria Monitoring and Cystine Stone Risk
A cystine capacity test estimates whether urine is likely to dissolve cystine or allow cystine crystals to grow. It is designed for people with...
Cystine Stone Test: Cystine Levels, Cystinuria, Genetic Risk, and Meaning
A cystine stone test looks for evidence of cystinuria, an inherited disorder that causes excessive cystine to spill into urine and form recurrent kidney...
Kidney Stone Analysis Test: Stone Composition, Stone Types, and What Results Mean
A kidney stone analysis test identifies the minerals and other substances that make up a stone after it has been passed or removed. The...