Evidence-Based Supplement & Herb Guides

Urine Immunofixation Test: Monoclonal Protein, Light Chains, and Plasma Cell Disorders

Learn what urine immunofixation detects, what a monoclonal kappa or lambda band means, how it differs from UPEP, and how positive results are evaluated.

A urine immunofixation test is a sensitive laboratory method used to determine whether urine contains a monoclonal immunoglobulin protein, especially free kappa or lambda...

Urine Microalbumin Test: High Levels, Kidney Damage, Diabetes, and Meaning

Learn what a urine microalbumin test measures, what high levels mean, how diabetes and blood pressure affect albuminuria, and when repeat kidney testing is needed.

A urine microalbumin test looks for small increases in albumin leaking into the urine, often before standard urine protein dipsticks become strongly positive. Despite...

Urine Protein Electrophoresis (UPEP) Test: Protein Types, M Protein, and Myeloma Screening

Understand UPEP results, M-spikes, monoclonal light chains, urine immunofixation, myeloma screening, kidney effects, 24-hour collection, and abnormal-result follow-up.

Urine protein electrophoresis (UPEP) separates proteins in a urine sample according to their electrical properties, creating a pattern that can reveal whether an abnormal...

Urine Protein Test: High Protein, Proteinuria, Kidney Disease, and Causes

Learn what a high urine protein test means, how proteinuria is measured, common kidney and temporary causes, key ranges, and when repeat testing or specialist care is needed.

A urine protein test checks whether more protein than expected is passing into the urine. Proteinuria can be a temporary finding after exercise, fever,...

Urine Protein-Creatinine Ratio (UPCR) Test: Proteinuria, Kidney Disease, and Result Meaning

Understand the UPCR test, including common ranges, causes of high urine protein, differences from uACR, collection limits, nephrotic-range values, and follow-up.

A urine protein-creatinine ratio (UPCR) estimates how much total protein is being lost in the urine while correcting for how concentrated the urine sample...

Urine Total Protein Test: High Levels, Kidney Disease, Proteinuria, and Meaning

Understand urine total protein results, including normal values, high-protein causes, differences from albumin testing, spot versus 24-hour samples, and kidney follow-up.

A urine total protein test measures the combined amount of protein present in urine rather than albumin alone. It can help detect and quantify...

Abnormal Urinalysis Results: Protein, Blood, Glucose, Ketones, Leukocytes, and Meaning

Understand abnormal urinalysis results for protein, blood, glucose, ketones, leukocytes, nitrites, and microscopy, including causes and follow-up tests.

An abnormal urinalysis result is a clue, not a diagnosis. A dipstick can detect protein, blood, glucose, ketones, leukocyte esterase, nitrites, bilirubin, and changes...

Complete Urinalysis Test: Chemical, Microscopic, and Physical Urine Findings

Learn what a complete urinalysis measures, including physical urine findings, dipstick chemistry, microscopy, normal patterns, abnormal results, and follow-up.

A complete urinalysis examines urine in three connected ways: physical appearance, chemical dipstick testing, and microscopic analysis of the sediment. Together, these measurements can...

Urinalysis for Diabetes: Glucose, Ketones, Protein, Specific Gravity, and Meaning

Learn how urinalysis is used in diabetes, including urine glucose, ketones, protein, albumin, specific gravity, DKA warning signs, and kidney follow-up.

Urinalysis can provide useful clues about diabetes, but it does not diagnose or monitor diabetes as accurately as blood glucose, A1C, or continuous glucose...

Urinalysis for Kidney Disease: Protein, Blood, Casts, Albumin, and Microscopy Findings

Understand urinalysis for kidney disease, including albumin, protein, blood, dysmorphic red cells, casts, tubular cells, microscopy patterns, and follow-up testing.

Urinalysis can reveal kidney damage before symptoms appear and can help identify which part of the kidney may be affected. The most useful findings...

Urinalysis for UTI: Leukocytes, Nitrites, Bacteria, WBCs, and Culture Follow-Up

Understand UTI urinalysis results for leukocytes, nitrites, WBCs, bacteria, pyuria, and culture, including false results and when follow-up testing is needed.

Urinalysis can support a urinary tract infection diagnosis by detecting leukocyte esterase, nitrites, white blood cells, bacteria, blood, and other changes, but it cannot...

Urinalysis Test: Dipstick, Microscopy, Normal Results, and What It Means

Learn how a urinalysis test works, including dipstick markers, urine microscopy, normal results, common abnormal patterns, test limitations, and follow-up.

A urinalysis is a common test that checks urine for physical, chemical, and microscopic clues about the urinary tract, kidneys, metabolism, and several other...

Urine Albumin Dipstick Test: Positive Result, Albuminuria, Kidney Damage, and Meaning

Learn what a positive urine albumin dipstick means, how albuminuria is confirmed with uACR, kidney-damage ranges, temporary causes, and follow-up testing.

A positive urine albumin dipstick means albumin was detected in the sample, but it does not by itself prove chronic kidney disease or show...

Urine Ascorbic Acid Test: Vitamin C Interference and False-Negative Dipstick Results

Learn how urine ascorbic acid and vitamin C supplements can cause false-negative dipstick results for blood, glucose, nitrite, bilirubin, and other markers.

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 positive urine bilirubin test usually means conjugated bilirubin is entering the urine and can signal liver disease, cholestasis, or bile duct obstruction. Learn how bilirubin and urobilinogen patterns, false results, blood tests, and imaging help identify the cause.

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...