Evidence-Based Supplement & Herb Guides

Urine Albumin Test: Albuminuria, Kidney Disease, Normal Range, and Meaning

Learn how urine albumin testing and uACR detect kidney damage, what A1–A3 ranges mean, common causes of albuminuria, temporary elevations, CKD risk, and follow-up steps.

A urine albumin test measures albumin leaking from the blood into urine. Albumin is a large blood protein that healthy kidney filters largely retain,...

Urine Albumin-Creatinine Ratio (uACR) Test: Kidney Damage, Normal Range, and Albuminuria

Understand the urine albumin-creatinine ratio (uACR), including normal ranges, albuminuria categories, causes of high results, repeat testing, and kidney follow-up.

A urine albumin-creatinine ratio (uACR) test is one of the most useful ways to look for early kidney damage, especially in people with diabetes,...

Urine Free Light Chain Test: Kappa, Lambda, Ratio, Kidney Disease, and Myeloma

Understand urine free kappa and lambda light chains, urine ratio limitations, kidney effects, myeloma and MGRS links, companion tests, and abnormal result follow-up.

A urine free light chain test measures free kappa and free lambda immunoglobulin light chains that have passed into urine. These proteins are made...

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...