Renal glucose handling marker
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High-quality testing run in a CLIA-certified and CAP-accredited lab in Santa Clara, California.
About Glucose (Renal)
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About Glucose (Renal)
Overview and History
Glucose is a simple monosaccharide and a primary cellular fuel. In the kidney, filtered glucose is normally reclaimed in the proximal tubule by specific transport proteins; only when the filtered load exceeds reabsorptive capacity or when tubular handling changes does measurable glucose appear in urine.
Historically, the presence of glucose in urine (glycosuria) was an early clinical clue to altered sugar balance. Modern laboratory assays quantify urinary glucose to characterize renal glucose handling and to add context to blood-based metabolic markers and kidney function tests.
Interpreting Highs and Lows
Higher urinary glucose can reflect a greater filtered load of glucose in the blood that outpaces renal reabsorption, reduced tubular reabsorption capacity, or transient post-meal increases. Lower or absent urinary glucose is common when blood glucose is below the kidney’s reabsorption threshold and tubular function is intact. Results should be interpreted alongside blood glucose, creatinine/eGFR, and other Cardio Zoomer markers to distinguish systemic metabolic patterns from renal-specific handling.
Featured Test
Cardio Zoomer includes Renal Glucose to clarify whether glucose-related stress is systemic (high filtered load) or renal (reabsorption changes). This marker helps link metabolic control and kidney handling to cardiovascular risk patterns, improving personalized interpretation and next-step testing.
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Mary Beth Augustine
DCN, RDN, FAND- Lead Clinical Educator
Suzanne Barker
MS, RDN, LD, CTTS, CGP- Clinical Educator
Suzette Garcia
MSc- MHNE- Clinical Educator
Brooke Mader Ganev
MS, CNS, LDN, FDN- Clinical Educator
Adair Anderson
MS, RDN, LDN- Clinical Educator
Lillie Luu Nguyen
DCN, CNS, LDN- Clinical Educator
Jason Barker
ND- Clinical Educator
Emaline Brown
ND- Clinical Educator
Dana Filatova
DCN, CNS, LDN- Clinical Educator
Jessy Dhanjal
ND- Clinical Educator
Nour Amri
MS, LDN, CNS, CKNS- Clinical Educator
