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renal function test lab draw with creatinine
Creatinine vs. Cystatin C: Which Test Measures PKD Kidney Health Better? Aug 18, 2025

Labs can be confusing, especially when it comes to monitoring kidney function in polycystic kidney disease (PKD). As a PKD and kidney nutrition expert, I get a lot of questions about interpreting thes...

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Diana Bruen, MS, RD

Diana is the RD behind The PKD Dietitian. She believes in the power of proactive nutrition for PKD & kidney health. Her vision is to bring science-based nutrition education to the PKD community.

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Creatinine vs. Cystatin C: Which Test Measures PKD Kidney Health Better?
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