eGFR & Kidney Health Blog
In-depth articles on eGFR, CKD stages, creatinine, kidney-friendly living, and reading your lab results.
eGFR 45 Meaning: CKD Stage 3a, Risks and Next Steps
Learn what an eGFR of 45 means, how it fits CKD stage 3a, which tests and risk factors matter, and what to discuss with your healthcare provider.
eGFR 30 Meaning: CKD Stage 3b and What to Do Next
What an eGFR of 30 means, how it relates to CKD stage 3b, why medication review matters, and which follow-up tests are commonly considered.
Sudden eGFR Drop: Check the Report, Symptoms, and Follow-up
Distinguish a reporting change from a creatinine rise, recognize urgent warning signs, and prepare the information a clinician needs to assess a sudden eGFR fall.
eGFR 90 Meaning: Is It Normal Kidney Function?
Find out what an eGFR of 90 means, when it is considered normal, why urine albumin still matters, and how to monitor kidney function over time.
eGFR 15 Meaning: The CKD Stage 4-5 Boundary
What an eGFR of exactly 15 means at the G4-G5 boundary, which symptoms require urgent care, and how clinicians plan the next tests and treatment discussion.
Pediatric eGFR: Bedside Schwartz, CKiD U25 and Interpretation
Understand the bedside Schwartz calculation, its study population and limitations, and why modern pediatric assessment may use CKiD U25 instead.
eGFR vs GFR: Estimated vs Measured Kidney Function
The difference between eGFR and measured GFR, how each is determined, why eGFR is an estimate, and when doctors measure true GFR or use cystatin C.
Can eGFR Improve? Recovery, Variation and Protecting Kidney Function
Understand the difference between a higher estimated number and kidney recovery, without detox claims, guaranteed timelines or universal treatment targets.
CKD Stage 3: An Individual Diet and Monitoring Plan
Understand G3a and G3b, avoid unnecessary nutrient restriction, and prepare questions about protein, sodium, blood pressure and follow-up.
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