01/08/2026
How to Read an RFT (Renal Function Test) Report
This handwritten study note is a complete step-by-step guide to interpreting a Renal Function Test (RFT) report. It covers the normal reference ranges, the clinical significance of each parameter, common causes of abnormal values, electrolyte interpretation, acid-base assessment, eGFR-based CKD staging, and systematic clinical correlation.
Contents:
- Introduction to Renal Function Test (RFT)
- Normal reference ranges for all RFT parameters
- Urea, Creatinine & eGFR interpretation
- Sodium, Potassium, Chloride & Bicarbonate analysis
- Calcium & Phosphate interpretation
- Acid-base disorders
- Prerenal, Renal & Postrenal AKI patterns
- CKD staging using eGFR
- Common causes of high and low values
- Clinical correlation with patient symptoms
- Quick formulas and memory tips
- High-yield ICU and FCPS exam points
This note is designed for MBBS students, FCPS residents, house officers, ICU trainees, emergency physicians, nephrology learners, and healthcare professionals who want a practical, easy-to-understand approach to reading RFT reports in clinical practice.