How to stage chronic kidney disease
Put your detective cap on and learn how to stage chronic kidney disease based on GFR, albuminuria, and the cause of the disease.
When staging CKD there are two diagnostic tests that play an important role.
Obtain a blood sample and measure the GFR. Note the 6 GFR staging levels:
G1 = ≥ 90 mL / min / 1.73 m2
G2 = 60–89 mL / min / 1.73 m2
G3a = 45–59 mL / min / 1.73 m2
G3b = 30–44 mL / min / 1.73 m2
G4 = 15–29 mL / min / 1.73 m2
G5 = < 15 mL / min / 1.73 m2Assess the urine for albuminuria using the urine albumin-to-creatinine ratio (ACR):
A1 = < 30 mg/g
A2 = 30–300 mg/g
A3 = > 300 mg/g
In addition, it is important to determine the cause of CKD since it could have important implications for prognosis and treatment.
Lower GFR and higher ACR are associated with three negative health outcomes. Are you familiar with what they are? Watch the video to find out!
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