REFERENCE RANGE CHANGE
Creatine, Serum (Estimated Glomerular Filtration Rate)
Order Code: CREAT
Fee Code: 20504
The reference range for the Estimated Glomerular Filtration Rate (eGFR) has been revised as follows effective January 19, 2023. The eGFR is a calculated value reported with Creatine, Serum test results and panels that include Creatinine, Serum. The eGFR is calculated using the 2021 CKD-EPI eGFR creatinine equation, which does not include race as a factor.
Reference Range:
GFR Categories in Chronic Kidney Disease (CKD)
|
GFR Category |
GFR (mL/min/1.73m2) |
Interpretation |
|
G1 |
90 or greater |
Normal or High * |
|
G2 |
60 - 89 |
Mild Decrease * |
|
G3a |
45 - 59 |
Mild to Moderate Decrease |
|
G3b |
30 - 44 |
Moderate to Severe Decrease |
|
G4 |
15 - 29 |
Severe Decrease |
|
G5 |
14 or less |
Kidney Failure |
* In the absence of evidence of kidney damage, neither GFR category G1 nor G2 fulfill the criteria for CKD (Kidney Int Suppl 2013;3:1-150).