Estimated Glomerular Filtration Rate

Alternative Names/Synonyms	eGFR, GFR
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Refer to Creatinine
Test Code	MDRDS, MDRDP

Clinical Significance (If applicable)

Estimating renal function via the Modification of Diet in Renal Disease Study equation.

Specimen Requirements (Sample Type)

Refer to Creatinine

Specimen Requirements (Volume (mL))

Refer to Creatinine

Specimen Requirements (Tube Type)

Refer to Creatinine

Sample Stability

Refer to Creatinine

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Calculated

Test Availability

24 hours a day, 7 days a week

Routine Turnaround Time

3 hours

Reference Ranges

>= 60 mL/min/1.73 m^2

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688

Ordering Practices

Only available to ambulatory or outpatients.