Estimated GFR (eGFR)

Clinical details: 
National Service Framework (NSF) on chronic kidney disease (CKD) recommends eGFR to monitor/diagnose CKD. Consider requesting eGFR as an alternative to creatinine clearance.
eGFR is not validated for use in children <18 years old, acute renal failure, pregnancy, oedematous states, muscle wasting disease states, amputees or malnourished patients
Reference range: 

Estimated GFR (eGFR) ml/min/1.73m2
>90 Indicates normal GFR, unless there is a structural abnormality or a functional abnormality such as persistent proteinuria or microscopic haematuria.
60-89 Does not indicate chronic kidney disease unless there is other existing laboratory/clinical evidence of disease.

30-59 Indicates moderate renal impairment. Consider monitoring eGFR 6 monthly.

15-29 Indicates established renal impairment. Consider monitoring eGFR monthly.

15-30 <15 Indicates established renal failure. Consider monitoring eGFR 3 monthly.
For African-Caribbean people only – eGFR should be multipled by 1.212

See interpretive information in this document
Sample type and Volume required: 
Call in advance: 
Turnaround time: 
Same day
Special sample instructions: 


Storage and transport: 
For clinical advice or interpretation of results, please contact the laboratory in the first instance.

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Last updated: 07/08/2015