Pathology Handbook

eGFR

Synonyms

Estimated Glomerular Filtration Rate

Clinical Indications

Detection and monitoring of renal disease

Test Includes

Creatinine

Request Form

Request on ICE

Availability

On request. For primary care requests eGFR will be automatically calculated and reported on any request for U&E.

Turnaround Time

Same day

Specimen

Serum in yellow-top SST bottle

Volume

2 ml

Container

Vacutainer gold top

Causes for Rejection

Unlabelled or incorrectly labelled sample

Interpretation

See laboratory report for interpretation of result

See UK CKD guidelines. Information on stages of renal disease available.

Calculator

The laboratory estimation of eGFR is adjusted for variations in creatinine assays; estimations of GFR using other calculators (eg from renal association web site) may give different values