Synonyms

Estimated Glomerular Filtration Rate

Clinical Indications

Detection and monitoring of renal disease

Test Includes

Creatinine

Request Form

Combined Pathology Blood form (Yellow/Black)

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

Volume

2 ml

Container

Yellow top (SST) tube

Causes for Rejection

Unlabelled sample

Interpretation

See UK CKD guidelines. Local guidelines on management and follow-up of patients with CKD is available on Basildon and Thurrock Hospital website. A brief guide to eGFR is also available.

Calculator

On-line eGFR calculator availble. Please note that this calculator adjusts specifically for creatinine results obtained using methodology at Basildon Hospital and should be used in preference to other calculators. Estimated GFR using other calculators (e.g. from renal association web site) will give different values.