www.neuroendocrinecancer.org.uk
GFR Test
The GFR test provides an accurate measure of overall kidney function, as opposed to the estimated value (eGFR). For this test, a very small amount of radioactive tracer is injected into a vein in your arm. One or more blood samples will then be taken from a different vein over the next few hours, with the last sample possibly being taken five hours or more after the injection. The radioactivity from the tracer quickly dissipates, and you should be able to continue all your normal activities unless advised otherwise. The results of your GFR test will be reviewed by a specialist doctor, who will issue a report. Your medical team will inform you of the results and whether they will impact your care.
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