Growth hormone suppression test (DFT)

Test/Investigation

Growth hormone suppression test (DFT)

Site(s) or Laboratory offering Test/Investigation

NNUH (Biochemistry)

Indications

This is a test to check the amount and production rate of growth hormone in the body

Comments/Precautions

Please refer to local trust guidelines for DFT protocols. Please ensure all timings are clearly labelled on every sample.

Storage conditions and sample stability between collection and transport to Lab

Send any insulin samples to laboratory promptly on ice. Please refer to the individual tests included in this dynamic function test for more information.

Sample type

Fluoride oxalate (grey top) for glucose and lithium heparin (green top) for GH(+/- insulin). Refer to local DFT protocol for timings

Turnaround times (TAT) Urgent/Routine/GP or OPD

Please refer to the individual tests included in this dynamic function test for turn-around times.

If UKAS Accredited Test indicate at which site

Please refer to the individual tests included in this dynamic function test