Growth Hormone

Pathology category

Biochemistry - referred tests

Code

GH

Referral code

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Test information

Random growth hormones are uninformative Should only be done as part of a dynamic function test

Guidelines

Pre-analytical

GH secretion is pulsatile and basal/random samples are of little diagnostic valueSerum must be frozen within 24h of receipt and transported frozen

Reference range

see report

Tube type

Tube type info

SST or lithium heparin

Special requirements

SerumLithium heparin samples are also acceptable

Minimum volume

500 uL

Assay frequency

TAT Inpatient (urgent)

TAT Inpatient

4 weeks

TAT GP/Outpatient

4 weeks

Referral lab

Department of Clinical Biochemistry, Queen Elizabeth Hospital, Birmingham