Growth Hormone Series
- LIS Mnemonic: GRHS
Collect
Gold (SST - Clot activator & gel)
Volume Required
2 mL blood
Minimum Required
1 mL blood
Transport
Room temperature
Stability
8 hrs refrigerated
Processing
Place specimens in rack for 30 minutes prior to centrifugation to allow for complete clotting of sample. All chemistry specimens collected in a SST or PST should be centrifuged at 3,400 RPM's for 10 minutes. If there is gel separating the serum or plasma from the red cells, it is not necessary to transfer the serum or plasma to another tube. Follow directions in the centrifuge manual to set the centrifuge appropriately.If there is not gel separating the serum or plasma from the red cells, transfer the serum or plasma using a disposable pipette to another tube (pour off tube) being careful not to disturb the buffy coat. Rubber band the original tube (parent tube) with the labeled pour off tube prior to sending the specimen to CLS.
Days Performed
weekdays
Reported
Next day
Reflex Testing
N/A
CPT
83003
Methodology
Chemiluminescence
Remarks
Series has 3 to 6 tubes or even more in some cases. Indicate collection times on tubes and send all the tubes at the same time with the collection times on the tubes and transmittal form. Refrigerate the tubes until all are collected. Red tube acceptable.
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