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Test Code LAB3106 Growth Hormone Clonidine

Clinical System Name

Growth Hormone  Clonidine

Synonyms

Growth Hormone Clonidine Stimulation

Clonidine Growth Hormone Stimulation

Clonidine GH Stim.

Sample Requirements

Specimen: Whole blood

Container(s): Red; Gold SST, Gold Microtainer, Lt. Green/ Lithium Heparin Microtainer, Dark Green/Sodium 

Preferred Vol: 1.0 mL

Minimum Vol: 0.5 mL

Note: Label each specimen and requisition with time drawn. Samples are drawn at 60, 90, and 120 min. Order GH B if baseline level required. Contact Chemistry Lab for more information (206) 987-2565.

 

30 min order is available in DOE for outside ordering providers.

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: - 20 C

Storage location: CPA freezer, Fz2 rack. Serum/plasma should be removed from separator for storage. Each specimen should be numbered and labeled with time drawn. Store label with sample.

 

Off-site collection: Label specimen and requisition with time of draw. Samples are drawn at 60, 90 ,and 120 minutes. Order GH B if baseline level requested. Spin blood. Transfer serum to plastic aliquot container. Send frozen.

Stability

Specimen Type Temperature Time
gel separator with serum/plasma Refrigerated 8 h
separated serum/plasma Room temp 24 h
  Refrigerated 7 d
  Frozen -20 C 2 m

 

Availability

STAT Performed TAT
N T, Th, day shift 2 - 6 d

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Chemistry

Location: Chem East

Phone Number:  (206) 987-2617

CPT Codes

83003 x 3

Methodology

Method: Chemiluminescent Immunoassay on IDS iSYS

Analytical Volume: 0.30 mL serum per level

Limitations:

Reference Range

 

Age Baseline (Rest) After Stimulation
> 2 weeks 0 - 6 ng/mL >/= 6 ng/mL

Test performed is growth hormone, after Clonidine stimulation.