 Print View Attached Docs: |
|||||||||
| 40460:GROWTH HORMONE | |||||||||
| Methodology: | Chemiluminescent Immunoassay (CLIA) | ||||||||
| Edit Date: | 4/19/2010 | ||||||||
| Performed: | Daily | ||||||||
| Released: | Same day as tested | ||||||||
| CPT Code: | 83003 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 7.5 mL serum separator tube. Also acceptable: One 5 mL red top tube. Fasting morning specimen is recommended. Capillary specimens should be obtained with Terumo T-MG Capiject tubes and separated immediately. Frozen specimen preferred, but refrigerated specimen is acceptable if testing can be assayed within 8 hours. If multiple tests are ordered, send a separate specimen for this test. Label each with date and time drawn. | ||||||||
| Handling: | Allow to clot, centrifuge and separate serum from cells immediately. Freeze. Allow no more than one freeze/thaw cycle. | ||||||||
| Stability: | 8 hours refrigerated at 2-8° C or 2 months frozen at -20° C. | ||||||||
| Standard Volume: | 0.5 mL serum for each specimen. | ||||||||
| Minimum Volume: | 100 µL serum for each specimen. | ||||||||
| Transport: | Refrigerated, or frozen on dry ice. | ||||||||
| Comments: | The measurement of circulating hGH can be used in the assessment of hyposomatotropism and hypersomatotropism and their resultant clinical disorders.
See also: Growth Hormone Stimulation, 2 Specimens (40465), Growth Hormone Stimulation, 3 Specimens (40466), or Growth Hormone Stimulation, 4 Specimens (40467). |
||||||||
| Rejection Criteria: | Specimen frozen and thawed more than once; refrigerated specimen received in laboratory more than 8 hours after collection. | ||||||||
| Reference Range: | |||||||||||||||||||
| 0.06-5.0 ng/mL (fasting/resting) | |||||||||||||||||||