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| 93235:TESTOSTERONE, FREE BY DIALYSIS ONLY | |||||||||
| Methodology: | Equilibrium Dialysis | ||||||||
| Edit Date: | 3/15/2010 | ||||||||
| Performed: | Monday, Wednesday, Friday | ||||||||
| Released: | 2-6 days after setup at PeaceHealth Laboratories’ reference lab. | ||||||||
| CPT Code: | 84402-90 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 7.5 mL serum separator tube (SST). | ||||||||
| Handling: | Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial. Freeze. | ||||||||
| Stability: | 24 hours ambient, 72 hours refrigerated, or 2 months frozen. | ||||||||
| Standard Volume: | Frozen. | ||||||||
| Minimum Volume: | 2 mL serum. | ||||||||
| Transport: | 1 mL serum. | ||||||||
| Comments: | Free testosterone by dialysis is recommended for pediatric and female patients. | ||||||||
| Reference Range: | |||||||||||||||||||
| Age |
Male % Free Dialysis |
Female % Free Dialysis |
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| <1 year | 0.4-1 | 0.5-1 | |||||||||||||||||
| <10 years | 0.4-0.9 | 0.4-0.9 | |||||||||||||||||
| <16 years | 0.4-3.2 | 0.5-1.4 | |||||||||||||||||
| >16 years | 1.5-3.2 | 0.8-1.4 | |||||||||||||||||