TESTOSTERONE, FREE (DIRECT)
| Synonyms: | Free Testosterone, Direct; Free Testosterone (Direct), Serum |
| Computer Code: | (RTESF) |
| Specimen Collection: | 4 mL blood (red or gold top tube). |
| Minimum Volume: | 1 mL |
| Handling Instructions for Offsite Areas: | Allow to clot, centrifuge, remove serum, refrigerate. Min 0.3 mL serum. |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | SPEC C |
| Test Frequency: | NA |
| Routine TAT: | 5 days |
| Stat TAT: | N/A |
| CPT Code(s): | 84402 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |