THYROXINE BINDING GLOBULIN (Esoterix)
| Synonyms: | TBG |
| Computer Code: | (RTBGE) |
| Specimen Collection: | 5 mL blood (red, gold or lavender top tube). |
| Minimum Volume: | 1 mL |
| Handling Instructions for Offsite Areas: | Serum: Allow to clot, centrifuge, remove serum, freeze. Plasma: centrifuge, remove plasma, freeze. Separate and freeze within 1 hour of collection. Min 0.3 mL serum/plasma. |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | |
| Test Frequency: | NA |
| Routine TAT: | 7 days |
| Stat TAT: | N/A |
| CPT Code(s): | 84442 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |