Vitamin B1 (Thiamine), Plasma
| CPT Code(s): | 84425 |
| Specimen Required: | Patient Preparation: Collect:Green (sodium or lithium heparin), lavender (EDTA), plasma separator tube, or pink (K2 EDTA). Specimen Preparation:Separate plasma from cells within one hour of collection. Protect from light within one hour of collection, and during storage and transport. Transfer 3 mL plasma to an RDL Amber Transport Tube. (Min: 0.2 mL) Storage/Transport Temperature:Frozen. Separate specimens must be submitted when multiple tests are ordered. Stability:After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen at -20°C: 6 months |
| New York DOH Approval Status: | This test is New York DOH approved. |
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