Vitamin A (Retinol), Serum or Plasma
| CPT Code(s): | 84590 |
| Specimen Required: | Patient Preparation:Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Collect:Green (sodium or lithium heparin), plasma separator tube, or serum separator tube. Also acceptable: Lavender (EDTA) or pink (K2EDTA). Specimen Preparation:Protect from light during collection, storage, and shipment. Separate serum or plasmawithin 1 hour of collection. Transfer 1 mL serum or plasma to an RDL Amber Transport Tube immediately. (Min: 0.2 mL) Avoid hemolysis. Storage/Transport Temperature:Refrigerated. Stability:After separation from cells: Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 1 year |
| New York DOH Approval Status: | This test is New York DOH approved. |
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