Synonyms: Vitamin K1; Phylloquinone; Phytonadione
Computer Code: (RVITK)
Specimen Collection: 7 mL blood (chilled red or lavender top tube.) Place on ice. Protect from light. Send immediately to special chemistry.
Minimum Volume: 3 mL
Handling Instructions for Offsite Areas: Serum: Allow to clot, centrifuge, remove serum, freeze. Min 1.0 mL serum. Plasma: centrifuge, remove plasma, freeze. Protect from light. Min 1.0 mL plasma. Separate serum/plasma from cells within 45 minutes of collection.
Reference Values: See reference laboratory report.
Lab Code: CC REF
Requisition: SPEC C
Test Frequency: NA
Routine TAT: 7 days
Stat TAT: N/A
CPT Code(s): 84597
Methodology Used:
See Addendum XVII