VENLAFAXINE AND METABOLITE

Synonyms: Effexor; Venlafaxine and Desmethylvenlafaxine, Serum or Plasma
Computer Code: (RVEN)
Specimen Collection: 4 mL blood (red or sodium heparin green top tube). Deliver to Special Chemistry immediately. No gel-barrier tubes.
Minimum Volume: 1.5 mL
Handling Instructions for Offsite Areas: Serum: Allow to clot, centrifuge, remove serum, refrigerate. Min .6 mL serum. Plasma: centrifuge, remove plasma, refrigerate. Min 0.6 mL. Separate serum/plasma from cells within 2 hours of collection.
Reference Values: See reference laboratory report.
Lab Code: Send Out
Requisition: SPEC C
Test Frequency:
Routine TAT: 6 days
Stat TAT: N/A
CPT Code(s): 80338
LCD or NCD:
Methodology Used:
See Addendum XVII