Darunavir level 
Mnemonic MISC
CPT 80299
Test Code 3509949
Test Includes  
Specimen Serum
Volume 2.0 mL
Container Plain Red Top Tube, Do NOT use SST.
Special Instructions Centrifuge* Transfer serum to Purple Screw Cap Tube. FREEZE IMMEDIATELY and maintain frozen until tested.
Specimen Prep  
Storage Frozen
Transport Temp Frozen
Stability Rm Temp 24 hours
Stability Refrig Unacceptable
Stability Frozen Preferred
Methodology HPLC
Rejection Criteria Severe hemolysis, thawed samples for greater than 24 hours. 
Reference Value By Report 
Performed/TAT Monday - Friday   7 days