Test Details
Mnemonic
PHENY
Ordering Code
1750040
CPT-4 Code(s)
80185
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST)
Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 14 days
Refrigerated: 7 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography
Reference Range
Therapeutic: 10 – 20 µg/mL
Toxic: >30 µg/mL
Toxic: >30 µg/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No