Test Details
Mnemonic
PENTO
Ordering Code
1750570
CPT-4 Code(s)
80345 (G0480)
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
Prefers sleep: 10 – 15 µg/mL
Comatose reflexive: 15 – 20 µg/mL
Comatose areflexive: 25 - 30 µg/mL
Comatose with circulatory
and/or respiratory difficulty: 40 – 50 µg/mL
Toxic >50
Comatose reflexive: 15 – 20 µg/mL
Comatose areflexive: 25 - 30 µg/mL
Comatose with circulatory
and/or respiratory difficulty: 40 – 50 µg/mL
Toxic >50
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No