Phenobarbital

Alphabetical Test listing

Phenobarbital-207

Test name:

Phenobarbital

Test number:

207

Excellian order number:

80184.0

Abbreviation:

PHB

Alternate names:

Luminal

Specimen type:

Lithium heparin (Li hep) plasma

Collection container:

Lt green plasma separator (PST)

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Peak specimens should be collected 6 - 12 hours post ingestion
Trough specimens should be collected prior to the next dose

Processing instructions:

Spin within two (2) hours of sample collection

Transport container:

Lt green plasma separator (PST)

Alternate specimen type:

Serum

Alternate collection container:

Gold serum separator (SST) tube

Alternate collection instructions:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Alternate processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Alternate transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred) - 7 days

Ambient - 7 days

Frozen - 1 year

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Inappropriate timing of collection
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 day

Method:

Kinetic interaction of microparticles in a solution (KIMS)

Reference ranges:

10.0 - 30.0 µg/mL

Results that require action (critical):

> 50.0 µg/mL

CPT codes:

80184

Date created:

11/30/2001

Revised date:

12/30/2022

Review date:

01/12/2024