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Zolpidem, serum or plasma-994

Test info

Test name:

Zolpidem, serum or plasma

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Ambien
Edluar
Intermerzzo

Useful for:

Therapeutic drug management

Specimen

Specimen type:

Serum

Collection container:

Red serum vial/tube - 5 mL

Volume:

3.0 mL

Minimum volume:

0.6 mL

Processing instructions:

Allow sample to clot
Spin
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Alternate specimen type:

Heparin plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate specimen volume:

3.0 mL

Alternate processing instructions:

Spin
Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as the appropriate plasma type, within two (2) hours of sample collection

Transport and stability:

Ambient - 3 days

Refrigerated (OK) - 3 days

Frozen (OK) - 2 weeks

Reason for rejection:

Gel-barrier tubes

Performance

Performing lab:

MedTox Laboratories Inc (378) via LabCorp (808135): R-NX

Days set up:

Mo, We, Fr

TAT:

10 days

Method:

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Clinical and Interpretive info

Reference ranges:

Expected hypnotic Zolpidem concentrations in patients taking recommended daily dosages: up to 250 ng/mL

Results that require action (critical):

Toxic range has not been established

Billing

CPT codes:

80368

LOINC code:

Result 6953-4

Tracking

Date created:

05/21/2019

Revised date:

04/13/2022

Review date:

04/11/2022