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Citalopram-1797

Test info

Test name:

Citalopram

Test number:

1797

Excellian order number:

82492.09

Abbreviation:

CLP

Alternate names:

Celexa®

Tests included:

Citalopram
Desmethylcitalopram

Useful for:

Therapeutic drug management

Specimen

Specimen type:

Serum

Collection container:

Red serum vial/tube, 5 mL

Volume:

2.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Trough levels are most reproducible

Processing instructions:

Allow sample to clot
Spin within two (2) hours of sample collection
Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum

Transport container:

Serum/plasma transfer vial/tube (MedTox)

Alternate specimen type:

Sodium heparin (Na hep) plasma

Alternate collection container:

Dk green Sodium heparin (Na hep), no gel

Alternate collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Alternate processing instructions:

Spin within two (2) hours of sample collection
Transfer plasma to a Serum/plasma transfer vial/tube (MedTox), labelled as Na hep plasma

Transport and stability:

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

Reason for rejection:

Gel-barrier tubes are not recommended

Performance

Performing lab:

MedTox Laboratories (441): R-MX

Days set up:

Tu, Fr

TAT:

3 - 4 days

Method:

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

Clinical and Interpretive info

Reference ranges:

<120.0 ng/mL

Results that require action (critical):

Not established

Billing

CPT codes:

G0480

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

LOINC code:

Result 34635-3

Tracking

Date created:

11/30/2001

Revised date:

12/28/2023

Review date:

12/28/2023