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Test Code Epic LAB2360 Clomipramine, Serum

Additional Codes

SQ code CLOMPM

Mayo code CLOM

Reporting Name

Clomipramine, S

Specimen Type

Serum Red

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Determining whether a poor therapeutic response is attributable to noncompliance

 

Monitoring serum concentration of clomipramine and norclomipramine to assist in optimizing the administered dose


Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube: Red top (Serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Collect specimen immediately before next scheduled dose (minimum 12 hours after last dose).

2. Centrifuge and aliquot serum into a plastic vial. Serum must be separated from cells within 2 hours of collection.


Specimen Minimum Volume

0.25

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  7 days

Reference Values

Clomipramine and norclomipramine

Therapeutic concentration: 230-450 ng/mL

 

Note: Therapeutic ranges are for specimens collected at trough (ie, immediately before next scheduled dose). Levels may be elevated in non-trough specimens.

Day(s) Performed

Monday, Wednesday, Friday

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

80299

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CLOM Clomipramine, S 43127-0

 

Result ID Test Result Name Result LOINC Value
80902 Clomipramine 3491-8
7983 Norclomipramine 3536-0
7984 Clomipramine + Norclomipramine 3493-4

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Method Description

The tricyclic antidepressants are extracted from serum using a solvent to precipitate proteins. The supernatant is removed, and analysis is by liquid chromatography tandem mass spectrometry.(Unpublished Mayo method)

Report Available

3 to 5 days

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.

Secondary ID

80902