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Test Code LABBACL Baclofen, Serum

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic Mayo Test ID


Specimen Required

Draw blood in a plain, red-top tube(s). (Serum gel tube is not acceptable.) Spin down and send 1 mL of serum refrigerate in a preservative-free plastic vial.

Method Name

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

Reporting Name

Baclofen, Serum

Specimen Type

Serum Red

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 14 days
  Frozen  120 days
  Ambient  14 days

Reject Due To

Hemolysis NA
Lipemia NA
Icterus NA
Other Serum gel tube (SST)

Reference Values

Reporting limit determined each analysis.


Units: mcg/mL


Serum concentrations required for therapeutic effects reportedly range from 0.08 - 0.40 mcg/mL.

Day(s) and Time(s) Performed

Monday - Sunday

Analytic Time

3 days

Performing Laboratory

NMS Labs

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FBACS Baclofen, Serum 9353-4


Result ID Test Result Name Result LOINC Value
Z3532 Baclofen 9353-4