MIRTAZAPINE, SERUM/PLASMA

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This test was updated on 07/13/2026. Click here to view the changes.

Test Details

Mnemonic

MIRTZ

Ordering Code

3505085

CPT-4 Code(s)

80335

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA

Minimum Volume

1.0 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST), Plasma separator tube (PST)

Stability

Room temperature: 30 days
Refrigerated: 30 days
Frozen (-20°C): 30 days

Methodology

Liquid Chromatography/Tandem Mass Spectrometry
more

Reference Range

See report
more

Performing Laboratory

NMS Labs
more

New York DOH Approval Status

Yes
more
Turnaround Time
5 - 8 days
Performed
Varies
Legacy Code MIRTAZNM
Example Report
Download

Resources

Interface Map for MIRTZ

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Mirtazapine (Remeron), Serum/Plasma3505085
3505085Mirtazapine (Remeron), Serum/Plasma17283-3No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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