FENTM – “Fentanyl and Metabolite, Serum/Plasma” replaced by FENMS – “Fentanyl and Metabolite, Serum/Plasma”

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Inactivated/Replace Test

Effective Date

05/04/2026

Included in Report

WML Test Directory Update | April 2026

Replacement Test

FENTANYL AND METABOLITE, SERUM/PLASMA

Inactivated Test Details

Mnemonic

FENTM

Ordering Code

3300120

CPT-4 Codes(s)

80354 (G0480)

Replacement Test Details

Mnemonic

FENMS

Ordering Code

3300446

CPT-4 Codes(s)

80354 (G0480)

Turnaround Time
8 - 10 days
Performed
Varies
Legacy Code
FENMS
Example Report
Download

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 2.0 mL serum refrigerated in a screw capped plastic vial.

Alternate Specimen

Plasma: EDTA

Minimum Volume

0.7 mL

Transport Temperature

Refrigerated

Rejection Criteria

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

Stability

Room temperature: 7 days
Refrigerated: 30 days
Frozen (-20°C): 30 days

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry
more

Reference Range

See report
more

Performing Laboratory

NMS Labs
more

New York DOH Approval Status

Yes
more

Interface Map for FENMS

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Fentanyl and Metabolite, Serum/Plasma3300446
3300130Fentanyl3636-8No
3300140Norfentanyl11074-2No
33004444-ANPPNo

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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