TAMOX - "Tamoxifen and Metabolites, Serum/Plasma"

New Test

Effective Date

09/23/2023

Included in Report

WML Test Directory Update | September 2023

Updated Test

TAMOXIFEN AND METABOLITES, SERUM/PLASMA

Notes

New test activation

Test Details

Mnemonic

TAMOX

Ordering Code

3400774

CPT-4 Codes(s)

80299

Turnaround Time

7 - 9 days

Performed

Varies

Legacy Code

TAMOX

Example Report

Download

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells within 1 hour of collection and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA, K2EDTA (brown top)

Minimum Volume

0.4 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST), Polymer gel separation tube

Stability

Room temperature: 48 hours
Refrigerated: 30 days
Frozen: 30 days

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry

Reference Range

See report

Performing Laboratory

Quest SJC

LOINC Code

Previous:	Updated To:
	Not available

Interface Map for TAMOX

Test Name	Ordering Code	Result Code	Component Name	LOINC Code	AOE Prompt
3400774	TAMOXIFEN AND METABOLITES, SERUM/PLASMA
		3400776	Tamoxifen	13909-7	No
		3400777	N-desmethyltamoxifen	Not available	No
		3400778	Endoxifen	59349-1	No
		3400779	4-Hydroxy-Tamoxifen	59350-9	No

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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TAMOX – “Tamoxifen and Metabolites, Serum/Plasma”