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Test Code DXMTHS Dexamethasone, LC-MS/MS

Important Note

Provider must specify instructions if this test is included in a Dexamethasone Suppression Test

Additional Codes

2003248

Methodology

Liquid Chromatography-Tandem Mass Spectrometry

CPT

80299

Specimen Type

Blood

Preferred Collection Container

SST

Collection Volume

2.0 mL

Minimum Collection Volume

1.0 mL

Collection Instructions

Separate serum or plasma from cells ASAP or within 2 hours of collection.

Transport

Refrigerated

Rejection Criteria

None listed

Specimen Storage and Stability

Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 6 months

Turn Around Time

3-6 days

Lab Department

Referred Testing

EPIC Code

LAB1895

Acceptable Collection Container

LAV (EDTA)

PINK

PST

Testing Volume

0.5 mL

Patient Preparation

Specimen should be collected between 8-10 a.m. or according to ordering provider instructions

Day(s) and Time(s) Performed

Wednesday, Saturday

STAT Availability

No

LOINC

14062-4