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Cortisol, LC/MS-16057

Test info

Test name:

Cortisol, LC/MS

Test number:

16057

Excellian order number:

LAB16057

Abbreviation:

CORLCMS

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Red serum vial/tube, 5 mL

Volume:

0.5 mL

Minimum volume:

0.1 mL

Collection instructions:

Immediately following collection, mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within 45 minutes of sample collection
Transfer serum to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as serum
Freeze

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Alternate specimen type:

Plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Lavender (EDTA), 4mL

Alternate processing instructions:

Spin within 45 minutes of sample collection
Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp) labelled appropriate plasma
Freeze

Transport and stability:

Frozen (preferred) - 3 years

Freeze/thaw cycles - stable x6

Refrigerated - 7 days

Ambient - 7 days

Performance

Performing lab:

LabCorp Endocrine Sciences (500154); R, LC

TAT:

4 - 10 days

Method:

High-pressure liquid chromatography (HPLC) tandem mass spectrometry

Clinical and Interpretive info

Reference ranges:

See report

Billing

CPT codes:

82533

Tracking

Date created:

08/13/2026

Review date:

08/13/2026