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ACTH STIMULATION CORTISOL 0 MINUTES

Mnemonic

CORTSTIM 0

Synonym

Baseline Cortisol, 0 Minutes

Guidelines

Part of assessing ACTH Stimulation Cortisol for 0, 30, 60 Minutes

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

1.0 mL Serum

Minimum Volume

0.3 mL Serum (0.8 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Plasma or grossly hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient (18-26°C): 8 hours; Refrigerated (2-8°C): 48 hours; Frozen (≤ -20°C): 2 months

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

ADULT:     3.1-22.4 µg/dL

For day active persons:
Morning:     4.3-22.4 µg/dL
Evening:      3.1-16.7 µg/dL

Comments

The evening sample is typically ≥50% of the morning sample.

CPT Codes

86161

Last Updated: Thursday, January 5, 2017 03:40:28 AM


Client Services: 503-413-1234