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Adrenocorticotropic Hormone

Adrenocorticotropic Hormone

Alternate Test Name

ACTH; Corticotropin

Epic Mnemonic
Sunquest Mnemonic

LAB511
ACTH

Category

Sendouts

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Test Performance Schedule

Monday, Wednesday, Friday

Result Availability

1 – 3 days

Specimen Required

Container

Lavender top (EDTA) tube, pre-chilled

Volume

Pref. Vol.: 3.0 mL plasma
Min. Vol.: 1.0 mL plasma

Collection Instructions

• Collect using pre-chilled EDTA tube
• Routine venipuncture
• Immediately after collection, gently invert tube 5-10 times
• Place collection tube in container of ice slush (ice and water mixture)
• Promptly centrifuge 15 minutes
• Transfer plasma to a plastic tube and freeze within 4 hours of collection

Transportation Instructions

Frozen

Stability

After separation from cells:
• Room temperature: Unacceptable
• Refrigerated: Unacceptable
• Frozen: 4 weeks

Causes for Rejection

 

Remarks

• Only use pre-cooled sample tubes
• Morning collection (6 am - 10 am) is optimal

CPT Codes

82024

Effective/Revised

8/15/2019

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