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Test Code LAB12619 Adrenocorticotropic Hormone (ACTH) - Plasma

Department

CHEMISTRY

Collection Requirements

Morning (6 a.m.-10:30 a.m.) specimen is desirable.
Inpatient:
- Collect pre-chilled Lav EDTA tube
- Put specimen immediately on ice and send to lab via tube system-STAT
- Centrifuge and pour off plasma
- Test immediately if able
- If testing is delayed freeze plasma within 15min of centrifugation
Outpatient:
- Collect pre-chilled Lav EDTA tube
- Put specimen directly on ice until centrifugation
- Centrifuge and pour off plasma,
- Immediately Freeze plasma within 15min of centrifugation
- Send to Lab on dry ice
-

Specimen Cannot be warmed at any point during processing


- If ordered STAT, call STAT courier for pickup

Primary Collection Container

Lavender 4 mL (K3EDTA)

Alternate Collection Container

Lavender Microtainer

Transport

Plasma frozen or on ice

Preferred Transport Temperature

Frozen

Processing

Specimen must come on ICE. Centrifuge in temperature controlled centrifuge if possible. Immediatley Pour off 2 aliquotes and freeze immediately.

Stability

Frozen-10 weeks. 2 Hours after being thawed.

Minimum Testing Volume

0.5 mL

Reference Range

7.2-63.3 pg.mL

Methodology

Roche e801 electrochemiluminescence assay; Sandwich principle

Performed

Sunday – Saturday

Reported

2-3 days

CPT Codes

82024

Unacceptable Conditions

Reject if specimen does not come on ice.

Reject if not frozen within 15 minutes after centrifugation.

Specimen thawed before analysis.