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Performing Lab(s)
Memorial-Belleville only
Methodology
Electrochemiluminescent Immunoassay
Specimen Requirement (s)
Specimen: plasma (preferred) or serum
Type: Container/Tube: Mint green (LiHep) tube (preferred), SST (gold or marble) or plain red top
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL of plasma
Collection Instructions: Deliver to lab immediately.
Lab instructions:
- Allow serum specimen to clot completely at room temperature before centrifuging.
- Separate serum or plasma from cells ASAP
.
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: No
Routine: less than 24 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Analyte Stability:
Ambient: 8 hours
Refrigerated: 5 days
Frozen: 6 months
Reference Values
Male: <0.15 ng/mL
Female:
Follicular: <0.20 ng/mL
Luteal: 4.1 – 14.5 ng/mL
Ovulation: <4.1 ng/mL
1st Trimester: 11.0 – 44.0 ng/mL
2nd Trimester: 25.0 – 83.0 ng/mL
3rd Trimester: 59.0 – 214.0 ng/mL
Postmenopausal: <0.13 ng/mL
Literature Reference:
Roche Diagnostics
CPT/LOINC Codes
84144
Stability (from collection to initiation)
Transport temperature: Ambient to lab