|Available:||Mon - Fri, first shift only|
|Turnaround:||0 - 48 hours|
|Container:||4 mL red top tube|
|Temperature:||Keep tubes stoppered and upright at all times.|
|Rejection:||Blood samples that have been stored at room temperature for longer than 8 hours.|
|Normal:||Newborn (1-7 days) 30-495 ng/mL. Prolactin levels decline during the first 2 months to those observed in prepubertal and pubertal children and adults. Children and Adults Male 3-18 ng/mL Female 2-24 ng/mL|
|Uses:||Prolactin initiates and maintains lactation in females. It also plays a role in regulating gonadal function in both males and females. Exercise, stress, and sleep can cause transient increases in prolactin levels.|
|Limitations:||Pregnancy, lactation, and the administration of oral contraceptives can increase prolactin concentrations.|
|Method:||Competitive chemiluminescence immunoassay|
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