Abbrev Code:PROLAC   
Order Code:LAB531Order Name:Prolactin
Methodology:Roche: Electrochemiluminescence immunoassay (ECLIA)
Vista: Chemiluminescence
CPT Codes: 84146 x1, 84146 x1
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Collection Instructions:Chemistry Tests Containers Chart
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in prolactin levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: 5 days at room temperature; 14 days refrigerated; 6 months frozen. Freeze only once.
Vista: 24 hours at room temperature; 7 days refrigerated. 
Test Performed at or Referral Lab Chemistry  (Grand Itasca, Roche-UMMC East)


Reference Range:
Roche ng/mL
0-30 d 1.1-470
1-11 mo 5.2-60
1-19 y 3-25
Male, 19 & older 4.04-15.2
Female, 19 & older 4.79-23.3
Females ng/mL      
    1-9 y 2-18
    10 y & older (nonpregnant) 3-27
    Pregnant females 8-347
Males: 1 y & older 2-18
Reference range not established on patients under 1 year of age.
Grand Itasca ng/mL
Males 2.64-13.13 
Females (Pre-menopausal) 3.34-26.72 
Females (Post-menopausal) 2.74-19.64 
Use:Evaluation of pituitary hyperfunction.

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