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GENERAL INFORMATION

 FORMS - LAB

 

TEST INFORMATION LISTS

COLLECTION GUIDES & INSTRUCTIONS

CONSULTING PHYSICIANS

MAYO CLINIC LABORATORIES

     New and Updated Tests

Mayo Clinic Laboratories

Test Code PRL PROLACTIN

Methodology

Chemiluminescent Immunometric Assay

Useful in the evaluation of pituitary tumors, amenorrhea, galactorrhea, infertility, and hypogonadism. Also useful for monitoring therapy of prolactin-producing tumors.

Specimen Requirements

 

Submit only 1 of the following specimens:

 

Preferred:

Serum

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of serum

Collection Instructions: Draw blood after patient has been awake for 3 to 4 hours. Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

 

Alternate:

Serum

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 1 mL (minimum volume: 0.5 mL) of serum

Collection Instructions: Draw blood after patient has been awake for 3 to 4 hours. Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

 

Alternate:

Plasma

Container/Tube: Green-top (lithium heparin) tube(s)

Specimen Volume: 1 mL (minimum volume: 0.5 mL) of plasma

Collection Instructions: Draw blood after patient has been awake for 3 to 4 hours. Spin down within 4 hours of draw.

Note: Label specimen appropriately (plasma).

Day(s) Test Set Up

Monday through Friday

Reference Values

Males: 4-18 ng/mL

Females (nonpregnant): 3-19 ng/mL

Performing Laboratory

Logan Health Medical Center-Chemistry

Test Classification and CPT Coding

84146

Specimen Transport Temperature

Refrigerate