Test Details
Mnemonic
MAPRL
Ordering Code
3802700
CPT-4 Code(s)
84146 x 2
Specimen Information
Patient Preparation
Do not take vitamins or supplements containing biotin (vitamin B7) for 12 hours before draw.
Collect
Red top
Specimen Preparation
Centrifuge, separate and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum separator tube (SST)
Minimum Volume
0.6 mL
Transport Temperature
Refrigerated
Rejection Criteria
Gross hemolysis
Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 90 days
Refrigerated: 7 days
Frozen: 90 days
Methodology
Polyethylene Glycol (PEG) Precipitation followed by Electrochemiluminescent Immunoassay
Reference Range
Unprecipitated Prolactin/Total Prolactin Ratio: >50%
Total Prolactin:
Males:
≤18 years: Not established
>18 years: 4.0-15.2 ng/mL
Females:
≥18 years: Not established
>18 years: 4.8-23.3 ng/mL
Percent of the precipitated (complexed) prolactin
fracton of the total prolactin
<50% (considered negative for macroprolactin)
Total Prolactin:
Males:
≤18 years: Not established
>18 years: 4.0-15.2 ng/mL
Females:
≥18 years: Not established
>18 years: 4.8-23.3 ng/mL
Percent of the precipitated (complexed) prolactin
fracton of the total prolactin
<50% (considered negative for macroprolactin)
Performing Laboratory
Mayo Clinic Laboratories
New York DOH Approval Status
Yes