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Macroprolactin

CPT: 84146(x2)
Updated on 04/5/2021

Test Includes

Prolactin; monomeric prolactin; percent macroprolactin

Prolactin; monomeric prolactin; percent macroprolactin


Expected Turnaround Time

5 - 10 days


Related Documents


Specimen Requirements


Specimen

Serum (preferred) or plasma, frozen


Volume

2 mL

1 mL

2 mL


Minimum Volume

1 mL (Note: This volume does not allow for repeat testing.)


Container

Gel-barrier tube, red-top tube, serum transfer tube, green-top (heparin) tube, or lavender-top (EDTA) tube


Collection

Do not draw sample until patient has been awake for at least two hours. Separate serum or plasma from cells within 45 minutes of collection. Transfer specimen to plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.


Storage Instructions

Freeze.


Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

6 months

Temperature

Period

Room temperature

2 days

Refrigerated

2 days

Frozen

200 days

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

6 months


Test Details


Methodology

Electrochemiluminescence immunoassay (ECLIA)

Immunochemiluminometric assay (ICMA); PEG precipitation; An analyte-specific reagent (ASR) is used in this test.

Electrochemiluminescence immunoassay (ECLIA)


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