Macroprolactin

Alphabetical Test listing

Macroprolactin-994

Test name:

Macroprolactin

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Tests included:

Prolactin
Monomeric prolactin
Percent macroprolactin

Limitations:

This test order is restricted to endocrinologists.

Patient preparation information:

Do NOT draw sample until patient has been awake for at least two (2) hours.

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Red serum vial/tube, 5 mL

Volume:

2 mL

Minimum volume:

1 mL

Collection instructions:

Immediatley following collection, mix sample by inverting 5 times

Processing instructions:

Allow sample to clot.
Separate serum from cells within 45 minutes of collection.
Transfer specimen to a Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp) before freezing

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp)

Alternate specimen type:

EDTA plasma

Alternate collection container:

Lavender (EDTA), 4mL

Alternate collection instructions:

Immediatley following collection, mix sample by inverting 5 times

Alternate processing instructions:

Separate plasma from cells within 45 minutes of collection.
Transfer specimen to a Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp)

Alternate transport container:

Screw-cap polypropylene frozen transport vial/tube - 4 mL (LabCorp)

Transport and stability:

Frozen (preferred) - 6 months

Refrigerated - 14 days

Ambient - 14 days

Performing lab:

LabCorp (500324): R-LC

Days set up:

Mo - Fr

TAT:

10 days

Method:

Electrochemiluminescence immunoassay (ECLIA)

Reference ranges:

Prolactin	ng/mL
Monomeric Prolactin	ng/mL
Percent Macroprolactin	%

Male: 4.04 - 15.2 ng/mL

Female: 4.79 - 23.3 ng/mL

CPT codes:

84146 x 2

Date created:

09/30/2022

Review date:

09/30/2022