MACROPROLACTIN

Test Code

500324

CPT Codes
84146(x2)

Includes

"Prolactin, serum (ICMA); monomeric prolactin (ICMA); percent macroprolactin
"

Preferred Specimen

"Serum (preferred) or plasma
1 mL
"

Minimum Volume

"0.2 mL
"

Instructions

"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.
"

Transport Container

"Gel-barrier tube, red-top tube, or lavender-top (EDTA) tube
"

Transport Temperature

Frozen

Specimen Stability

"
Room temperature---1 day

Refrigerated-----1 day

Frozen------200 days
"

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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.