PROLACTIN, DILUTION STUDY

Message

This test is not currently orderable in Epic. Please contact chemistry laboratory if dilution studies are required.
This test is indicated in patients with large pituitary tumors or patients where the clinical suspicion of elevated prolactin in high. It is restricted
to specialty providers including neurosurgeons & endocrinologists. Please order "PROLACTIN" for routine prolactin testing

Test Code

PENDING

CPT Codes
84146 x2

Preferred Specimen

One 4.5 mL Light Green top tube
Pediatric: One light green top microtainer

Other Acceptable Specimens

Dark Green top, Red top, or Gold top tube

Instructions

Sample must be centrifuged within two hours of collection. Serum/plasma must be removed from the red cells and put into aliquot tubes following centrifugation.

Transport Temperature

Refrigerated

Specimen Stability

Ambient: 24 hours Refrigerated: 7 days Frozen: 12 months

Methodology
Chemiluminescent Immunoassay on ARCHITECTi

Setup Schedule

Sunday-Saturday

Reference Range

Age	Female (ng/mL)	Male (ng/mL)
< 30 days	13-213	13-213
30 days- 12 months	6-114	6-114
1-19 years	4.0-23.0	4.0-23.0
≥20 years	5.2-26.5	3.5-19.4

Clinical Significance

Some therapeutic drugs alter prolactin levels. Prolactin levels vary diurnally.

Performing Laboratory
West Virginia University Hospital, Inc.

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.