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Prolactin, Dilution Study
0020724
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Ordering Recommendation
Use this test for patients with prolactin-secreting macroadenomas, where a high-dose hook effect is a consideration.
Mnemonic
PROLAC MAC
Methodology
Quantitative Chemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Serum separator tube or plasma separator tube. Also acceptable: Lithium heparin or EDTA plasma).
Specimen Preparation
Allow specimen to clot completely at room temperature. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube.
Storage/Transport Temperature
Frozen.
Unacceptable Conditions
Remarks
Stability
Ambient: 8 hours; Refrigerated: 7 days; Frozen: 1 month
Reference Interval
Effective August 16, 2021
| Age |
Male |
Female, nonpregnant |
|---|---|---|
| 1-9 years | 2.1-17.7 ng/mL | 2.1-17.7 ng/mL |
| 10 years and older | 2.1-17.7 ng/mL | 2.8-29.2 ng/mL |
Interpretive Data
Compliance Category
FDA
Note
This test is intended for patients with prolactin-secreting macroadenomas, where a high-dose hook effect is a consideration. Pregnancy, lactation, and the administration of oral contraceptives can increase prolactin concentrations.
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
84146
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0020724 | Prolactin, Dilution Study | 20568-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Dilution for high dose hook effect
- Macroadenoma
- Prolactin, Dilution Study
Prolactin, Dilution Study
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