Prolactin, Dilution Study
Test Mnemonic
PROLM
CPT Codes
- 84146 - QTY (1)
LOINC ®
Not Available
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Frozen | Allow specimen to clot completely at room temperature. Separate serum from cells and transfer into standard aliquot tube. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Lavender) | Frozen | Separate plasma from cells and transfer into standard aliquot tube. | |
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Frozen | Separate plasma from cells and transfer into standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | After separation from cells: 1 month |
| Refrigerated | After separation from cells: 7 days |
| Ambient | After separation from cells: 8 hours |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Chemiluminescence Immunoassay (CLIA) |
Reference Range
| Prolact Macroadenoma | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Male | 1 Years | 9 Years | Normal | 2.1 - 17.7 | ng/mL | Male | 10 Years | 99 Years | Normal | 2.1 - 17.7 | ng/mL | Female | 1 Years | 9 Years | Normal | 2.1 - 17.7 (Nonpregnant) | ng/mL | Female | 10 Years | 99 Years | Normal | 2.8 - 29.2 (Nonpregnant) | ng/mL |
Special Info
Allow serum specimen to clot completely at room temperature. This test is New York DOH approved.
Clinical Info
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.