Macroprolactin
Test Mnemonic
MACPRO
CPT Codes
- 84146 - QTY (2)
Aliases
- Macroprolactin by PEG
- Macroprolactin by PEG
Includes
- Prolactin
- Monomeric Prolactin
- Percent Macroprolactin
Performing Laboratory
LabCorp
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Frozen | Patient must be awake for at least two hours before collection. Separate serum from cells ASAP or within 45 minutes of collection and transfer into standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | No additive (Red) | Frozen | Patient must be awake for at least two hours before collection. Separate serum from cells ASAP or within 45 minutes of collection and transfer into standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. | |
| 2 mL | Plasma | Sodium or Lithium heparin (Green) | Frozen | Patient must be awake for at least two hours before collection. Separate plasma from cells ASAP or within 45 minutes of collection and transfer into standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | After separation from cells: 6 months |
| Refrigerated | After separation from cells: 14 days |
| Ambient | After separation from cells: 14 days |
Days Performed
Varies
Turnaround Time
6 - 11 days
Methodology
| Name | Description |
|---|---|
| Electro Chemiluminescence Immunoassay (ECLIA) |