Prolactin
| Sunquest Code: | PROLAC | ||
| Epic Code: | LAB531 | Epic Name: | Prolactin |
| Synonyms: | PRL | ||
| Methodology: | Chemiluminescence | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Red or gold (gel), St Johns/St Joseph/Woodwinds-Green (lithium heparin, no gel) (Red (no gel), St Johns/St Joseph/Woodwinds - Red (no gel)) |
| Contraindications: | Large doses of biotin (10 mg or more per day) may cause clinically significant interference in prolactin levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Stability: Room temperature - 24 hours; refrigerated - 7 days. |
| Test Performed at or Referral Lab | Chemistry (UMMC-East Bank, Grand Itasca, St. Joseph's) |
Interpretive
| Reference Range: |
Reference range not established on patients under 1 year of age.
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| Use: | Evaluation of pituitary hyperfunction. |
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