Prolactin
| Abbrev Code: | PROLAC | ||
| Order Code: | LAB531 | Order Name: | Prolactin |
| Synonyms: | PRL | ||
| Methodology: | Electrochemiluminescence immunoassay (ECLIA) | ||
| CPT Codes: | 84146 x1, 84146 x1 | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Green (lithium heparin, gel) Alternate Containers: Green (lithium heparin, no gel), Red (no gel), Red (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: | 5 days at room temperature; 14 days refrigerated; 6 months frozen. Freeze only once. |
| Test Performed at or Referral Lab | Chemistry (Roche-Grand Itasca, Roche-UMMC East) |
Interpretive
| Reference Range: |
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| Use: | Evaluation of pituitary hyperfunction. |
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