Prealbumin
| Abbrev Code: | PREALB | ||
| Order Code: | LAB115 | Order Name: | Prealbumin |
| Synonyms: | TBPA; Thyroxine Binding Prealbumin; Transthyretin | ||
| Methodology: | Endocrine: Immunoturbidmetry
St Johns/St Joseph/Woodwinds: CMIA All other sites: Nephelometric |
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| CPT Codes: | 84134 x1 | ||
| Turnaround Time: | Endocrine: Performed Mon-Fri; results are reported within the same day.
All other sites: Performed and reported hours/day. |
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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 - Red (no gel) Alternate Containers: Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel) |
| Causes for Rejection: | Gross hemolysis or lipemic samples. Samples not separated from cells within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | After separation from cells: 6 months refrigerated; 1 year frozen. |
| Test Performed at or Referral Lab | Endocrine (Range, UMMC-West Bank, UMMC-East Bank, Lakes, Ridges, Northland, Southdale, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's, St. John's, Woodwinds) |
Interpretive
| Reference Range: |
Grand Itasca (all ages): 17-34 mg/dL
St Johns/St Joseph/ Woodwinds: 19-38 mg/dL All other sites:
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| Use: | Assessment of nutritional status; evaluation of total parenteral nutrition. |
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