Apolipoprotein B
| Abbrev Code: | APOLB | ||
| Order Code: | LAB4382 | Order Name: | Apolipoprotein B |
| Synonyms: | Low Density Lipoprotein; Low Density Lipoprotein B | ||
| Methodology: | Nephelometry | ||
| CPT Codes: | 82172 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Patient Preparation: | Patient must be fasting 12-14 hours. |
| Causes for Rejection: | Hemolysis |
Processing and Shipping
| Specimen Processing: | Separate serum from cells ASAP. Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 8 hours at room temperature; 8 days refrigerated; 3 months frozen |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 50029 |
Interpretive
| Reference Range: | Female: 55-125 mg/dL; Male: 55-140 mg/dL |
| Use: | Evaluation of risk of coronary heart disease and stroke. Correlates closely with low density lipoprotein cholesterol, as this protein is found in LDL.. |
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