Phospholipids, Serum
| Phospholipids, Serum | | | |
| Number | | 001727 |
| CPT | | 84311 |
| Specimen | | Serum |
| Volume | | 1 mL |
| Minimum Volume | | 0.1 mL |
| Container | | Red-top tube |
| Collection | | To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. |
| Storage Instructions | | Refrigerate at 2°C to 8°C for up to 1 month. Freeze if longer storage is needed. |
| Patient Preparation | | Patient should fast for 12-14 hours. |
| Reference Interval | | 150-250 mg/dL |
| Use | | Abnormal phospholipid levels have been associated with obstructive jaundice, abeta- or hypobetalipoproteinemia, Tandier disease, and LCAT deficiency.1 |
| Limitations | | Marked increase in ascorbic acid may reduce the measured value of phospholipids. This procedure measures lecithin, sphingomyelin, and lysolecithin phospholipids. It does not measure cephalin. |
| Methodology | | Spectrophotometry (4-aminoantipyrine) |
| Footnotes | | - Henry JB, Clinical Diagnosis and Management, Philadelphia, PA: WB Saunders Co, 1984, 189
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