Tests
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Complement Component 4 (C4)
| Test Name: | Complement Component 4 (C4) | ||
| Epic Order Code: | LAB151 | ||
| CPT Code: | 86160 | ||
| Specimen(s) Type: | Plasma or Serum, 1.0 mL | ||
| Acceptable Container(s): |    Tops are light green, gold and red. | ||
| Testing Schedule: | Monday-Friday | ||
| Turn Around Time: | STAT: NA | ||
| Routine: 48-72 hours | |||
| Collection Information: | No special patient preparation is required. Obtain by standard collection procedures. | ||
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. | ||
| Reference Client: | If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 48 hours. Do not freeze sample. | ||
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient volume, incorrect/delay in transport. | ||
| Reference Range: | 14 - 40 mg/dL | ||
| Additional Information: | |||