Tests
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Blood Urea Nitrogen (BUN)
| Test Name: | Blood Urea Nitrogen (BUN) | ||
| Epic Order Code: | LAB140 | ||
| CPT Code: | 84520 | ||
| Specimen(s) Type: | Plasma or Serum | ||
| Acceptable Container(s): |   Tops are light green and gold | ||
| Testing Schedule: | 24 hrs/day, 7 days/week | ||
| Turn Around Time: | STAT: 1 hour | ||
| Routine: 2 hours | |||
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. | ||
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. | ||
| Reference Clients: | If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove plasma/serum from the red cells. Store and transport at 2-8° C. Specimen must be received in the lab within 24 hours. | ||
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport. | ||
| Reference Range: | 0 - 1 yr: | 4.0 - 19.0 mg/dL | |
| 1 - 18 yrs: | 5.0 - 18.0 mg/dL | ||
| 18 - 60 yrs: | 6.0 - 20.0 mg/dL | ||
| > 60 yrs: | 8.0 - 23.0 mg/dL | ||
| Additional Information: | Test included in BMP, CMP and Renal Panel | ||