Ustekinumab (Anser UST for GI Patients) to Prometheus
| Abbrev Code: | UST | ||
| Order Code: | LAB8245 | Order Name: | Ustekinumab Level and Antibodies |
| Synonyms: | Stelara | ||
| Methodology: | ELISA | ||
| CPT Codes: | 80299 x1, 82542 x1, 80299 x1, 82542 x1 | ||
| Test Includes: | Concentration and Antibodies | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Mon-Fri; results are reported within 3-7 days of receipt. | ||
| Special Instructions: | A completed requisition must accompany each sample. See Associated Links. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Frozen samples. |
Processing and Shipping
| Specimen Processing: | Allow sample to clot upright for 30 minutes at room temperature. Centrifuge and aliquot 2 mL, 0.5 mL minimum. |
| Shipping Instructions: | Ship samples overnight at room temperature or refrigerated temperature. Protect from temperature extremes. |
| Stability: | 7 days at room temperature; 9 days refrigerated. |
| Test Performed at or Referral Lab | Lab Sendouts (Prometheus Laboratories, Inc.) |
| Referral Lab number: | 3190 |
Interpretive
| Reference Range: | By report. |
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