Gamma-Hydroxybutyric Acid, Screen with Reflex to Confirmation
| Abbrev Code: | GHB | ||
| Order Code: | LAB1223 | Order Name: | Gamma-Hydroxybutyric Acid w/Reflex to Confirm |
| Order Instructions: | Positive drug screen results are confirmed. | ||
| Synonyms: | GHB | ||
| Methodology: | Qualitative gas chromatography-Mass Spectrometry/Quantitative gas chromatography-Mass spectrometry | ||
| CPT Codes: | 80307 x1, 80307 x1, 80375 x1, 80375 x1 | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Sun-Sat; results are reported within 5-12 days. | ||
| Compliance: | Performed by a non-ARUP laboratory. |
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Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 10 mL |
| Minimum\Peds Volume: | 5 mL |
| Container: | Red (no gel) Alternate Containers: Purple (EDTA) |
| Causes for Rejection: | Collected in gel or citrate buffered tubes. |
Processing and Shipping
| Specimen Processing: | Centrifuge and separate from cells ASAP or within 2 hours of collection. Aliquot 5 mL, 2.4 mL minimum. serum or plasma. Store in refrigerator.
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 1 month at room temperature or refrigerated; 2 months frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 0091193 |
Interpretive
| Reference Range: | By report. |
| Use: | Useful for general screening to assess drug abuse. |
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