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. |
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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