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89060:VALPROIC ACID, FREE | |||||||||
Alias Names: | Depakote / Depakene® / VPA | ||||||||
Methodology: | Immunoassay / Ultrafiltration | ||||||||
Edit Date: | 3/16/2010 | ||||||||
Performed: | Daily | ||||||||
Released: | 24-48 hours after setup at PeaceHealth Laboratories’ reference lab. | ||||||||
CPT Code: | 80164-90 | ||||||||
Specimen Collection Details | |||||||||
Collection: | One 5 mL red top tube. Do not use serum separator tube (SST). Also acceptable: Heparinized plasma. NOTE: Trough levels are most reproducible. |
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Handling: | Allow to clot, centrifuge and separate serum or plasma into a plastic vial. Refrigerate. | ||||||||
Stability: | 72 hours ambient. Refrigerate or freeze for longer storage. | ||||||||
Standard Volume: | 1 mL serum or plasma | ||||||||
Minimum Volume: | 1 mL serum or plasma (does not allow for repeat testing or confirmations). | ||||||||
Transport: | Refrigerated. | ||||||||
Rejection Criteria: | Use of SST.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list . Failure to gain preauthorization may result in denial of coverage. |
Reference Range: | |||||||||||||||||||
Report Limit | 2.0 µg/mL | ||||||||||||||||||
Reference Range | 6.0-20.0 µg/mL | ||||||||||||||||||
Critical Value – High | 40.0 µg/mL | ||||||||||||||||||