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The guidelines are the first to attempt to specify which drugs are appropriate to test for routinely, guideline authors say.
Qualitative testing offers more specificity and sensitivity than current frontline immunoassay-based testing, the group said in its guidelines.
By dropping the cutoff value in urine immunoassay testing to 20 from 100, the researchers reduced the false-negative rate to 2 percent from 47 percent.
Dominion Diagnostics will pay $815,000 to settle allegations by the US Attorney's Office and Vermont that it improperly billed for tests.
A combined biomarker model was more sensitive and specific than a standard test in identifying patients with liver injury after overdosing on paracetamol.
In a recent study, University of Surrey researchers showed the method could detect cocaine and other drugs of abuse with high throughput and good accuracy.
Pacific Toxicology Laboratories has expanded its menu to include fentanyl and its analogues as deaths surge from synthetic opioid overdoses.
The FDA said Magellan failed to submit medical device reports after becoming aware of customer complaints involving discrepancies in the test results.
Quidel's CEO said that the strategic acquisition adds an extensive cardiovascular and toxicology POC offering to the firm's medical diagnostics portfolio.
Prescient said the acquisition will expand its lab capabilities and enhance its relationships with local, regional, and national health insurers.
The accreditation covers postmortem and human performance toxicology analysis, including driving under the influence of drugs and alcohol testing.
Abbott said that a lawsuit it filed Thursday tries to obtain important information from Alere before its acquisition is completed.
The firm's confirmation that it is on track with current and Q3 financial report timing may not be enough to appease would-be acquirer Abbott.
Although the financial filing sheds increased light on Alere's business, the company is asking for an extension to file its second quarter financial statements.