A-sample

British  

noun

1. the primary urine or blood sample used in doping tests in professional sports; if the A-sample tests positive, the B-sample is tested to confirm or invalidate the results See also B-sample

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Example Sentences

New Zealand Rugby Players’ Association chief executive Rob Nicol said it was not yet clear why Tuipulotu’s A-sample had tested positive.

From Washington Times

The Olympic Council of Ireland said the fighter is provisionally suspended from competition after an "adverse analytical" finding in an A-sample.

From BBC

The club confirmed in a short statement on their website that Touré had been informed by the Football Association that an A-sample provided by him returned positive.

From The Guardian

The 32-year-old rider was provisionally suspended by the International Cycling Union after Clenbuterol was found in his A-sample following an in-competition test during the Dwars Door Vlaanderen race in Belgium in March.

From The Guardian

Li Fuyu's positive A-sample result has been confirmed.

From The Guardian