On 06/14/2017, abbott point of care was contacted by a customer regarding i-stat crea cartridges that yielded a suspected discrepant crea result of 2.5 mg/dl on a (b)(6) year old female with symptoms of lung and colon cancer.The customer states that on (b)(6) 2017 the same patient had a high crea of 3.0 mg/dl.The patient ws treated on results at the doctors office.There was no additional patient information at the time of this report.The customer states that return product is available for investigation.Date: (b)(6) 2017, (b)(6) 2017 , (b)(6) 2017; collect/test: 1101/1101, 1446/1446, 1450/unk; method: i-stat, i-stat, dr.Office; results: 2.5 mg/dl, 1.2 mg/dl, 0.7 mg/dl.Apoc suspects that the patient may have been taking hydroxyurea however, not confirmed at the time of this report.Per i-stat system manual art: (b)(4).Hydroxyurea is a substance that is known to interfere with the i-stat creatinine assay resulting in increased i-stat creatinine results.There are no injuries associated with this event.At this time, there is no reason to suspect a malfunction exits.The investigation is underway.
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Apoc incident # (b)(4).On (b)(6) 2017 the customer reported unexpected high creatinine results when comparing the i-stat analyzer to a lab analyzer at the doctor's office.On (b)(6) 2017 the incident was raised to a level 2, for investigation.On (b)(6) 2017 the customer new information was received stating that the patient was taking hydroxyurea during the time of the event.As per artwork 714183-00y rev date 07/15/2016, creatinine/crea, hydroxyurea is a known interferent where the i-stat creatinine results will be increased.Recommendation is to use another method.
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