The initial reporter stated they received discrepant results for two patient urine samples tested with albt2 tina-quant albumin gen.2 on a cobas 6000 c501 module.The first sample initially resulted in a microalbumin value of 6.76 mg/dl and it repeated as 0.35 mg/dl.The field service engineer checked the gear pump pressure, the probe, and probe dispensing.The probes were cleaned and adjustments were checked.The wash station and tubing integrity were also checked.The lamp and cuvettes were replaced.On (b)(6) 2024, the customer encountered the issue again with a second sample.This second sample initially resulted in a microalbumin value of 11.26 mg/dl.The sample was repeated twice, resulting in values of 0.76 mg/dl and 0.13 mg/dl.
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