A random urine sample was received for routine urinalysis from a 62-year-old patient who had undergone multiple surgeries 9 months earlier to treat metastatic bladder cancer. The patient was at that time prescribed amlodipine, fosinopril, omeprazole, pravastatin, Prosed™ DS (Ferring Pharmaceuticals), and VESIcare (Astellas Pharma).
- What is responsible for the unique color of this urine sample (Fig. 1)?
- Will the color interfere with urinalysis?
- Could the cause of the color affect other laboratory tests ordered for this patient?
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