An apparatus (5500) comprises a detection indicator and a housing. The detection indicator (5806) is configured to change from a first visual indication to a second visual indication upon contact with a fluid based on a characteristic of the fluid. The housing comprises an interior chamber configured to receive the fluid and to provide contact between the fluid and the detection indicator. The housing is configured to removably engage a lumen (5804) inserted into a patient to receive the fluid from the patient through the lumen.