Laboratory Reflex Testing Tests can be reflexive to confirmation tests at the request of provider. A reflex testing agreement must be signed yearly. Common Reflex Testing Requests • Blood Bank — Fetal Screen: If fetal screen is positive, KleihauerBetke is performed. — Antibody identification is performed on all antibody screens that are positive. • Chemistry — Diabetic Urine Screen: If urine protein is negative, random microalbumin is performed. • Cytology — Human Papillomavirus (HPV) testing: If, on liquid specimen (ThinPrep®), atypical squamous cells of undetermined significance (ASC-US) is reported, HPV typing is performed. • Immunology — ReflexAntinuclear Antibodies (ANARX): ANA screen and dsDNA performed. Positive samples referred for six Extractable Nuclear Antigens and Centromere Antibody Panel. — AlllHepatitis testing: If positive, referred for confirmation as indicated per instrument guidelines. — HIV Screen: If positive, refer for confirmation per Instrument guidelines. • Microbiology — Cryptococcus Antigen: If positive, titer is performed. — For pediatric patients seen during the “flu” season, if (nasopharyngeal) rapid influenza and/or rapid respiratory syncical virus (RSV) tests are positive, viral culture is not performed. • Urinalysis — Culture is performed for the following results: • Positive leukocyte esterase • Positive nitrites • 10 WBC/hpf