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, Kleihauer- — Betke is performed. Antibody identification is performed on all — antibody screens that are positive. Chemistry • Diabetic 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 • Ref lex Antinuclear Antibodies (ANARX): ANA — screen and dsDNA performed. Positive samples referred for six Extractable Nuclear Antigens and Centromere Antibody Panel. All l Hepatitis testing: If positive, referred — for confirmation as indicated per instrument guidelines. HIV Screen: If positive, refer for confirmation per — Instrument guidelines. Microbiology • If positive, titer is — Cryptococcus Antigen: performed. For pediatric patients seen during the season, — “flu” 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 •
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, Kleihauer- Betke is performed. — Antibody identification is performed on all antibody screens that are positive. • Chemistry — Diabetic 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 — Ref lex Antinuclear Antibodies (ANARX): ANA screen and dsDNA performed. Positive samples referred for six Extractable Nuclear Antigens and Centromere Antibody Panel. — All l Hepatitis 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