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GLUCOSE-6-PHOSPHATE DEHYDROGENASE SCREEN (089-3169) Synonyms: G6PD Screen CPT 4 Code: 82960 Test Order Mnemonic: G6PDSCR Applies To: Screening test for detecting G6PD Deficiency. Lab: Hematopathology Request Form: Hematology B Specimen: Blood Container: EDTA (Lavender top tube) or Heparin (Green top tube) accepted. Newborns - PKU card. Min Volume: Adults: 3 mL blood; Newborns: PKU card (2 circles) Patient Preparation: If patient is to receive RBC transfusion, collect before transfusion. Collection: Routine venipuncture. Transport to lab within 30 minutes. Storage Instructions: Store in refrigerator. Special Instructions: Pediatric patients: Follow instructions on PKU cards; Adults: Transport to lab within 30 minutes of collection. Cause For Rejection: Clotted, collected in wrong tube, improperly stored and/or transported, identification error. Availability: Samples are accepted 24 hours per day at Sample Management, 5.136 McCullough. Turnaround Time: 24 hours, Monday - Friday Reference Range: Normal = normal G6PD activity; no evidence of deficiency. Borderline = may indicate G6PD deficiency, recommend confirmation with quantitative assay. Deficient = markedly G6PD activity; consistent with G6PD deficiency, recommend confirmation with quantitative assay. Critical Values: Deficient Test Method: Spot Fluorescence Interfering Substances: Transfusions, clotted specimen, improper transportation (See Special Instructions). Reviewed 10/17/2006 by L. Hinson, MT(ASCP) |
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