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G6PD SCREEN: (089-3169)
Clinical Indication:

Screening test for detecting G6PD Deficiency.
Test Mnemonic:

G6PDSCR
Methodology:

 Spot Fluorescence
Performed:

 Samples are accepted 24 hours per day at Sample Management, 5.136 McCullough.
Turnaround Time:

 24 hours, Monday - Friday
Specimen Requirements: Patient Preparation: If patient is to receive RBC transfusion, collect before transfusion.

Collect: EDTA (Lavender top tube) or Heparin (Green top tube), or ACD  accepted.  Newborns - PKU card.

Min Volume: Adults: 3 mL blood; Newborns: PKU card (2 circles)

Specimen Preparation: Pediatric patients: Follow instructions on PKU cards; Adults: Transport to lab within 30 minutes of collection.

Storage/Transport: Sample can be stored refrigerated at 2-8°C.

Stability: Red cell G-6-PD is stable in whole blood for one week when refrigerated at 2-8°C. 

Causes for Rejection: Clotted, hemolyzed, collected in wrong tube, improperly stored and/or transported, identification error.
Clinical Information:

If applicable, state clinical information that is required to be provided with specimen.
Reference Range:

Normal = normal G6PD activity; no evidence of deficiency.  Borderline = may indicate G6PD deficiency, recommend confirmation with quantitative assay.  Deficient = markedly decreased G6PD activity; consistent with G6PD deficiency, recommend confirmation with quantitative assay.
CPT 4 Code:

 82960
Reviewed: 9/20/12 A. Huerta, BS,MT(ASCP),MBA

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.

 

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