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Alias Names: Added PG
Methodology: Thin Layer Chromatography (TLC)
Edit Date: 1/27/2010
Performed: Daily (STAT at 0800 as needed)
Released: Same day as tested
CPT Code: 84081
Specimen Collection Details
Collection: Amniotic fluid.
Handling: Centrifuge for 3 minutes at 1700 rpm (lower than routine centrifuging). Pour off spun specimen and label container “Spun.” Refrigerate. Include additional clinical information on requisition, i.e., weeks gestation, is patient diabetic, source if not amniotic fluid, e.g., vaginal pool.
Standard Volume: 5 mL amniotic fluid
Minimum Volume: 2.5 mL amniotic fluid
Transport: Refrigerated.
Comments: Visible meconium or blood are less likely to interfere with the PG if present in moderate amounts.
Rejection Criteria: Mucoid specimen too viscous to pipette.

PeaceHealth Laboratories