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St. John Health System
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Amniotic Fluid Study Delta 450

Order Name DELTA A450
Test Number: 2002000
Revision Date 12/31/2012
Test Name Methodology LOINC Code
Amniotic Fluid Study Delta 450
Spectrophotometry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL (2) Amniotic Fluid Sterile Screwtop Container Refrigerated
Instructions Protect from light! Wrap specimen with foil and place on ice. Deliver to lab immediately. Stability: Ambient= 2 days; Refrigerated= 1 week; Frozen= 1 year.
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-3 days 
Clinical Use The level of bilirubin in amniotic fluid is significant as an indicator of fetal erythroblastosis. 
CPT Code(s) 82143
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry