45300:PHOSPHATIDYLGLYCEROL (PG)
Author PeaceHealth Laboratories
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Alias Names: |
PG |
Methodology: |
Thin Layer Chromatography (TLC) |
Edit Date: |
4/1/2005 |
Performed: |
Daily at 0800 and 1200 |
Released: |
At 1200 and 1700 |
CPT Code: |
84081 |
Specimen Collection Details |
Collection: |
5 mL amniotic fluid. |
Handling: |
Centrifuge for 3 minutes at 1700 rpm (lower than routine centrifuging). Transfer supernatant to a plastic screw-cap vial and label ”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: |
1.5 mL amniotic fluid. |
Transport: |
Refrigerated. |
Comments: |
Visible meconium or blood are less likely to interfere, if present in moderate amounts. |
Rejection Criteria: |
Mucoid samples too viscous to pipette. |