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45280:LECITHIN/SPHINGOMYYELIN RATIO & PHOSPHATIDYL GLYCEROL (PG) | |||||||||
Alias Names: | Added L/S-PG | ||||||||
Methodology: | Thin Layer Chromatography | ||||||||
Edit Date: | 2/9/2009 | ||||||||
Performed: | Daily | ||||||||
Released: | 3.5 hours | ||||||||
CPT Code: | 836610 / 084081 | ||||||||
Specimen Collection Details | |||||||||
Collection: | Amniotic fluid. | ||||||||
Handling: | Centrifuge for 3 minutes at 1700 rpm (lower than routine off spun specimen) and label container “spun”. Foil wrap to protect from light. Refrigerate.
Include additional clinical information: gestation in weeks, if patient is diabetic, source, if not amniotic fluid (e.g., vaginal pool). |
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Standard Volume: | 5 mL amniotic fluid | ||||||||
Minimum Volume: | 3.5 amniotic fluid | ||||||||
Transport: | Refrigerated. | ||||||||
Rejection Criteria: | Mucoid specimen too viscous to pipette. |