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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. | ||||||||