% Phosphatidylglycerol PTG

Method(s) Thin Layer Chromatography
Specimen Required
Collect

Amniotic Fluid

Schedule Mon-Fri
Billing Code 5011080
CPTCode 84081
Notes

If the sample is kept at room temperature, phosphodiesterase activity will decrease phosphatidylglycerol concentrations. For same day results, specimen must be received before 12:00 p.m. Fluids must be in the laboratory before 4:00 p.m. for next day results. A patient history form (Requisition for Perinatal Center Lab; see link above) must be completed. Test should be ordered in conjunction with L/S Ratio.

Reference Interval

PG% Mature Greater than 1.0%
L/S ratio greater than or equal to 2.0
Together with a PG greater than 1%, should be indicative of fetal pulmonary maturity.

No Appointment Necessary
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11 Patient Service Centers in Central New York.

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