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| Test Name | LS RATIO |
| Synonyms | PG, PHOSPHATIDYL GLYCEROL/SPHINGOMYELIN RATIO |
| Comments | Test must be approved by pathologist. |
| Avail Stat? | N |
| Specimen | Amniotic Fluid |
| Container | Plastic cup |
| Days Perf. | Mon-Fri. Cutoff time for specimen receipt: Before noon, Mon-Fri. After noon: with pathologist's permission. Analytic turn-around time: Phosphatidylglycerol: 2 hrs. L/S Ratio: Same day report. |
| Processing | Refrigerate. |
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