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PROTEIN S (FREE)

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​3 mL blood containing 0.3 mL of 3.2% sodium citrate

Method

​ELISA

Reference Interval / Value

​Males 72 - 130%
Females 64 - 123%

Turnaround Time

​2 weeks

Day(s) Test Set up

​Fortnightly

Remarks

​Note: Coumadin will lower Protein S levels

Last Updated - 13 Jun 2025