Protein S, Free Ag w/ Rfx to Protein S, Total Ag

Specimen Container

(2 Light Blue (3.2% Sodium Citrate) filled to proper level as indicated on vacutainer tube)

Specimen Collection Type

Whole Blood

Minimum Volume To Collect (Ml)

1.0 mL

Pediatric Volume To Collect (Ml)

(1 mL)

Specimen Preparation

Separate < 4hrs

Stability

Ambient Stability: 4 Hours
Refrig Stability: Unable
Frozen Stability: 2.5 Months

Unacceptable Conditions

Serum. EDTA plasma, clotted or hemolyzed specimens.

Preferred Transportation Temperature

FROZEN

Performed

Mon-Sat

Reported

1-4 days

Methodology

Microlatex Particle-Mediated Immunoassay

Lab Department

Coagulation(IHC)

Testing Location

(IHC)

Synonyms

Protein S Profile, Protein S, Free and Total Antigen

Test OR Panel

Test

Interferences

Avoid hemolysis

CPT Codes

85306; REFLEXED +85305

LOINC

27821-8

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