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0098894
Protein S Free, Antigen
PRO S FREE
Ordering Recommendation
Recommended test to detect protein S deficiency. Do not order if individual has been on warfarin therapy in the previous 2-4 weeks.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Light blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation
Transfer 1.5 mL platelet-poor plasma to an ARUP standard transport tube. (Min: 1 mL)
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions
Serum. EDTA plasma, clotted or hemolyzed specimens.
Remarks
Stability
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -20°C: 3 months, at -70°C: 6 months
Methodology
Microlatex Particle-Mediated Immunoassay
Performed
Mon-Sat
Reported
1-3 days
Reference Interval
| Age | Male | Female |
|---|---|---|
| 1-89 days | 15-55% | 15-55% |
| 90-179 days | 35-92% | 35-92% |
| 180-364 days | 45-115% | 45-115% |
| 1-5 years | 62-120% | 62-120% |
| 6-9 years | 62-130% | 62-130% |
| 10-17 years | 60-140% | 60-140% |
| 18 years and older | 74-147% | 55-123% |
Interpretive Data
Refer to report
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
85306
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0098894 | Protein S Ag Free | 27821-8 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Protein S Free, Antigen
