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Prothrombin Antibodies, IgG & IgM (Temporary Delay as of 3/2/2016 - no referral available)
2004411
Ordering Recommendation
Preferred second-line testing for strong suspicion of seronegative antiphospholipid syndrome (APS). Order incrementally or concurrently with other non-criteria antiphospholipid antibody tests.
Mnemonic
PROTHROMPN
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Mon
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or lt. blue (sodium citrate).  
Specimen Preparation
Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Hemolyzed, grossly icteric, or lipemic specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year  
Reference Interval
Test Number
Components
Reference Interval
0051302Prothrombin Antibody, IgGLess than 20.0 Units
0051303Prothrombin Antibody, IgM (Temporary Delay as of 3/2/2016 - no referral available)Less than 20.0 Units

Interpretive Data
Refer to report.


Note
CPT Code(s)
86849 x2
Components
Component Test Code*Component Chart NameLOINC
0051302Prothrombin Antibody, IgG40595-1
0051303Prothrombin Antibody, IgM40596-9
* 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
  • Anti-Prothrombin Antibodies
  • Antiprothrombin Antibodies
  • aPT Antibodies
  • Prothrombin IgG IgM