Prothrombin Antibody, IgM
0051303
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
PROTHROM M
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
Specimen Required
Patient Preparation
  
Collect
Serum separator tube or lt. blue (sodium citrate).  
Specimen Preparation
Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.1 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Hemolyzed or lipemic specimens.  
Remarks
  
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year  
Reference Interval
Less than 20.0 Units  
Interpretive Data
 
Note
 
CPT Code(s)
86849
Components
Component Test Code*Component Chart Name
0051303Prothrombin Antibody, IgM
* 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
  • Prothrombin IgA