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LUPUS : LUPUS ANTICOAGULANT PANEL

TIME SENSITIVE

Synonym: APTT MIXING STUDIES   ***   COAGULATION   ***   DVVT-LUPUS COMPREHENSIVE   ***   LUPUS ANTICOAGULANT COMP PANEL   ***   LUPUS ANTICOAGULANT PANEL

Methodology: Photo Optical

Performed: Mon-Fri

Reported: Varies

 

SPECIMEN REQUIRED:

Collect: Light blue (3.2% sodium citrate).
Click to view Specimen Collection Procedures: Coagulation Collection

Transport: If specimen will not be received within 30 minutes from draw time, double spin to achieve platelet poor plasma. Tansfer 1.5 mL of platelet poor plasma into each of two (2) Standard Tranport Tubes (i.e. 3 mL of plasma split into two tubes). Freeze prior to transport and ship on dry ice.

Remarks: Patients should not be on anticoagulant (warfarin, heparin, or LMWH, etc.) for 10 days. Testing includes: aPTT and DVVT. If normal, no further testing is performed. If DVVT test indicates a possible lupus anticoagulant, DVVT confirmation is performed. Additional testing when the aPTT is prolonged will include a protime and mixing studies. Please indicate if you do not want reflex testing performed. Additional CPTcodes may apply.

Unacceptable Conditions: Specimens from patients on anticoagulant therapy. Clotted whole blood specimens. Hemolyzed specimens. Sodium citrate tube < 90% filled. Non-frozen specimens if not received witin 30 minutes.

Stability: 30 minutes at room temperature for whole blood specimen in original, unspun, capped tube. 14 days for frozen platelet poor plasma.

 

REFERENCE INTERVAL:

By report.

 

INTERPRETIVE DATA:

 

NOTE:

*Patients should not be on anticoagulant (warfarin, heparin, or LMWH, etc.) for 10 days. Testing includes: aPTT and DVVT. If normal, no further testing is performed. If DVVT test indicates a possible lupus anticoagulant, DVVT confirmation is performed. Additional testing when the aPTT is prolonged will include a protime and mixing studies. Please indicate if you do not want reflex testing performed.*

 

CPT CODE(S):

85730    85613