Lupus Anticoagulant and Antiphospholipid Confirmation (non-Coumadin) with Consultation
Test Code
19654
85613, 85730, 86147 (x2), 86146 (x2), Dependent on the complexity of the consultation, 80503 or 80504 or 80505 may be assigned. 80506 may also be billed if high complexity with more than 60 minutes of time spent for the consultation.
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
In-home collection is not available in your area through Quest Mobile.
Clinical Significance
Lupus Anticoagulant and Antiphospholipid Confirmation (non-Coumadin) with Consultation - See available Test Resources
Test Resources
Clinical Focus
Autoimmune Rheumatic and Related DiseasesTest Details
Prolonged aPTT Thrombotic Evaluation
PTT-LA with Reflex to Hexagonal Phase Confirmation
dRVVT Screen with Reflex to dRVVT Confirm and dRVVT 1:1 Mix
Cardiolipin Antibodies (IgG, IgM)
Beta-2-Glycoprotein I Antibodies (IgG, IgM)
Coagulation Consultation
If Staclot-LA from PTT-LA w/Reflex to Hexagonal Phase Confirmation and dRVVT from dRVVT Screen are confirmed negative, then Prothrombin Time (PT), Thrombin Clotting Time (TCT), and Fibrinogen Profile, will be performed
at an additional charge (CPT code(s): 85384, 85610, 85670).
If PTT-LA Screen is prolonged (>40 seconds), then Hexagonal Phase Confirmation will be performed at an additional charge (CPT code(s): 85598).
If the dRVVT Screen is prolonged (>45 seconds), the dRVVT Confirmation will be performed at an additional charge (CPT code(s): 85597).
PTT-LA with Reflex to Hexagonal Phase Confirmation
dRVVT Screen with Reflex to dRVVT Confirm and dRVVT 1:1 Mix
Cardiolipin Antibodies (IgG, IgM)
Beta-2-Glycoprotein I Antibodies (IgG, IgM)
Coagulation Consultation
If Staclot-LA from PTT-LA w/Reflex to Hexagonal Phase Confirmation and dRVVT from dRVVT Screen are confirmed negative, then Prothrombin Time (PT), Thrombin Clotting Time (TCT), and Fibrinogen Profile, will be performed
at an additional charge (CPT code(s): 85384, 85610, 85670).
If PTT-LA Screen is prolonged (>40 seconds), then Hexagonal Phase Confirmation will be performed at an additional charge (CPT code(s): 85598).
If the dRVVT Screen is prolonged (>45 seconds), the dRVVT Confirmation will be performed at an additional charge (CPT code(s): 85597).
Methodology
Immunoassay (IA)
Reference Range(s)
See Laboratory Report
Preferred Specimen(s)
6 mL frozen platelet-poor plasma collected in a 3.2% sodium citrate (light blue-top) tube
Minimum Volume
2 mL
Collection Instructions
Centrifuge and separate plasma and freeze immediately. Do not thaw.
Shipping room temperature or refrigerated (cold packs) is unacceptable.
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
- Room temperature: 24 hours
- Refrigerated: 24 hours
- Frozen: 14 days
Reject Criteria
Gross hemolysis • Grossly lipemic • Received room temperature • Received refrigerated
Setup Schedule
6 mL frozen platelet-poor plasma collected in a 3.2% sodium citrate (light blue-top) tube
2 mL
Centrifuge and separate plasma and freeze immediately. Do not thaw.
Shipping room temperature or refrigerated (cold packs) is unacceptable.
Shipping room temperature or refrigerated (cold packs) is unacceptable.
Transport tube
Frozen
Room temperature: 24 hours
Refrigerated: 24 hours
Frozen: 14 days
Refrigerated: 24 hours
Frozen: 14 days
Gross hemolysis • Grossly lipemic • Received room temperature • Received refrigerated