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Test Code LAB3629 LUPUS ANTICOAGULANT CASCADE

Important Note

Patient should not be on anticoagulation or acute phase/current clot at the time of collection.

Please specify if the patient is having an acute thrombosis.

This testing includes Thrombin Time, Qualitative Anti Xa, and the LA Cascade Summary, which is a pathology interpretation.

Testing Always performed? Comments
Thrombin Time Yes Initial testing
Qualitative Anti Xa Yes Initial testing
LA Cascade Summary Yes Pathology Interp.
Protime/INR No Reflex-only test
DVV TR Ratio (Normalized) No Reflex-only test
SCT TR Ratio (Normalized) No Reflex-only test
Dilute Russell Viper Venom Time No Reflex-only test
Dilute Russell Viper Venom Time Confirm No Reflex-only test
Silica Clotting Time No Reflex-only test
Silica Clotting Time Confirm No Reflex-only test
Qualitative Anti Xa Hepzymed No Reflex-only test

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB3629 LACASC FAH5675 N/A

Result Component(s):

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
LA Cascade Summary 12301002794 LACINT FAH5684 75514-0

Specimen Information

Container Specimen Temp Collect Vol Submit Vol Min Vol Stability
Blue Top  *Platelet Poor Plasma Frozen *3 tubes **3 mL 2 mL 6 mths
Blue Top  Whole Blood Ambient *3 tubes 3 tubes 2 tubes 4 hrs

*Tubes must be filled to fill line see below.

**Deliver capped whole blood sample at ambient temperature within 4 hours. For delayed delivery send platelet poor plasma in  three separate frozen plasma aliquots of 1mL each for this testing. Refer to Coagulation Specimen Handling for process instructions prior to collection. Submit separate frozen plasma aliquot for this test. Draw blood in light blue top tube(s). Spin down, remove plasma, spin plasma again and place citrate platelet-poor plasma in required number of plastic vials (Glass vials cannot be accepted.) Freeze specimen at ≤-30° C if possible. Send specimen frozen on dry ice. Each coagulation assay requested should have its own vial.

Test Schedule / Analytical Time / Test Priority

Monday and Thursday / Reported next day / Available STAT, nights and weekends with pathologist approval

 

Method

Clot Based

Instrumentation

TOP750LAS

Reference Range

See report.

Section

Coagulation

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

CPT Code(s)

Initial Testing CPT Code(s)
Thrombin Time 85670
Qualitative Anti Xa 85520
LA Cascade Summary 85390.26

 

Reflex-only Testing CPT Code(s)
Protime/INR 85610
DVV TR Ratio (Normalized) N/A
SCT TR Ratio (Normalized) N/A
Dilute Russell Viper Venom Time 85613
Dilute Russell Viper Venom Time Confirm 85613
Silica Clotting Time 85732
Silica Clotting Time Confirm 85732
Qualitative Anti Xa Hepzymed 85520, 85525