Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

REPTILASE TIME

ORDERING INFORMATION:
Sunquest Test Code:
REP      Geisinger Epic Procedure Code: 85635         Geisinger Epic ID: 7217

SPECIMEN COLLECTION
Specimen type:
Platelet-free plasma
Preferred collection container:
Alternate Collection Container:
Other size blue-top (3.2% sodium citrate) tubes (e.g., 1.8 mL, 4.5 mL)
Specimen required:
1 mL aliquot plasma.
Special notes:
Do not draw blood from a heparinized line. Avoid contaminating the sample with tissue thromboplastin or heparin. Venipuncture must be performed with no trauma. If blood is drawn from an indwelling catheter, flush with 5 mL of saline and discard the first 5 mL of blood collected.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge the citrated blue-top tubes as soon as possible (within 60 minutes) at designated time and speed to obtain platelet-poor plasma (<10,000/µL). Using a plastic pipette, remove 1 mL of plasma and transfer to a plastic aliquot tube and label with patient's name and a second patient identifier (e.g., date of birth, medical record number). 
Transport temperature:
Frozen.
Specimen stability:
Frozen: -20°C for 2 weeks or -70°C for 12 months. Room temperature: 4 hours.
Rejection criteria:
Clotted specimen.

TEST DETAILS
Reference interval:
12.0-20.0 seconds
CPT code(s):
85635
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Reptilase clotting time.
Methodology:
Mechanical Clot-Based
Synonyms:
Reptilase clotting time
Clinical significance:
This test is helpful for assessing dysfibrinogenemia and hypofibrinogenemia. Reptilase time is not affected by heparin contamination or the presence of direct thrombin inhibitors, e.g. argatroban.
Doctoral Director(s:)
Michelle Grant DO    
Review Date: 04/29/2019

Performing Locations

Geisinger Medical Center

Performing laboratory: Coagulation
Technical Lead: Margaret Knowles-Tuchman
Frequency: Daily
Performed stat? No
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