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Catalog ID RTSC Reptilase Time, Plasma

Important Note

Order: Ref Misc Referral Lab Test

Comment: Reptilase Time


Specimen Required


Specimen Type: Platelet-poor plasma

Collection Container/Tube: Light-blue top (citrate)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. For complete instruction, see Coagulation Guidelines for Specimen Handling and Processing.

2. Centrifuge, remove plasma, and centrifuge plasma again.

3. Freeze plasma immediately (no longer than 4 hours after collection) at -20° C or, ideally below -40° C.

Additional Information:

1. Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results.

2. Each coagulation assay requested should have its own vial.


AUMC Laboratory Catalog Note:

Collect 1 full Light Blue top tube.

Secondary ID

602185

Useful For

Evaluation of a prolonged thrombin time (TT): It is mainly used to confirm or exclude the presence of heparin in the specimen or specimen type

 

Evaluating hypofibrinogenemia or dysfibrinogenemia in conjunction with the TT and fibrinogen assay

Method Name

Optical Clot-Based

Reporting Name

Reptilase Time, P

Specimen Type

Plasma Na Cit

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Na Cit Frozen 14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Reference Values

14.0-23.9 seconds

Day(s) Performed

Monday through Friday

Report Available

1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

85635

LOINC Code Information

Test ID Test Order Name Order LOINC Value
RTSC Reptilase Time, P 6683-7

 

Result ID Test Result Name Result LOINC Value
RTSC Reptilase Time, P 6683-7

Forms

If not ordering electronically, complete, print, and send a Coagulation Test Request (T753) with the specimen.