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Test Code LAB321 PROTHROMBIN TIME 50/50 MIXING STUDY

Important Note

Test is subject to Medicare National Coverage Determination 190.17 - Prothrombin Time (PT).

Please deliver to the lab within 24 hours.

A Prothrombin Time must be performed first and billed. The Pro 50/50 mixing study will be credited and not performed if the initial Prothrombin Time is normal.

Additional Codes

Orderable Codes:

Epic Code Altas Code Mayo Access ID Order LOINC
LAB321 PRO50 FAH5271 5902-2

Result Component(s):

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Patient PT50 12301002504 PROTIM FAH4829 5902-2
Control 50/50 PT 12301002305 CONO50 FAH5273 5956-8
Mix 50/50 PT 12301002306 MIXO50 FAH5274 5959-2

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Blue Top Tube Whole Blood Ambient To fill line* To fill line To fill line 24 hours
Blue Top Tube Plasma Frozen To fill line* 2.0 mL plasma 0.5 mL plasma 6 months

*TUBE MUST BE FULL AT COLLECTION. Refer to Coagulation Specimen Handling before collecting.Submit frozen plasma if  sample is delayed more than 24 hours.

Test Schedule / Analytical Time / Test Priority

Daily / 24 Hours / Available STAT

Method

Photo Optical Clot Detection

CPT(s)

Description CPT Code
50/50 Mixing Study-Protime Time 85611

 

Instrumentation

ACL Top 

Reference Range

Varies according to reagent lot, see report or call if needed.

Section

Coagulation

Performing Location

University of Vermont Medical Center

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

Yes