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HelpTest Code LAB326 aPTT 50/50 MIXING STUDY
Method
Photo Optical Clot Detection
CPT(s)
| Description | CPT Code |
| 50/50 Mixing Study-PTT | 85732 |
Specimen Information
|
Container |
Specimen |
Temperature |
Collect Vol |
Submit Vol |
Minimum Vol |
Stability |
| Blue Top Tube | Whole Blood | Ambient | To fill line | To fill line | To fill line | 4 hours |
| Blue Top Tube | Plasma | Frozen | To fill line | 2 mL plasma | 1 mL plasma | 6 months |
Tube must be filled to the fill line. Please note on the laboratory requisition if the patient is on heparin. Refer to Coagulation Specimen Handling before collecting. *Submit frozen plasma if the lab will not receive the sample within 4 hours.
Reference Range
Varies according to reagent lot, see report or call if needed.
Instrumentation
ACL Top
LOINC Code Information
| Result Code | Reporting Name | LOINC Code |
| PATT50 | Patient | 5959-2 |
| CONT50 | Control | 5949-3 |
| MIXT50 | Mix | 5946-9 |
Performing Location
University of Vermont Medical Center
Test Schedule / Analytical Time / Test Priority
Daily / 24 Hours / Available STAT
Section
Coagulation
Is the UVMMC lab NY State Certified to perform this testing? Yes/No
Yes