Prior to freezing, collection tubes must be centrifuged at a time and speed that results in the production of a platelet poor plasma which contains a residual platelet count of <10,000/uL.
Whole Blood (Spun or Unspun) can be transported or stored at Room Temperature (18-24oC) for up to 4 hours.
Platelet Poor Plasma Separated from the cells can be transported or stored Frozen at -20oC for up to 2 weeks.
Stability (from collection to initiation)
Whole Blood (Spun or Unspun) stored at Room Temperature (18-24oC) for up to 4 hours.
Platelet Poor Plasma Separated from the cells and Frozen at -20oC for up to 2 weeks.
Cerner Orderable(s)
APTT
Performed
Bardmoor ER Laboratory, Bartow Regional Medical Center, Mease Countryside Hospital, Mease Dunedin Hospital, Morton Plant Hospital, Morton Plant North Bay Hospital, South Florida Baptist Hospital, St. Anthony's Hospital, St. Joseph's Hospital, St. Joseph's Hospital North, St. Joseph's Hospital South, Winter Haven Hospital.
24/7
Ordering Recommendations
The APTT test is used as an initial test for screening of presurgical patients, during the evaluation of bleeding disorders, for the monitoring of Unfractionated Heparin Therapy &/or for the detection of Factor Deficiencies (Factors VIII, IX, XI, XIII) , Lupus Anticoagulants or other Inhibitors
Methodology
Clot Detection and Analysis by Spectrophotometric Evaluation.
Reported
Within 24 hours
Synonyms
Activated Partial Thromboplastin Time
aPTT
Partial Thromboplastin Time
Partial Thromboplastin Time, Activated
PTT
Reference Interval
APTT Reference Interval: 26.2 - 37.2 seconds
BayCare Critical Value: >= 90.0 seconds
Interpretive Data
For monitoring treatment with unfractionated heparin, order Heparin Assay Anti-Xa Unfractionated Test
CPT Codes
85730
Collection
Collect
Preferred
Tube Name
Blue
Optimum Volume
Full
Minimum Volume
Full
Specimen Preparation
Prior to freezing, collection tubes must be centrifuged at a time and speed that results in the production of a platelet poor plasma which contains a residual platelet count of <10,000/uL.
Whole Blood (Spun or Unspun) can be transported or stored at Room Temperature (18-24oC) for up to 4 hours.
Platelet Poor Plasma Separated from the cells can be transported or stored Frozen at -20oC for up to 2 weeks.
Stability (from collection to initiation)
Whole Blood (Spun or Unspun) stored at Room Temperature (18-24oC) for up to 4 hours.
Platelet Poor Plasma Separated from the cells and Frozen at -20oC for up to 2 weeks.
Ordering
Cerner Orderable(s)
APTT
Performed
Bardmoor ER Laboratory, Bartow Regional Medical Center, Mease Countryside Hospital, Mease Dunedin Hospital, Morton Plant Hospital, Morton Plant North Bay Hospital, South Florida Baptist Hospital, St. Anthony's Hospital, St. Joseph's Hospital, St. Joseph's Hospital North, St. Joseph's Hospital South, Winter Haven Hospital.
24/7
Ordering Recommendations
The APTT test is used as an initial test for screening of presurgical patients, during the evaluation of bleeding disorders, for the monitoring of Unfractionated Heparin Therapy &/or for the detection of Factor Deficiencies (Factors VIII, IX, XI, XIII) , Lupus Anticoagulants or other Inhibitors
Methodology
Clot Detection and Analysis by Spectrophotometric Evaluation.
Reported
Within 24 hours
Synonyms
Activated Partial Thromboplastin Time
aPTT
Partial Thromboplastin Time
Partial Thromboplastin Time, Activated
PTT
Result Interpretation
Reference Interval
APTT Reference Interval: 26.2 - 37.2 seconds
BayCare Critical Value: >= 90.0 seconds
Interpretive Data
For monitoring treatment with unfractionated heparin, order Heparin Assay Anti-Xa Unfractionated Test
