| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Anti Xa - Heparin (unfract)
Test CodeHEPA (Xa) - NOCO
CPT Codes
85520
Preferred Specimen
3.2% sodium citrate - blue top tube
Instructions
The light blue capped tubes, containing 3.2% buffered sodium citrate, used for coagulation testing must be allowed to fill completely (after filling a small air space will normally be present). We cannot accept a short filled tube.
Transport Temperature
Frozen
Specimen Stability
| Transport Temperature | Time |
| Ambient (unopened) | 4 hours |
| Ambient (opened) | 2 hours |
| Refrigerated (unopened) | 4 hours |
| Refrigerated (opened) | 2 hours |
| Frozen | 2 weeks |
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted
Serum received instead of Sodium Citrate plasma
Specimen past stability
Frozen plasma received thawed
Underfilled or Overfilled, blood/anticoagulant ratio must be 9/1; Specimens must be between 90% -110% full
Collected in a 3.8% Sodium Citrate tube instead of 3.2% Sodium Citrate tube
Drawn in outdated/expired tube
Hemolyzed, icteric, or lipemic sample
Samples received on ice
Serum received instead of Sodium Citrate plasma
Specimen past stability
Frozen plasma received thawed
Underfilled or Overfilled, blood/anticoagulant ratio must be 9/1; Specimens must be between 90% -110% full
Collected in a 3.8% Sodium Citrate tube instead of 3.2% Sodium Citrate tube
Drawn in outdated/expired tube
Hemolyzed, icteric, or lipemic sample
Samples received on ice
Setup Schedule
Every day, continuously
Report Available
Same Day
Reference Range
UF Heparin0.30 – 0.70 IU/mLLMW Heparin
(NCMC only)0.60 – 1.00 IU/mL
(NCMC only)0.60 – 1.00 IU/mL
Performing Laboratory
Sterling Regional Medical Center
East Morgan County Hospital
North Colorado Medical Center
Banner Fort Collins Medical Center
McKee Medical Center
