Factor 10a (Xa) Inhibition, Unfractionated Heparin.
Order Name
UNFRAC HEP
Test Number: 1507100
Revision Date 03/14/2016
Test Number: 1507100
Revision Date 03/14/2016
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Factor 10a (Xa) Inhibition, Unfractionated Heparin.
|
Chromogenic | 3274-8 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 2.7 mL | Whole Blood | Sodium Citrate 3.2% (Blue Top) | Room Temperature |
| Alternate 1 | 1.5 mL | Double Spun Plasma | Sterile, Capped Plastic Tube | Frozen |
| Instructions | Please indicate anticoagulant therapy. Each 2.7mL Sodium Citrate 3.2% (Blue Top) tube must be filled to the proper level, no hemolysis. Improperly filled tubes can give erroneous results. Draw any time if the patient is on IV /Drip - Deliver to lab immediately! Whole blood must be transported to SJMC lab within 1 hour of collection. If testing cannot be started fresh specimen within 1 hour of collection the specimen must be double spun then 1.5mL plasma aliquot from each tube into individual plastic aliquot tubes and freeze within 2 hours of collection for transportation. Do not pool aliquots together! |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Daily |
| Expected TAT | 1 Day |
| Clinical Use | The assesment of the anti-Xa effect of heparin by this method gives a high sensitivity in detecting Unfractionated Heparin levels. |
| CPT Code(s) | 85520 |
| Lab Section | Coagulation |