| Laboratory: | Hematology |
| Test Name: |
HEPARIN INDUCED THROMBOCYTOPENIA (HIT) - (S)
Test Code:
HITA
|
| Clinical Information: |
Test will be performed at: St. Boniface Hospital, Hematology Laboratory, L4006-409 Tache, Winnipeg, MB
Ward must complete following Patient Information Requisition which will accompany specimen. Specimen must be aliquoted and sent frozen. http://fhs.mcmaster.ca/plateletimmunology/documents/patient_requisition_form_nov_2015.pdf HIT remains a clinicopathological diagnosis - the graded classification of positive results (weak 1.0-4.9 U/ml; moderate 5.0-15.9 U/ml, and strong >=16 U/ml) together with the pre-test 4T' probability score are recommended to evaluate post-test HIT probability. See table 5, Warkentin TE et al. Thromb Res. 2017 May;153:108-117. |
| Collection Devices: |
Preferred Devices:
- And -
1 - Serum Tube(s), NO GEL - Full Tube Collection
Serum Tube(s), NO GEL - Full Tube Collection Manufacturer: Becton Dickinson Catalogue #: 366430
BOTH TUBES MUST BE COLLECTED
|
| Specimen Required: |
Blood: 10.0 mL
Samples must be aliquoted and sent frozen. Samples sent at room temperature will NOT be processed. Weekends: Send aliquoted samples frozen. |
| Referral: |
|
| Requisition: | |
| Reference Values: |
Normal = negative
|
| Availability: |
Weekdays
St. Boniface Hospital Hematology Lab local screening test. Test will be performed Mon-Wed-Fri. TAT 24 - 48 hours
|
| See Also: | |
| More Information: |
SBH Lab Information ONLY (for referral only): McMaster Platelet Immunology Laboratory
http://fhs.mcmaster.ca/plateletimmunology/hit.html Send 2 mL serum + 1 mL sodium citrate plasma - samples can be centrifuged and separated using standard laboratory processing protocols Serum and plasma should each be aliquoted into 2x12x75 polypropylene tubes, labelled and frozen. Please clearly label which tubes are serum and which are plasma. Samples should be transported frozen on dry ice. All labelling, capping, etc. must be freezer and water bath resistant. |