| Recent changes for ADAMTS-13 Activity |
|---|
| Date | Field | Changed From | Changed To |
|---|
| 24th June 2025 | Assay name | ADAMTS-13 Activity | DOAC STOP LUPUS |
| Alternative names | | LUPUS DOAC STOP |
| Request Group | ADAMTS13 | MISC-C |
| Volume (Adults) | | 3 mL |
| Minimum/Paediatric Volume | | 1 mL |
| Registration Instructions | | Data enter as MISCC to send to Austin
|
| Preferred Specimen Type | Plasma | Blood |
| Collection & Request Instructions | Add exactly 2.7 mL of blood & mix by inversion. | Add exactly 2.7 mL of blood & mix by inversion.
Two (2x) collection tubes required |
| Collection & Request Instructions | This form must accompany the standard pathology request form/referral letter and specimen for all ADAMTS-13 requests.
https://monashpathology.org/wp-content/uploads/2024/09/FOR-HE-147.pdf | transport at room temp |
| Transport Instructions between sites and/or laboratories | Send to lab immediately | |
| Transport Instructions between sites and/or laboratories | Send on dry ice | send on dry ice once frozen |
| Processing Instructions | Centrifuge immediately
Aliquot
Store frozen | |
| Processing Instructions | 1 mL of citrated plasma required for assay. | spin aliquot freeze -80 |
| External Laboratory | Monash Pathology | Austin Pathology |
| External Transport Instructions | Urgent samples must arrive at the Monash Health Pathology (Monash Medical Centre, Clayton) Specimen Reception by 1pm on a normal business day for same day results. Urgent samples arriving after 1pm will be run on the next business day. All urgent samples MUST be discussed with a Monash Health Pathology Special Coagulation Scientist/Laboratory Haematology Registrar/Laboratory Haematologist.
The Monash Health Pathology Special Coagulation lab must be notified of all urgent requests on 9594 6751 (business hours) or the Haematology lab on 9594 3489 (outside of business hours).
Non-urgent samples will be analysed in batches (usually twice a week). | |
| Frequency | | Weekly |
| Method | This test is the not listed on CMBS schedule and the test kit used at Southern Cross Pathology is very expensive.
For routine batch testing charge is $140 and for urgent requests $345 | |
| Notes | FBE often have the urgent STICKER attached and this does NOT mean the ADAMTS-13 IS URGENT - CHECK WITH HAEMATOLOGIST/ REGISTRARS re Urgency. | |