ADAMTS13 Evaluation
Test Mnemonic
ADM13
CPT Codes
- 85335 - QTY (1)
- 85390 - QTY (1)
- 85397 - QTY (1)
Includes
- ADAMTS13 Inhibitor Assay
- ADAMTS Activity Assay
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Platelet-poor plasma | Sodium citrate (Lt. Blue) | Centrifuge, aliquot and freeze ASAP. | Collection tube must be filled to total fill volume. Inadequately filled tubes will be rejected. Invert to mix 3-4 times. Non-Testing Sites: Centrifuge sample; Aliquot plasma into a separate tube and label with Epic Beaker label. Specimen should be frozen (-20C or colder). |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 4 hrs. |
| Frozen | 14 days at -20 C; or 6 months at -70C |
Days Performed
Mon - Fri
Turnaround Time
2 - 4 days
Methodology
| Name | Description |
|---|---|
| Fluorescence Resonance Energy Transfer (FRET) |
Clinical Info
ADAMS13 antibody test will be performed and billed separately if the ADAMS13 Activity is <30% and ADAMTS13 inhibitor is < or = 0.4.