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) | Frozen |
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 |
|---|---|
| Enzyme-Linked Immunosorbent Assay (ELISA) | |
| Fluorescence Immunoassay |
Reference Range
| ADAMTS13 Activity | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | > or = 68 | % | Years | 99 Years | Urgent | <10 | % |
| ADAMTS13 Inhibitor | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | < or = 0.4 | Inhib Unit |
Clinical Info
ADAMS13 antibody test will be performed and billed separately if the ADAMS13 Activity is <30% and ADAMTS13 inhibitor is < or = 0.4.