Name: Drug-Dependent Platelet Ab
Test Name: Drug-Dependent Platelet Ab
Health Link Test Code: HCDDPLT
LIS Test Code: DDPLT
CPT Code(s): 86022 (1st drug); each additional drug add 86022
Methodology: Flow Cytometry
Testing Site: Testing will be sent to an approved reference laboratory
Days Performed: Three times per week.
In-Lab Turnaround Time: 5 - 7 days.
Collection Container: Red top
Also Acceptable: Light blue top (3.2% NaCitrate)
Provide list of drugs to be tested.
Collection Volume: 9 mL
Pediatric Collection Volume: 2 mL
Sample Analyzed: Serum or plasma
Testing Volume: 5 mL
Pediatric Testing Volume: 1 mL
Transport specimen to UWHC Hospital Laboratory. Transport with coolant pack if coming from clinic location.
No drug-dependent platelet antibodies detected.
Interpretation Type: Expected Results
Positive test results are not absolutely diagnostic of drug-induced thrombocytopenia and must be used in combination with clinical information to make a diagnosis. Negative results do not completely rule out a diagnosis of drug-induced immune thrombocytopenia.