Methodology
Radioactive Enzyme Assay
Synonyms
PDH; PDHC; PDHA1
Specimen Type
Whole Blood
Performing Lab
CIDEM
Epic ID
Other Reference Test
Lab Test Days
Varies
Standard TAT
2 Weeks
Collection Information
Specimen Required
10-20 mL Whole Blood collected in an ACD Solution A/B (yellow-top) tube
Container Type
Yellow (ACD)
Collection Instructions
Lab must preschedule date for draw with CIDEM prior to collection. Collect Monday-Wednesday 0900-1300 only.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp=24 Hours; Refrigerated=Unacceptable; Frozen=Unacceptable
Test Volume Required
20 mL Whole Blood
Minimum Test Volume
10 mL Whole Blood
Processing Instructions
Collect and send 20 mL control specimen (unrelated adult) with patient's specimen same day as collection Monday-Wednesday only. Call CIDEM with FedEx tracking number.
Included Tests
PDC Activated, PDC Inactivated, Dihydrolipoamide dehydrogenase (E3), PDC:E3 Ration and Protein.
CPT Codes
82658 (x2), 82657, 84157
Revised
03-23-20
Initials
SL