Test Details
Mnemonic
DIGI
Ordering Code
3683100
CPT-4 Code(s)
80375 (G0480)
Specimen Information
Patient Preparation
Collect at steady - state concentration 8 - 12 hours after last dose.
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Plasma: Lavender EDTA
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Plasma: Light blue sodium citrate, Yellow ACD A
Serum: Serum separator tube (SST)
Serum: Serum separator tube (SST)
Stability
Room temperature: Undetermined
Refrigerated: 7 days
Frozen: 90 days
Refrigerated: 7 days
Frozen: 90 days
Methodology
Quantitative Immunoassay
Reference Range
Therapeutic Range: 10.0-30.0 ng/mL
Toxic: >45.0 ng/mL
Toxic: >45.0 ng/mL
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes