Test Details

Mnemonic

IGD

Ordering Code

3420620

CPT-4 Code(s)

82784

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum separator tube (SST)

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Severely hemolyzed or lipemic specimens

Stability

Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 21 days

Methodology

Nephelometry
more

Reference Range

<179 mg/L
more

Performing Laboratory

Quest SJC
more