Listed components come from the source record. Conditional reflex testing is only included where explicitly described by the laboratory.
FROM COLLECTION TO THE LAB
Specimen & handling
Specimen
Serum
Container
Serum Separator Tube (SST).
Preparation
Prior to sample collection, an 8-12 hour fast is recommended but not required for the patient.
Collection instructions
Serum Separator Tube (SST).
Processing
Use all appropriate Personal Protective Equipment (PPE). Allow blood samples to clot (15 mins). Separate the serum from the cells by centrifuging for 10 minutes to minimize loss of glucose through glycolysis.
Storage
Refrigerated.
Stability
After separation of cells: Refrigerated: 3 days; Frozen 2 weeks
Rejection criteria
Any sample that is mislabeled; Any broken or damaged tubes.
Technical information & codes+
Methodology
See individual components.
CPT code
80048
Codes are shown for identification from the source snapshot. Confirm current coding and billing information with the laboratory.
