Timing, specimen options and instructions reflect the source snapshot.
FROM COLLECTION TO THE LAB
Specimen & handling
Specimen
Serum
Container
Serum Separator Tube (SST) – 0.5 ml serum.
Required volume
Serum Separator Tube (SST) – 0.5 ml serum.
Collection instructions
Serum Separator Tube (SST) – 0.5 ml serum.
Processing
Serum free from hemolysis is the recommended specimens. Allow blood samples to clot (15 mins). Separate the serum from the cells by centrifuging for 10 minutes. Store serum at 2-8°C until analysis.
Storage
Refrigerated
Stability
Use fresh sample for analysis when possible. Sodium and potassium are stable in serum for at least one week when stored at 2-8°C. Chloride is stable in serum for one week when stored 2-30°C. Store the samples in a stoppered tube if analysis is delayed.At Accu Reference: Refrigerated -7 days
Rejection criteria
Body Fluid, Urine, Grossly hemolyzed.
Technical information & codes+
Methodology
Quantitative Ion-Selective Electrode
CPT code
84295
Codes are shown for identification from the source snapshot. Confirm current coding and billing information with the laboratory.
