Electrolytes
Specimens Requirements:

Patient Preparation:None
Specimen Type: Serum
Container / Tube Type:

SSTII, Yellow top, 5mL or

Plain, Red top, 6mL, or

PST, Light green top, 5mL (only for polyclinic use)

Minimum Volume:Serum: 5mL
Collection instructions:Refer to individual test listings
Sample Stability:

Refer to individual test listings