Creatine Kinase
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 (for polyclinic use only)

Minimum Volume:5 mL
Collection instructions:NA
Sample Stability:

Ambient (20 – 25°C): 48 h  (after separation from cells)
Refrigerate (2 – 8°C​):1 week​