Creatine Phosphokinase
Test Code
CPK
Description
Collect
Plain red top or SST tube.
Pediatric Collection
Minimum volume: 0.1 mL serum
Storage Transport Temp
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:       
4 hours at RT (15-25°C)
8-12 hours refrigerated at 2-8°C
1 month frozen at  ≥ - 20°C
Performed
Monday - Friday
Methodology
Enzymatic Rate
Turnaround Time
4 hour routine, 1 hour STAT
Department
Core Lab
Synonyms
Enzymatic Rate (Creatine Phosphokinase);CPKX
Reference Interval
| Creatine Phosphokinase, Serum | 
			 Human  | 
		|
| Male | Female | |
| 
			 U/L  | 
		||
| 
			 Newborn - 4 years  | 
			
			 41-277  | 
			
			 34-204  | 
		
| 
			 5 years - 9 years  | 
			
			 54-269  | 
			
			 44-189  | 
		
| 
			 10 years - 14 years  | 
			
			 38-255  | 
			
			 28-170  | 
		
| 
			 15+ years  | 
			
			 38-174  | 
			
			 26-140  | 
		
CPT Code
82550