Item Value
Test name Creatine kinase, Total, Plasma / Serum
Available Stat? Yes
Turn around times STAT 1 hour, Routine 4 hours
In House Availability Test available 24 hours per day 7 days per week
Performed by Parnassus, Mission Bay & Mt. Zion Chemistry
Normal range Male:
0-4 years 41-277 U/L
5-9 years 54-269 U/L
10-14 years 38-255 U/L
≥ 15 years 50-388 U/L


Female:
0-4 years 34-204 U/L
5-9 years 44-189 U/L
10-14 years 28-170 U/L
≥ 15 years 37-241 U/L


1. Normal range for 1 to 15 year old children adapted from Beckman Coulter's "Pediatric Reference Range Guidelines for Synchron Systems" Bulletin 9345
2. Normal range for adults was determined by testing 270 male and female healthy blood donors at UCSF. Adult range adopted for children 15-18 years.
Container type Light green top preferred, Gold top acceptable
Amount to Collect 1 mL blood
Click here for Microdetermination info
Sample type Plasma or serum

If you have additional questions regarding this test, please call: 415-353-1667