Item Value
Test name Lactate Dehydrogenase, Plasma / Serum
Available Stat? No
Turn around times 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
Age Male & Female Male Female
< 1 month 125-735 U/L --- ---
1 month - 11 months 170-450 U/L --- ---
1 year - 4 years -- 140-304 U/L 142-297 U/L
5 years - 9 years -- 155-290 U/L 142-261 U/L
10 years - 14 years -- 115-257 U/L 122-234 U/L
≥ 15 years 102-199 U/L


1. Pediatric reference ranges for children <1 year adapted from Soldin, Steven J. Pediatric Reference Intervals (method 3), 6th edition, AACC Press, 2007.
2. Normal range for children 1 to less than 15 years old adapted from Beckman Coulter's "Pediatric Reference Range Guidelines for Synchron Systems" Bulletin 9345
3. Normal range for adults was determined by testing 271 male and female healthy blood donors at UCSF. Adult range used for pediatric patients >15 years.
Container type Light green top preferred, Gold top acceptable
Amount to Collect 1 mL blood
Click here for Microdetermination info
Collection Instructions Samples should be submitted to the laboratory for processing within 2 hours of collection
Sample type Plasma or serum

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