**Note: All laboratory testing requires an authorizing physician. DHA Laboratory offers a patient direct program that partners you with an authorizing physician. If you have any additional questions regarding the availability of testing, please contact our laboratory by telephone or email.**
LD stands for Lactate Dehydrogenase, which is an enzyme that can be found in all of the body’s cells. However, usually only a small amount of this enzyme can be detected in the blood. It can also be used as an indicator if one has tissue or cellular damage.