Test Catalog

Test ID: LD_I    
Lactate Dehydrogenase (LD) Isoenzymes, Serum

Useful For Suggests clinical disorders or settings where the test may be helpful

Investigating a variety of diseases involving the heart, liver, muscle, kidney, lung, and blood


Differentiating heart-synthesized lactate dehydrogenase (LD) from liver and other sources


Investigating unexplained causes of LD elevations


Detection of macro-LD

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
LDLactate Dehydrogenase (LD), SYesYes
LDILD Isoenzymes, SNoYes

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

LDI: Electrophoresis Densitometry

LD: Photometric Rate

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Lactate Dehydrogenase Isoenzymes, S

Aliases Lists additional common names for a test, as an aid in searching

Isoenzymes of Lactate Dehydrogenase (LD)
Lactate Dehydrogenase Isoenzymes, S
LD (Lactate Dehydrogenase)
LD Isoenzymes
LDH (Lactate Dehydrogenase)
LDH Fractionation
LDH Isoenzymes