LD_I - Overview: Lactate Dehydrogenase (LD) Isoenzymes, Serum

Test Catalog

Test Name

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


Aids in the diagnosis of myocardial infarction when used in combination with total creatine kinase (CK) and CK-MB


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

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

LDI: Electrophoresis Densitometry

LD: Photometric Rate

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


Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

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