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

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

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