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Unit Code 8679:
Lactate Dehydrogenase (LD) Isoenzymes, Serum

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Useful For

LD is useful in the investigation of a variety of diseases involving

the heart, liver, muscle, kidney, lung, and blood; and differentiating

heart-synthesized LD from liver and other sources of LD.

 

Isoenzymes are used by many clinicians in the diagnosis of MI in

combination with total CK and CK-MB.

 

Investigating unexplained causes of LD elevations

 

Detection of macro-LD

Profile Information

 Unit Code  Reporting Name  Available Separately  Always Performed 
 8344   Lactate Dehydrogenase (LD), S Yes Yes
 305   LD Isoenzymes, S No Yes

Special Instructions and Forms

• An Expanded Algorithm for the Laboratory Evaluation of Suspected Multiple Myeloma 

Method Name

305: Electrophoresis densitometry

8344: Photometric Rate

See "An Expanded Algorithm for the Laboratory Evaluation of
Suspected Multiple Myeloma" in Special Instructions.

Reporting Name

Lactate Dehydrogenase Isoenzymes, S

Ordering Mnemonic

LD-I

Aliases

Isoenzymes of Lactate Dehydrogenase (LD)

Lactate Dehydrogenase Isoenzymes, S

LD

LD Isoenzymes

LDH Fractionation

LDH Isoenzymes

Key