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Test Code LDHISO Lactate Dehydrogenase (LD) Isoenzyme Electrophoresis, Serum

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:

Lactate Dehydrogenase Isoenzymes, Serum  

AllScripts (AEHR) Orderable: 

Lactate Dehydrogenase Isoenzymes, Serum

Performing Laboratory

Quest Diagnostics' Nichols Institute, Inc. - Chantilly


Electrophoresis, Spectrophotometry

Specimen Requirements

Container/Tube:  Gold-top tube(s)

Specimen:  2 mL of serum (1 mL min)

Transport Temperature:  Room Temperature


Note: Centrifuge serum specimens within 1 hour of collection,

Reference Values

See Reference Report


Test Includes; LD, Total and LD, Isoenzymes (LD1 ,LD2 ,LD3, LD4, LD5)

Test Classification and CPT Coding

83615 - LDH

83625 - isoenzyme

Day(s) and Time(s) Performed

Monday, Wednesday and Friday


TAT 1 - 2 days

Useful For

Lactate Dehydrogenase (LD) is an enzyme that is present in many different organs and tissues. LD Isoenzymes (LDI) are useful in distinguishing the different isoenzymes expressed differentially in tissues and organs, e.g., cardiac muscle, skeletal muscle, and liver.

Computer Interface Code

PDM #  5300195