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3453: Lactate Dehydrogenase (LD) Isoenzymes Print View
LD Isoenzyme 1 AE  16 - 32  % of total 
LD Isoenzyme 2 AE  29 - 42  % of total 
LD Isoenzyme 3 AE  17 - 27  % of total 
LD Isoenzyme 4 AE  6 - 13  % of total 
LD Isoenzyme 5 AE  3 - 17  % of total 
Lactate Dehydrogenase Total KS  view ref range  U/L 

PRIMARY
1 Serum 2 (1) mL   Room Temperature - 7 Day(s)  
ALTERNATE

The LD isoenzyme pattern is useful to evaluate the source of elevated LD activity. LD isoenzyme elevation associations: LD1: germ cell tumors; LD1>LD2: renal or myocardial infarction, megaloblastic anemia, hemolysis; LD3: platelet destruction, reactive, lymphadenopathy, lymphoma, lymphocytosis, pulmonary infarction, pneumonia, advanced cancer, acute pancreatitis; LD4, LD5: various solid tumors; LD5: primary liver disease, liver anoxia, muscle injury or dystrophy; All forms: renal disease, carcinomatosis, collagen vascular vascular disease, overwhelming sepsis, DIC
Setup Schedule
Monday, Thursday

Reported (Analytical Time)
Same day

CPT Codes
83615,83625

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Avoid hemolysis. Icteric and lipemic sample are not acceptable.






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