Lactate Dehydrogenase

Last Modified: 10/22/2021 8:55:52 AM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Plasma from a PST Mint Green Top Tube - Lithium Heparin (preferred)
1.0 mL Serum in a SST Gold Top Tube
Collection Instructions: Avoid Hemolysis 
Minimum Volume: 0.2 mL
Transport & Storage: Temperature/Stability: 2 days Refrigerated

4 hours on cells
Reference Range:

1 day to 7 days: 250 - 475 Units/L
7 days to 1 year: 175 - 333 Units/L
1 year to 2 years: 150 - 285 Units/L
2 years to 16 years: 125 - 238 Units/L

Adult: 100 - 190 Units/L

Critical Ranges:  
Test Comments: For Elevated Results: 
Rarely, lactate dehydrogenase might be falsely elevated due to the presence of immunoglobulin-LD complex.  Samples from patients with unexpected high levels of lactate dehydrogenase should be investigated for the presence of immunoglobulin-complexed enzyme as a cause for such results.
Methodology: Enzymatic
Clinical Significance:  
Custom Panel: No


Stat Eligible: Yes
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Hospital Randallia, Parkview Huntington, Parkview Regional Medical Center
PHL Test Code: LD
EPIC Test Code: LAB96
Alternate Test Names: LD; LDH
Included Tests:  
CPT Coding: 83615

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