Test Overview
Test Methodology
Electrophoresis, Spectrophotometry
Test Usage
Evaluation of myocardial infarction and liver disease.
Reference Range *
LD Isoenzymes: I (fast band): 18-32%; II: 29-42%; III: 14-30%; IV: 6-13%l V (slow band): 5-18%. Total LD level is also reported.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Monday - Friday
Analytic Time
3 - 7 days
Soft Order Code
SLM
MiChart Code
LDH (Lactate Dehydrogenase)
Synonyms
- LDH Isoenzymes
- Lactate Dehydrogenase Isoenzymes
Laboratory
Sendout
Reference Laboratory
Quest #4411
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in an SST tube. Centrifuge and aliquot serum into a plastic vial within 2 hours of collection. Store and transport at room temperature. Specimen cannot be refrigerated or frozen.
Special Handling
STRICT AMBIENT
Normal Volume
2 mL serum
Minimum Volume
1 mL serum
Storage Temperature
Ambient only, do NOT refrigerate or freeze
Additional Information
Includes total LDH. Test sent to Quest Laboratories.
Billing
CPT Code
83615, 83625
NY State Approved
No