What Is LDH in a Blood Test?
LDH is an enzyme found in nearly all body tissues. It rises when any tissue is damaged.
Normal Range
- 140–280 U/L
Elevated LDH Causes
- Liver disease
- Hemolytic anemia
- Cancer (especially lymphoma)
- Muscle injury
- Heart attack
- Pulmonary embolism
- Kidney disease
Why Non-Specific
- LDH is in every cell
- Does not identify the source
- Interpret with other tests
Source: NLM MedlinePlus, American Association for Clinical Chemistry.
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