The Lactate dehydrogenase (LDH) looks at an enzyme released when cells are damaged. It is done for: haemolysis, some cancers, tissue damage.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Haemolysis, some cancers, tissue damage.
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: Cell damage of many kinds. Low or negative may mean: Not usually a concern. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
An enzyme released when cells are damaged.
Blood
Cell damage of many kinds.
Not usually a concern.
Reference ranges vary by lab, age and sex — always use the range printed on your own report.
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does the Lactate dehydrogenase (LDH) measure?
An enzyme released when cells are damaged.
Why is the Lactate dehydrogenase (LDH) done?
Haemolysis, some cancers, tissue damage.
Do I need to fast for the Lactate dehydrogenase (LDH)?
No fasting needed.
What does a high or positive Lactate dehydrogenase (LDH) mean?
Cell damage of many kinds.
What does a low or negative Lactate dehydrogenase (LDH) mean?
Not usually a concern.
What is the normal range for the Lactate dehydrogenase (LDH)?
Laboratory-specific; see the reference range on your report.
Why is Lactate dehydrogenase (LDH) done?
Haemolysis, some cancers, tissue damage.
Do I need to prepare or fast for Lactate dehydrogenase (LDH)?
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: Cell damage of many kinds. Low or negative may mean: Not usually a concern. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
SI text CC BY 4.0; decoder reference data (cited per range); LOINC codes free with attribution (notice included).
Sources: SI health summary (own words); MedlinePlus Lab Tests and CDC as references