LDH

A general marker of cell damage.

LDH: frosted glass sphere split in two halves on a dark surface
Image generated with AI.

LDH is found in almost every tissue and enters blood when cells are damaged. The typical range is about 140–280 U/L (it varies by method). It is not specific on its own.

CauseExample
Hemolysis (in the sample)Red cells broken in the tube: falsely high
Muscle, heart, liver damageHard exercise, infection, hepatitis
Blood disordersHemolytic anemia, some blood cancers
Sources
  • Farhana A, Lappin SL. Biochemistry, Lactate Dehydrogenase. StatPearls

General information only; not diagnosis or treatment. Review your results with your clinician.