LDH (Lactate dehydrogenase) normal range — check your value

Roughly 140 to 280 U/L, varying by method.

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Your LDH (Lactate dehydrogenase) test value

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LDH (Lactate dehydrogenase)

U/L

What LDH (Lactate dehydrogenase) measures

An enzyme present in nearly every tissue, released whenever cells are damaged anywhere in the body.

LDH (Lactate dehydrogenase) normal range chart

ResultLDH (Lactate dehydrogenase) (U/L)

Below rangeBelow 135

In range135 – 250

Above range250 and above

These bands are for female, 31–45 years. Enter your age and gender above to see the bands for you. The table below shows the range for every age and gender.

LDH (Lactate dehydrogenase) normal range by age and gender

AgeMaleFemale

0–1 years170 – 580 U/L170 – 580 U/L

2–6 years120 – 300 U/L120 – 300 U/L

7–11 years120 – 300 U/L120 – 300 U/L

12–17 years120 – 300 U/L135 – 250 U/L

18–30 years135 – 250 U/L135 – 250 U/L

31–45 years135 – 250 U/L135 – 250 U/L

46–60 years135 – 250 U/L135 – 250 U/L

60 years and above135 – 250 U/L135 – 250 U/L

What a high LDH (Lactate dehydrogenase) means, and common causes

An enzyme present in almost every tissue. A raised level means cells are being damaged somewhere, without saying where.

Common causes: Haemolysis, including a haemolysed sample tube, liver disease, heart or muscle injury, infection, lymphoma and other cancers.

What a low LDH (Lactate dehydrogenase) means, and common causes

A low LDH has no clinical significance.

Common causes: Not applicable.

Frequently asked questions

Roughly 140 to 280 U/L, varying by method.

Because it is present everywhere, so it flags damage without localising it. It is used alongside other tests, never alone.

Sharir mein kahin cells toot rahe hain. Kaaran pata karne ke liye doosre test zaroori hote hain.

Please note. This page explains what a number means against reference ranges for your age and gender. It does not diagnose anything, cannot see the rest of your report, and is no substitute for a doctor. If your lab’s printed range differs, your lab’s range applies.