The "normal range" for LDH can vary, depending on the lab that does your test. For purposes of this guide, we are considering 190 U/L or higher to be an abnormal result, elevated above the normal range.

Your LDH level is above the normal range.

Because an LDH blood level can be abnormal for many reasons, let's consider your situation. By answering a couple more questions, you will get a better sense of what your normal result means for you.

Why did your doctor order this test?

Routine blood tests as part of my physical

I have cancer or lymphoma

I have a lung problem

To evaluate anemia (low red blood cell count)

Another reason, or I don't know