Is LDH 296 high, normal or dangerous? What does Lactate dehydrogenase level 296 mean?

📅 Medical Review Date: September 1, 2025

Your LDH level of 296 is a High LDH level.

An LDH level of 296 U/L usually means tissue damage has occurred somewhere in the body. It suggests cell injury or destruction. High levels of LDH can cause fatigue, muscle pain, shortness of breath, dark urine, fever, and jaundice depending on which tissue is affected. This can be caused by heart attack, liver disease, kidney disease, muscle injury, or certain cancers. Further tests are often needed to identify the cause and guide appropriate treatment.

High LDH levels may indicate underlying health problems. The normal range is typically between 100 U/L and 190 U/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal LDH range for men is :100 - 190 U/L

Ideal values of LDH depending on age (male) :

Age	Ideal LDH value
<5 years	102.96
5-10 years	106.008
10-15 years	109.146
15-20 years	112.377
20-25 years	115.703
25-30 years	119.128
30-35 years	122.654
35-40 years	126.285
40-45 years	130.023
45-50 years	133.872
50-55 years	137.835
55-60 years	141.915
60-70 years	146.116
70-80 years	150.441
80-90 years	154.894
90-100 years	159.479
>100 years	164.2

*Ideal values are calculated based on our database of patient records

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

Some examples of conditions that increase or decrease LDH levels include:

• Acute kidney disease
• Acute liver disease
• Sepsis
• Infections such as infectious mononucleosis
• Pancreatitis

Normal range of LDH found among women :100-190 U/L

Ideal values of LDH depending on age (female) :

Age	Ideal LDH value
<5 years	103.049
5-10 years	106.191
10-15 years	109.429
15-20 years	112.765
20-25 years	116.203
25-30 years	119.746
30-35 years	123.397
35-40 years	127.159
40-45 years	131.036
45-50 years	135.031
50-55 years	139.148
55-60 years	143.39
60-70 years	147.762
70-80 years	152.267
80-90 years	156.909
90-100 years	161.693
>100 years	166.623

If you take a LDH blood test and the results are not in the normal range (100-190 U/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the LDH Test Is Done :

When your doctor orders a LDH test, it involves a straightforward blood draw to measure your LDH levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your LDH test results are usually available within a few hours.

Medical References

• MedlinePlus – Lactate Dehydrogenase (LDH) Test
• Cleveland Clinic – LDH (Lactate Dehydrogenase) Test: What It Is & Results
• MedlinePlus – LDH isoenzyme blood test