Is LDH 313 high, normal or dangerous? What does Lactate dehydrogenase level 313 mean?

📅 Medical Review Date: September 7, 2025

Your LDH level of 313 is a High LDH level.

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	103.13
5-10 years	106.358
10-15 years	109.687
15-20 years	113.12
20-25 years	116.661
25-30 years	120.312
30-35 years	124.078
35-40 years	127.962
40-45 years	131.967
45-50 years	136.098
50-55 years	140.358
55-60 years	144.751
60-70 years	149.282
70-80 years	153.955
80-90 years	158.774
90-100 years	163.744
>100 years	168.869

*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	103.224
5-10 years	106.552
10-15 years	109.987
15-20 years	113.533
20-25 years	117.193
25-30 years	120.971
30-35 years	124.871
35-40 years	128.897
40-45 years	133.053
45-50 years	137.342
50-55 years	141.77
55-60 years	146.341
60-70 years	151.059
70-80 years	155.929
80-90 years	160.956
90-100 years	166.145
>100 years	171.501

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