Is LDH 421 high, normal or dangerous? What does Lactate dehydrogenase level 421 mean?

LDH 421

Your LDH level of 421 is a High LDH level.

High LDH levels may signal health problems. Generally, levels between 100 U/L to 190 U/L are considered normal. However, if your levels fall outside this range, it is important to seek medical advice. Consulting a doctor for abnormal creatinine levels is recommended.

Important - Go to the end of this article and read how our patients treated their high LDH levels 

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

Ideal values of LDH depending on age (male) :
Age Ideal LDH value
<5 years 104.21
5-10 years 108.597
10-15 years 113.169
15-20 years 117.933
20-25 years 122.898
25-30 years 128.072
30-35 years 133.464
35-40 years 139.083
40-45 years 144.938
45-50 years 151.04
50-55 years 157.399
55-60 years 164.025
60-70 years 170.93
70-80 years 178.126
80-90 years 185.625
90-100 years 185.296
>100 years 184.968

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

Get Advice via Email : Send us your blood test report, and our LDH experts will review it. Within 12 hours, you'll receive a detailed analysis and precise treatment guidance via email. If you have other blood test results besides LDH, please upload those as well. A comprehensive diagnosis often depends on evaluating all abnormalities for an accurate assessment. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high LDH levels after this video message 

A video message on the treatment of your high LDH level

If you want your blood test report to be interpreted by LDH specialist, you can upload your report. Our LDH expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high LDH levels 

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

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

Receive world-class medical opinion about your high LDH levels over email.Upload blood test report now

Important - At the end of this article read how our patients treated their high LDH levels 

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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 104.336
5-10 years 108.86
10-15 years 113.58
15-20 years 118.505
20-25 years 123.644
25-30 years 129.006
30-35 years 134.6
35-40 years 140.437
40-45 years 146.527
45-50 years 152.881
50-55 years 159.51
55-60 years 166.427
60-70 years 173.644
70-80 years 181.174
80-90 years 189.03
90-100 years 188.675
>100 years 188.321

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 recommends a LDH test, you'll likely undergo a simple blood draw specifically to measure LDH levels. A pathologist, a specialist in disease study, will collect a small blood sample from your veins using a needle. Your LDH test results are typically available within a few hours after the procedure.

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Dr. Dwayne Michaels
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Dr. Dwayne Michaels
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