Is Platelet count 491 high, normal or dangerous? What does Platelet count level 491 mean?

📅 Medical Review Date: October 13, 2025

Your Platelet count level of 491 is a High Platelet count level.

High Platelet count levels may indicate underlying health problems. The normal range is typically between 150 thou/uL and 450 thou/uL. 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 Platelet count range for men is :150 - 450 thou/uL

Ideal values of Platelet count depending on age (male) :

Age	Ideal Platelet count value
<5 years	157.365
5-10 years	165.092
10-15 years	173.198
15-20 years	181.702
20-25 years	190.624
25-30 years	199.984
30-35 years	209.803
35-40 years	220.104
40-45 years	230.911
45-50 years	242.249
50-55 years	254.143
55-60 years	266.621
60-70 years	279.712
70-80 years	293.446
80-90 years	307.854
90-100 years	322.97
>100 years	338.828

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

Get Advice via Email : Send us your blood test report, and our Platelet count experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Platelet count, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

A video message on the treatment of your high Platelet count level

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Some examples of conditions that increase or decrease Platelet count levels include:

• Sepsis
• Platelets may be used up quickly in serious conditions, such as disseminated intravascular coagulation
• Bone marrow damage
• Inflammatory bowel disease (IBD)
• Viral infections such as mononucleosis

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

Normal range of Platelet count found among women :150-450 thou/uL

Ideal values of Platelet count depending on age (female) :

Age	Ideal Platelet count value
<5 years	157.586
5-10 years	165.556
10-15 years	173.929
15-20 years	182.725
20-25 years	191.966
25-30 years	201.674
30-35 years	211.873
35-40 years	222.588
40-45 years	233.845
45-50 years	245.671
50-55 years	258.095
55-60 years	271.148
60-70 years	284.861
70-80 years	299.267
80-90 years	314.402
90-100 years	330.302
>100 years	347.006

If you take a Platelet count blood test and the results are not in the normal range (150-450 thou/uL), 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 Platelet count Test Is Done :

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

Medical References

• Cleveland Clinic – Platelet Count (PLT): Normal Range, Test Results & Meaning
• MedlinePlus – Platelet Tests
• MedlinePlus – Platelet count