What does high WBC and APTT mean in blood test?

High WBC and APTT can be caused by numerous problems.

High levels of WBC and APTT in the blood indicate a variety of health problems. If your blood WBC level is between 4 thou/uL to 11 thou/uL and the APTT level is between 22 thou/uL to 35 seconds, then your body does not have any underlying health problems. But if WBC and APTT levels exceed these levels, you should see a doctor immediately.

Normal WBC range : 4 - 11 thou/uL

Age-wise ideal WBC level in blood:

Age	Ideal WBC value
<5 years	4.184
5-10 years	4.376
10-15 years	4.577
15-20 years	4.788
20-25 years	5.008
25-30 years	5.238
30-35 years	5.479
35-40 years	5.731
40-45 years	5.995
45-50 years	6.271
50-55 years	6.559
55-60 years	6.861
60-70 years	7.177
70-80 years	7.507
80-90 years	7.852
90-100 years	8.213
>100 years	8.591

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

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

1,37,160

Total number of patients treated

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

• Infections, most commonly caused by bacteria and some viruses, less commonly by fungi or parasites
• Bone marrow damage
• Overwhelming infections (e.g., sepsis)
• Inflammation or inflammatory conditions such as vasculitis or inflammatory bowel disease
• Myelodysplastic syndrome

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

Normal APTT range : 22 - 35 seconds

Age-wise ideal APTT level in blood:

Age	Ideal APTT value
<5 years	23.012
5-10 years	24.071
10-15 years	25.178
15-20 years	26.336
20-25 years	27.547
25-30 years	28.814
30-35 years	30.139
35-40 years	31.525
40-45 years	32.975
45-50 years	34.492
50-55 years	34.419
55-60 years	34.346
60-70 years	34.273
70-80 years	34.201
80-90 years	34.128
90-100 years	34.056
>100 years	33.984

High WBC and APTT levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 11 thou/uL for WBC and more than 35 seconds for APTT, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a WBC and APTT test. In most hospitals WBC and APTT results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.