What causes high ESR and low APTT?

High ESR and low APTT can be caused by many reasons.

If your ESR is in between 0.1 mm/hr and 14 mm/hr and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for ESR and APTT respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of ESR : 0.1 - 14 mm/hr

Ideal values of ESR depending on age :

Age	Ideal ESR value
<5 years	2.021
5-10 years	2.042
10-15 years	2.064
15-20 years	2.086
20-25 years	2.108
25-30 years	2.13
30-35 years	2.153
35-40 years	2.176
40-45 years	2.199
45-50 years	2.222
50-55 years	2.246
55-60 years	2.27
60-70 years	2.294
70-80 years	2.318
80-90 years	2.343
90-100 years	2.368
>100 years	2.393

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

If you want your blood test report to be interpreted by ESR specialist, then you can upload your report. Our ESR 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 ESR levels include:

• Rheumatic fever
• Vascular disease
• Autoimmune diseases
• Inflammatory bowel disease
• Heart disease

If you want your blood test report to be interpreted by ESR specialist, you can upload your report. Our ESR 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 range of APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.233
5-10 years	22.469
10-15 years	22.707
15-20 years	22.948
20-25 years	23.191
25-30 years	23.437
30-35 years	23.685
35-40 years	23.936
40-45 years	24.19
45-50 years	24.446
50-55 years	24.705
55-60 years	24.967
60-70 years	25.232
70-80 years	25.499
80-90 years	25.769
90-100 years	26.042
>100 years	26.318

High ESR and low APTT can be caused by a lot of reasons. If you take ESR and APTT blood tests and the results are higher than 14 mm/hr for ESR and lower than 22 seconds for APTT, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the ESR and APTT Tests Are Done :

If your doctor wants ESR and APTT tests on you, you may need to go through these tests. During the ESR and APTT blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your ESR and APTT Test reports by your pathologist.

Medical References

• MedlinePlus – Erythrocyte Sedimentation Rate (ESR)
• Cleveland Clinic – Sedimentation Rate (ESR): What It Is & Normal Range
• Mayo Clinic – Sed rate (erythrocyte sedimentation rate)