Is APTT 105 high, normal or dangerous? What does APTT level 105 mean?

📅 Medical Review Date: June 9, 2026

APTT 105

Your APTT level of 105 is a High APTT level.

An APTT level of 105 seconds usually means blood takes longer than normal to clot. It suggests a bleeding disorder. High levels of APTT can cause excessive bleeding from cuts, easy bruising, nosebleeds, bleeding gums, heavy menstrual bleeding, and blood in urine or stool. This can be caused by hemophilia, liver disease, vitamin K deficiency, or certain medications. Further tests are often needed to identify the cause and guide appropriate treatment.

High APTT levels may indicate underlying health problems. The normal range is typically between 22 seconds and 35 seconds. 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.

Important - Scroll to the end of this article to see how our patients managed their high APTT levels 

⚠️ HIGH VALUE DETECTED

Your APTT is ⬆️ HIGH

Your level: 105 seconds (Normal range: 22–35 seconds)

105
APTT seconds
⬆️ Above Normal
Your Value 105 seconds
Normal Range 22–35 seconds
Severity Level MODERATE

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The normal APTT range for men is :22 - 35 seconds

Ideal values of APTT depending on age (male) :
Age Ideal APTT value
<5 years 22.231
5-10 years 22.464
10-15 years 22.7
15-20 years 22.938
20-25 years 23.179
25-30 years 23.422
30-35 years 23.668
35-40 years 23.917
40-45 years 24.168
45-50 years 24.422
50-55 years 24.678
55-60 years 24.937
60-70 years 25.199
70-80 years 25.464
80-90 years 25.731
90-100 years 26.001
>100 years 26.274

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

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

A video message on the treatment of your high APTT level

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

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

  • Liver disease
  • Vitamin K abnormality
  • Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
  • Hemophilia A and hemophilia B
  • Willebrand disease

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

📖 Everything You Need to Know About APTT 105 seconds



What does High APTT 105 seconds mean?

High APTT 105 seconds means that the APTT value in the blood is above the normal reference range.

This value measures how long it takes for blood to form a clot through the intrinsic and common clotting pathways. APTT plays an important role in assessing the blood's ability to clot properly and helps evaluate the function of several clotting factors.

An elevated value can occur temporarily, for example due to the effects of certain medications such as heparin or recent blood transfusions. In some cases, however, it can also be associated with deficiencies in clotting factors, liver problems, vitamin K deficiency, or autoimmune conditions. The value is considered an important indicator of the blood's clotting function and overall hemostasis.

This result can point to changes in the body's clotting system, which is why further examinations or checks may be recommended if necessary. An early assessment can help to better monitor the health status.

Understanding what a high value means requires looking at the full clinical picture, including other test results, medical history, and any symptoms. Only a healthcare professional can provide an accurate interpretation based on your individual situation.

Is High APTT 105 seconds dangerous?

High APTT 105 seconds can be considered concerning in certain cases, depending on how high the value is and the underlying reason for the elevation.

A mild elevation often causes no immediate complaints and may be related to medications such as heparin or mild, temporary factors. However, if the value rises significantly, the blood may take much longer to clot, which can increase the risk of prolonged bleeding from injuries or during medical procedures.

If the value remains elevated over a longer period of time, factors such as liver disease, clotting factor deficiencies, vitamin K deficiency, or the presence of inhibitors may play a role. Such persistent changes should not be left unaddressed and warrant medical evaluation.

Since a persistently elevated value can indicate health abnormalities related to clotting, medical clarification is recommended. Regular check-ups are important, even if no symptoms are present, to monitor trends over time and catch potential issues early.

The level of risk depends on multiple factors including your age, overall health, lifestyle, and the specific cause of the elevation. What may be harmless for one person could be significant for another, which is why professional medical interpretation is essential.

How can one lower High APTT 105 seconds?

To lower High APTT 105 seconds, it is important to take the underlying cause into account rather than simply trying to reduce the clotting time without understanding why it is elevated.

  • Addressing vitamin K deficiency through appropriate dietary intake or supplementation only if recommended by a doctor
  • Adjusting or discontinuing medications that prolong APTT, always under medical supervision
  • Treatment of existing conditions such as liver disease or clotting factor deficiencies
  • Management of autoimmune conditions or inhibitors if identified
  • Regular medical check-ups to monitor changes over time
  • Maintaining overall health through balanced nutrition and avoiding excessive alcohol

In particular, correcting nutritional deficiencies when present and following medical advice on medications can help to positively influence the value when temporary or reversible factors are involved. Addressing the root cause is always more effective than focusing on the number alone.

Depending on the cause, additional medical measures such as vitamin K administration, clotting factor replacement, or other specific therapies may be necessary. These treatments should only be undertaken under proper medical supervision. Medical advice is therefore important before making any significant changes.

Lifestyle adjustments can take several weeks to show effects on blood values in some cases. Consistency and patience are key, along with follow-up testing to ensure the approach is working appropriately for your situation.

Treatment of High APTT 105 seconds?

The treatment of High APTT 105 seconds depends entirely on the underlying cause and the extent of the elevation, as well as your individual health status and risk factors.

  • Treatment of underlying conditions such as liver disease, vitamin K deficiency, or clotting disorders
  • Adjustment or reversal of anticoagulant medications if appropriate and medically indicated
  • Administration of vitamin K or clotting factor concentrates in specific deficiencies
  • Regular blood tests to monitor trends and response to treatment
  • In certain cases, management of autoimmune conditions or addressing inhibitors
  • Collaboration with specialists like hematologists when needed

The appropriate treatment depends on the individual situation and should be assessed medically by a healthcare professional. Self-treatment without proper diagnosis can be ineffective or even harmful.

Through suitable measures, the value can be stabilized and general well-being supported. Many people see improvement within weeks to months when the underlying cause is properly addressed.

Continuous follow-up remains important in this process to adjust treatment as needed and ensure long-term health outcomes. Your doctor can help create a personalized plan that fits your specific needs and circumstances.

Frequently Asked Questions

What causes high APTT 105 seconds?

High APTT 105 seconds can be caused by deficiencies in clotting factors (such as in inherited disorders), vitamin K deficiency, liver disease, certain medications like heparin, lupus anticoagulant, or other inhibitors. A doctor can help identify the specific cause based on your full health picture and additional testing.

Should I be worried if my APTT is high like 105 seconds?

Not necessarily. Mild elevations are often related to medications or reversible factors and may not cause symptoms. However, persistently high values should be evaluated by a healthcare professional to rule out underlying conditions that may require treatment. Your doctor will consider the full context of your health before making any conclusions.

Can diet and lifestyle changes lower high APTT levels?

In some cases, yes. Ensuring adequate vitamin K intake through diet when appropriate, maintaining liver health by avoiding excessive alcohol, and following medical guidance on medications can help. Always consult your healthcare provider before making significant lifestyle changes, especially if an underlying medical condition is suspected.

Summary

High APTT 105 seconds indicates that the value is above the normal range and may be associated with changes in the blood's clotting ability, medication effects, or underlying health conditions.

Temporary causes such as certain medications are possible, but persistently elevated values should be medically clarified to rule out serious underlying conditions affecting hemostasis.

Early assessment and appropriate measures are important for maintaining good health. Through proper examinations and suitable care, health can be supported and maintained over time.

Understanding one's own blood values helps to make informed decisions for personal well-being and encourages productive conversations with healthcare providers about your health concerns.

Normal range of APTT found among women :22-35 seconds

Ideal values of APTT depending on age (female) :
AgeIdeal APTT value
<5 years 22.238
5-10 years 22.479
10-15 years 22.722
15-20 years 22.968
20-25 years 23.216
25-30 years 23.467
30-35 years 23.721
35-40 years 23.978
40-45 years 24.237
45-50 years 24.499
50-55 years 24.764
55-60 years 25.032
60-70 years 25.303
70-80 years 25.577
80-90 years 25.854
90-100 years 26.134
>100 years 26.417

If you take a APTT blood test and the results are not in the normal range (22-35 seconds), 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.

✨ Analyze Your APTT 105 seconds Result Instantly

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How the APTT Test Is Done :

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

Medical References

Symptoms
Dr. Hernandez - Pathologist

Medically Reviewed By

Dr. Hernandez, MD

BOARD CERTIFIED PATHOLOGIST

Laboratory Medicine Specialist

View Full Profile & Credentials →

Laboratory Expertise:

  • Clinical Pathology Certification
  • 15+ years lab analysis experience
  • Specializes in test interpretation
  • Medical Advisory Board Member

Medical Disclaimer: This information is for educational purposes and should not replace professional medical advice. Consult your physician for diagnosis and treatment. Read full disclaimer.

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