Factor IX Activity
Factor IX is a vitamin K-dependent coagulation factor made by the liver to sustain balanced hemostasis.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
60 – 150 %
60 – 150 %
60 – 150 %
What does a low result mean?
A modest dip can occur with oral anticoagulant treatment or lighter dietary intake of leafy greens providing vitamin K.
What does a high result mean?
An elevated level reflects healthy, active liver protein synthesis and carries no harmful clinical impact.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this align consistently with my activated partial thromboplastin time (aPTT)?
- Is my dietary vitamin K intake adequate?
- Is a follow-up assessment indicated?
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Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.