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Fibrinogen with Titration Method (Serum)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of fibrinogen in your blood, a protein crucial for blood clotting. It helps assess your risk of bleeding or clotting disorders.

Quick summary

["Fibrinogen levels can indicate bleeding or clotting risks."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
43344-1
Short code
FAdV127 Ab Titr Ser
Synonyms
FAdV127 Ab Titr Ser
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your doctor may order this test if you have symptoms of bleeding problems (like excessive bruising or nosebleeds), signs of clotting issues (such as unexplained blood clots), or if you’re scheduled for surgery. It can also help monitor conditions like liver disease, which can affect fibrinogen production.

How Is the Sample Collected?

A blood sample is drawn from a vein, usually in your arm. The blood is placed in a tube and sent to the lab for testing. The test measures fibrinogen levels using a titration method, which involves mixing the sample with a reagent to determine its concentration.

What Does the Result Mean?

Fibrinogen levels can vary based on health, age, and medications. While specific reference ranges aren’t provided here, low levels may suggest bleeding disorders or liver disease, while very high levels could indicate inflammation or clotting risks. Always discuss results with your healthcare provider.

Common Conditions Monitored

Fibrinogen is often checked in people with suspected bleeding disorders (like hemophilia), those with liver disease (since the liver produces fibrinogen), or those at risk for clotting after surgery or during pregnancy.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Fibrinogen

Frequently asked questions

What might cause abnormal results?
Fibrinogen levels can be affected by liver disease, infections, pregnancy, or certain medications. Very low levels may signal bleeding risks, while very high levels could indicate inflammation or other health concerns. Your doctor will consider your full medical history when interpreting results.
How often should I get this test?
The frequency depends on your health needs. If you have a condition like liver disease or a bleeding disorder, your doctor may recommend regular monitoring. Otherwise, this test is usually done as needed for specific situations, such as before surgery or during symptom evaluation.
Can I prepare for this test?
No special preparation is needed. You may have some mild discomfort from the needle, but it’s a quick procedure. Avoid heavy exercise or eating before the test if your doctor advises it, though this depends on the reason for the test.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy