Compare this test’s laboratory options
Fibrinogen Antigen
Quest Diagnostics1 test optionFrom $94.29
Fibrinogen Antigen
Quest DiagnosticsCatalog information reviewed: August 24, 2026 by the Sunridge Medical clinical team.
What this laboratory test evaluates
Cardio IQ® Fibrinogen Antigen, Nephelometry
This test measures the level of fibrinogen in your blood, which can help identify bleeding disorders, liver disease, or conditions like disseminated intravascular coagulation (DIC). Fibrinogen is a protein that helps blood clot, so knowing its level can be crucial. High levels of fibrinogen can indicate inflammation or an increased risk of atherosclerosis, a condition that can lead to heart disease.
What patients is this test right for?This test may be recommended if you have symptoms or risk factors for bleeding disorders, liver disease, inflammation, or heart disease.
Low Fibrinogen Symptoms:• Easy bruising
• Excessive bleeding from cuts
• Bleeding gums
• Nosebleeds
High Fibrinogen Symptoms:• None specific, but related to conditions like inflammation or heart disease
What type of sample is required for this test?1 mL plasma collected in a 3.2% sodium citrate (light blue-top) tube.
Proper collection is important for accurate results.
Test ResourcesNot available
Additional test information
Cardio IQ® Fibrinogen Antigen, Nephelometry – This test measures the level of fibrinogen in your blood, which can help identify bleeding disorders, liver disease, or conditions like disseminated intravascular coagulation (DIC). Fibrinogen is a protein that helps blood clot, so knowing its level can be crucial. High levels of fibrinogen can indicate inflammation or an increased risk of atherosclerosis, a condition that can lead to heart disease.
Collection and processing
- Sample type: Plasma
- Fasting: Yes
- Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected
How Sunridge uses laboratory information
Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.
Before requesting this test
Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.
Common questions about this laboratory test
- What sample does this test require?
- The listed sample type is Plasma. Confirm current collection instructions in the approved order.
- Does this test require fasting?
- The current catalog record lists fasting as: Yes. Follow the instructions supplied with the approved order.
- How long does laboratory processing usually take?
- Results should be available in 2 – 5 business days after the sample is collected. Timing can change after collection or if a laboratory requires additional review.
About this test
Cardio IQ® Fibrinogen Antigen, Nephelometry
This test measures the level of fibrinogen in your blood, which can help identify bleeding disorders, liver disease, or conditions like disseminated intravascular coagulation (DIC). Fibrinogen is a protein that helps blood clot, so knowing its level can be crucial. High levels of fibrinogen can indicate inflammation or an increased risk of atherosclerosis, a condition that can lead to heart disease.
What patients is this test right for?This test may be recommended if you have symptoms or risk factors for bleeding disorders, liver disease, inflammation, or heart disease.
Low Fibrinogen Symptoms:• Easy bruising
• Excessive bleeding from cuts
• Bleeding gums
• Nosebleeds
High Fibrinogen Symptoms:• None specific, but related to conditions like inflammation or heart disease
What type of sample is required for this test?1 mL plasma collected in a 3.2% sodium citrate (light blue-top) tube.
Proper collection is important for accurate results.
Test ResourcesNot available
Additional details
Cardio IQ® Fibrinogen Antigen, Nephelometry - This test measures the level of fibrinogen in your blood, which can help identify bleeding disorders, liver disease, or conditions like disseminated intravascular coagulation (DIC). Fibrinogen is a protein that helps blood clot, so knowing its level can be crucial. High levels of fibrinogen can indicate inflammation or an increased risk of atherosclerosis, a condition that can lead to heart disease.
Highlighted health areas
- Cardiovascular
- Hematology
Biomarkers and report focus
The exact analytes and report format can change. Confirm the current contents in the Fullscript order before payment.
- Fibrinogen Antigen, Nephelometry