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Serum Fibronectin Concentration (Mass Concentration)

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

This test measures the amount of fibronectin, a protein in your blood that helps wounds heal and supports blood vessel formation. Fibronectin levels can be checked to assess tissue repair, inflammation, or certain health conditions.

Quick summary

["Fibronectin helps your body heal wounds and maintain blood vessel health—levels may signal healing progress or underlying issues."]

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

Key facts at a glance

LOINC
13173-0
Short code
Fibronectin Aggr IgA Ser-aCnc
Synonyms
Fibronectin Aggr IgA Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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?

Doctors may order this test to evaluate how well your body is repairing damaged tissues, especially after injuries, surgeries, or conditions like kidney disease or liver problems. It can also help monitor chronic conditions like diabetes or inflammatory diseases.

What Does a Result Mean?

Fibronectin levels can vary based on health status, age, and medical conditions. Lower levels might indicate poor wound healing, organ damage, or severe illness, while higher levels could suggest acute inflammation or infection.

How Is the Test Performed?

A blood sample is drawn from a vein, usually in your arm. The sample is sent to a lab where fibronectin is measured using a specialized technique, such as immunoassay or nephelometry, to detect its concentration in your serum.

What Are Common Conditions Monitored?

This test is often used in research or specialized care to track healing in wounds, kidney disease, liver disease, or after trauma. It may also help assess vascular health or response to treatments for inflammatory conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Fibronectin Level

Frequently asked questions

What does a low fibronectin result mean?
A low fibronectin level may suggest impaired wound healing, organ damage (such as kidney or liver issues), or severe illness that affects protein production in your body.
How long does it take to get results?
Results are typically available within 1 to 3 business days, depending on your lab’s processing time. Follow-up with your healthcare provider for interpretation.
Can diet or medications affect fibronectin levels?
Dietary factors or certain medications (like some antibiotics or anti-inflammatory drugs) may indirectly influence protein levels, but fibronectin testing itself does not require special preparation beyond standard blood draw guidelines.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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