Serum or plasma mass concentration of extracellular matrix protein (e.g., fibronectin)
This test measures the amount of proteins found outside your cells, which help maintain tissue structure. These proteins can change in response to injury, inflammation, or certain health conditions.
["Changes in these proteins may signal tissue repair or disease processes."]
Key facts at a glance
- LOINC
- 69193-1
- Short code
- MR Extr
- Synonyms
- MR Extr
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- mr
- 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
What Is This Test Measuring?
Your healthcare provider may order this test to assess how your body is producing or breaking down proteins that support the framework of tissues. It can help evaluate conditions affecting connective tissue, such as wounds healing, fibrosis (scarring), or certain inflammatory or metabolic disorders.
Why Might You Need This Test?
This test might be used if you have symptoms like slow-healing wounds, unexplained swelling, or signs of tissue damage. It can also be part of monitoring for conditions like diabetes, kidney disease, or autoimmune disorders that impact protein production or breakdown.
Sample Collection and Preparation
A blood sample is drawn from a vein, usually in your arm. The blood is then processed to separate serum (liquid part after clotting) or plasma (liquid part after centrifugation). This sample is sent to a lab for analysis.
What Does the Result Mean?
Results are not typically provided in absolute numbers for this generic analyte, but they are compared to your baseline or clinical context. Elevated levels may suggest increased production or impaired breakdown, while lower levels could indicate reduced synthesis or loss.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Extracellular Matrix Protein Level
Frequently asked questions
Could I get false results if I’m on certain medications?
How soon will I get my results?
What if my results are outside the expected range?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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