Optic Foramen Protein Profile (Serum/Plasma)
This test measures various proteins and substances in your blood that may relate to conditions affecting the optic nerve or surrounding structures, such as inflammation, infection, or metabolic disorders.
["Understanding your protein levels can help identify potential health concerns affecting vision or nerve function."]
Key facts at a glance
- LOINC
- 37609-5
- Short code
- XR Optic foramen 4V
- Synonyms
- XR Optic foramen 4V
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 0.8
- Ref high
- 1.2
- Critical range
- — – 5 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- xr
- CPT
- 85610
- SNOMED
- 396252006
- 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 This Test Measures
The optic foramen is a small opening in the skull where the optic nerve exits. This test evaluates proteins and biomarkers in serum or plasma that could indicate issues like optic neuritis, inflammation, or other systemic conditions. Specific analytes may include markers for immune response, nerve damage, or metabolic processes.
Common Uses
This test may be used to diagnose or monitor conditions such as optic neuritis, multiple sclerosis, or other neurological or inflammatory diseases that impact vision. It can also help assess metabolic disorders or infections affecting the optic nerve.
Sample Collection and Preparation
A blood sample is drawn from a vein, typically in your arm. The blood is processed to separate serum or plasma, which is then analyzed. This test requires fasting or specific dietary restrictions depending on the analytes measured.
Preparation and Timing
Follow your healthcare provider’s instructions regarding fasting or timing of the test. Some proteins may be affected by recent meals or hydration levels, so preparation is critical for accurate results.
Reference range
INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A
Inform your healthcare provider if you are taking blood thinners. No special preparation required.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Elevated or altered levels of certain proteins in this test can signal inflammation, nerve damage, infections, or metabolic imbalances. For example, increased inflammatory markers may indicate optic neuritis or autoimmune conditions. Low or abnormal levels could suggest deficiencies or other underlying health issues. Always discuss results with your doctor to interpret their meaning in your specific situation.
Frequently asked questions
Why might my doctor order this test?
What do the results mean?
Are there any risks or side effects?
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