Salivary gland biopsy with guided imaging for protein or cellular analysis (e.g., immunophenotyping, enzyme activity, or structural assessment)
This test involves a small tissue sample taken from your salivary glands to examine their structure, function, or specific proteins/cells. It may be used to diagnose conditions like salivary gland inflammation, tumors, or genetic disorders.
["A guided biopsy helps ensure accurate sampling for detailed analysis of salivary gland health."]
Key facts at a glance
- LOINC
- 69075-0
- Short code
- RF Guided Salivary gland Bx
- Synonyms
- RF Guided Salivary gland Bx
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- rf
- CPT
- 86430
- 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 This Test Might Be Ordered
Your healthcare provider may recommend this test if you have symptoms such as persistent swelling, pain, or difficulty swallowing in your salivary glands. It could also be part of evaluating unexplained salivary gland abnormalities detected on imaging or blood tests.
What to Expect Before the Test
You may need to avoid certain medications (e.g., blood thinners) or fasting, depending on the procedure. Your provider will guide you on preparation, including any precautions to take before the biopsy.
During the Test: Procedure Details
A small needle guided by imaging (like ultrasound or CT) will collect tissue from your salivary gland under local anesthesia. The procedure is usually quick and may cause mild discomfort. You’ll likely be able to return home the same day.
Sample Analysis: What Happens Next
The collected tissue will be examined under a microscope or tested for specific proteins/enzyme activity. This helps identify structural changes, inflammation, or other abnormalities that may explain your symptoms.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Results from this test can confirm or rule out conditions such as sialadenitis (inflammation), salivary gland tumors, or genetic disorders like Sjogren’s syndrome. It may also guide treatment decisions, such as medication adjustments or further diagnostic steps.
Frequently asked questions
How long will I need to wait for results?
Will I need to do anything special after the test?
Can I drink or eat before the biopsy?
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