Salivary gland function screening (qualitative or semi-quantitative panel)
This test evaluates the health and function of your salivary glands by analyzing saliva composition. It may help identify issues like dry mouth, gland inflammation, or other conditions affecting saliva production or quality.
This test helps diagnose or monitor conditions affecting saliva production and gland health.
Key facts at a glance
- LOINC
- 69128-7
- Short code
- Deprecated RF Salivary gland Bx needle guide
- Synonyms
- Deprecated RF Salivary gland Bx needle guide
- 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 Is Done
Your healthcare provider may recommend this test if you experience symptoms like chronic dry mouth, difficulty swallowing, or unexplained weight loss. It can also be part of a broader evaluation for conditions such as Sjogren’s syndrome, salivary gland tumors, or infections.
What to Expect Before the Test
No special preparation is needed. You may brush your teeth before the test to avoid interfering with saliva collection. Bring any medications you’re currently taking to discuss with your provider.
During the Test
A healthcare professional will collect saliva using a cotton swab or by letting saliva pool in your mouth. The sample is then analyzed to assess protein levels, enzyme activity, or other markers related to gland function.
Possible Results and Interpretation
Results are qualitative or semi-quantitative, meaning they describe relative levels rather than exact numbers. Abnormal findings may indicate reduced saliva production, inflammation, or other gland-related issues that require further medical evaluation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a key role in diagnosing conditions like salivary gland dysfunction, autoimmune diseases (e.g., Sjogren’s syndrome), or infections. Early detection can guide treatment options such as hydration, medications, or lifestyle adjustments to improve symptoms.
Short name
Salivary gland function test
Frequently asked questions
What causes abnormal salivary gland function test results?
How long does it take to get results?
Can I drink or eat before the test?
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