Contact Information Verification (Patient-Reported Phone Number)
Your healthcare provider may ask you to confirm your contact phone number during lab test follow-up to ensure safe communication.
["This step helps verify who to reach you for test results or urgent updates."]
Key facts at a glance
- LOINC
- 71751-2
- Short code
- PRIMARYCONTACTPHONENUMBER
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 Matters for Your Test Results
This is not a blood test or lab measurement, but a verification step to confirm your contact details. It ensures you receive important information about your test results promptly.
What to Expect During This Process
You’ll likely be contacted by your healthcare team (via phone or email) to confirm your phone number. This is standard practice for patient safety and to avoid delays in result communication.
How This Affects Your Health
While this step doesn’t measure your health directly, it helps prevent errors in result delivery. If your number changes, update it with your provider immediately.
Common Reasons for This Request
Providers may ask for confirmation if your test results are critical (e.g., cancer screening, urgent lab values) or if there’s a risk of miscommunication.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: Patient Safety and Communication
Frequently asked questions
Why was my contact number requested for this test?
Is this related to my blood test results?
How long will this verification take?
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