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Certification Number (CCN) – Clinical Laboratory Improvement Amendments (CLIA) Certification Verification

Published: August 9, 2026Updated: August 16, 2026

This test confirms your healthcare provider’s compliance with federal laboratory standards. It’s not a diagnostic test for medical conditions but ensures your lab meets quality and safety regulations.

Quick summary

["This test verifies your lab’s adherence to federal safety and accuracy standards—important for all patient care."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
68330-0
Short code
CMSCERTIFICATIONNUMBERCCN
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

What This Test Actually Measures

The test checks whether your lab has been certified by the Centers for Medicare & Medicaid Services (CMS) under the Clinical Laboratory Improvement Amendments (CLIA). It does not measure a specific substance or health condition but confirms regulatory compliance. This certification ensures your lab follows strict quality control, proper handling of specimens, and accurate test results.

Why It Matters for You

While you won’t receive a numeric result for this test, knowing your lab is CLIA-certified means you can trust that your blood, urine, or other specimens are processed safely and accurately. This certification is required for all labs in the U.S. to provide care.

How It Relates to Your Health

This test doesn’t diagnose illnesses or provide treatment guidance. Instead, it reassures you that your lab meets federal standards for testing accuracy and safety—critical for any diagnostic or screening tests you receive.

Common Scenarios This Test Appears In

You may see this certification when your lab confirms it meets federal requirements for routine tests (e.g., blood glucose, cholesterol, or pregnancy tests). It’s part of the lab’s ongoing compliance process, not tied to a specific health concern.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

How often do I need this test?
This isn’t a routine patient test—it’s a lab’s internal verification. You’ll only encounter it if your lab reports it as part of their certification process, which may happen annually or during audits. Your provider will notify you if this applies to your care.
Does this test affect my treatment plan?
No. This certification ensures your lab’s reliability but doesn’t influence medical decisions. Always discuss your test results with your healthcare provider.
What if my lab isn’t CLIA-certified?
If your lab lacks CLIA certification, it may not legally perform certain tests. Your provider would redirect you to a certified facility. Always confirm your lab’s certification status with your healthcare team.
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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.

Medical Disclaimer

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