Case Identification or Patient Identification Test (Qualitative)
This test is used to verify your identity and ensure accurate medical records. It does not measure a specific substance in your body.
["Always confirm your identity before any medical test to prevent errors in your care records."]
Key facts at a glance
- LOINC
- 94659-0
- Short code
- CASEID
- Synonyms
- Case ID
- Category
- chemistry
- Sample
- serum
- Container
- Serum separator tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 0–120 years
- Specimen volume
- 1 mL serum
- Stability
- Stable at room temperature for 24 hours; refrigerated for 7 days
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Healthcare providers use this test to confirm your identity when you visit the clinic, hospital, or lab. It helps ensure that your medical information, test results, and treatments are correctly linked to you. This is especially important for patients receiving multiple treatments or those with complex medical histories.
What to Expect Before the Test
You will typically be asked to provide a sample of your blood, urine, or other bodily fluid (depending on the specific test protocol). The provider will verify your identity using a government-issued ID or another official document. No special preparation is needed unless instructed otherwise by your healthcare team.
During the Test Process
The test involves a simple verification step, often done through a visual check or digital scan of your ID. The actual measurement of a substance is not performed—this test is purely for identification purposes. Results are not reported numerically but are used internally to match your records.
What the Results Mean
Since this test does not measure a biological substance, the results are not provided to you in a numerical or qualitative form. Instead, it confirms that your identity matches the records in the system. If there is a discrepancy, your healthcare provider will address it immediately.
Reference range
Not applicable - identifier fieldN/A
No special preparation required for case identifier collection
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
Will I receive a numerical result from this test?
How often will I need this test?
Can I skip this test if I feel uncomfortable?
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