Skip to content

Case Identification or Patient Identification Test (Qualitative)

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

This test is used to verify your identity and ensure accurate medical records. It does not measure a specific substance in your body.

Quick summary

["Always confirm your identity before any medical test to prevent errors in your care records."]

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

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

Specimen: serum

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?
No, this test does not produce a numerical result. It is a verification step to confirm your identity and link your medical records correctly.
How often will I need this test?
The frequency depends on your healthcare needs. You may need it during initial visits, for follow-up care, or whenever your medical records are accessed by different providers.
Can I skip this test if I feel uncomfortable?
No, skipping this test could lead to errors in your medical records. Always follow your healthcare provider’s instructions to ensure your safety and accurate care.
  1. 1
  2. 2
  3. 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.

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