Cognitive Function Assessment (Disorientation Screening)
This test evaluates how well your brain processes information, focusing on signs of confusion or difficulty recognizing surroundings.
["Assesses mental clarity and orientation to help identify potential cognitive concerns."]
Key facts at a glance
- LOINC
- 28381-2
- Short code
- DISORIENTATION
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- reported-hiv-ssc
- 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 Measures
Your provider may observe how you respond to questions about your current location, time, or identity. This is often done through a quick mental status exam rather than a blood or urine test, but results may be linked to broader cognitive function evaluations.
Why It’s Done
Doctors use this screening to check for confusion, memory issues, or other signs of cognitive decline. It can help identify problems like dementia, delirium, or brain injuries early, especially after trauma, surgery, or illness.
Common Causes
Disorientation can stem from medical conditions like infections, dehydration, medications, or neurological disorders. It may also appear temporarily due to stress, fatigue, or sleep deprivation.
What to Expect
You’ll likely meet with a healthcare provider who asks simple questions about your surroundings. No special preparation is needed, but bring a list of medications if you’re concerned about side effects.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Disorientation Screening
Frequently asked questions
Will this test involve blood or urine?
How long will the results take?
Can lifestyle changes help with disorientation?
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