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Olanapine concentration in serum/plasma (24-hour urine collection)

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

This test measures the amount of olanapine, a metabolite of the antipsychotic medication olanzapine, in your urine over a 24-hour period.

Quick summary

["It helps assess drug exposure and potential toxicity from olanzapine-related compounds."]

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

Key facts at a glance

LOINC
72984-8
Short code
OLANZapine (neut) IgG SerPl Ql FC
Synonyms
OLANZapine (neut) IgG SerPl Ql FC
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
flow-cytometry
CPT
82784
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 Test Might Be Ordered

Your healthcare provider may request this test if you’re taking olanzapine or a related medication to monitor for therapeutic levels or signs of excessive exposure. It could also be used in cases of suspected overdose or to evaluate metabolic processing in certain conditions.

What to Expect Before the Test

You’ll need to collect all urine produced in a 24-hour period (typically from midnight to midnight) in a sterile container. Follow your provider’s instructions carefully to ensure accurate results.

What the Test Results Mean

Results indicate the total amount of olanapine metabolite in your urine. Elevated levels may suggest improper metabolism, overdose risk, or non-compliance with medication. Your provider will interpret results in the context of your medical history and treatment plan.

Common Reasons for Abnormal Results

Low levels might indicate insufficient medication absorption or rapid metabolism, while very high levels could signal overdose, liver impairment, or improper drug handling. Always discuss any concerns with your healthcare team.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Olanapine Urine Toxicology (24-hour)

Frequently asked questions

What questions might you have about this test?
This test is primarily used to monitor olanapine metabolite exposure in urine, not to diagnose specific conditions like kidney or liver disease. It’s not a routine screening test unless indicated for drug-related reasons.
How often will I need this test?
Frequency depends on your treatment plan. Your provider will determine how often to repeat this test based on your symptoms, medication regimen, and lab results.
Can I drink alcohol before this test?
Alcohol may affect urine volume or olanapine metabolism. Follow your provider’s specific instructions regarding fluid intake and alcohol consumption before the test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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