: Buspirone, Serum or Plasma, Qualitative by Liquid Chromatography
: This test detects whether buspirone, an anti-anxiety medication, is present in a blood sample using a chromatographic laboratory method. It is a qualitative check, meaning it reports presence rather than an exact amount.
[": The test screens for the presence of buspirone in serum or plasma without measuring a precise level."]
Key facts at a glance
- LOINC
- 73494-7
- Short code
- busPIRone ind plt IgM SerPl Ql FC
- Synonyms
- busPIRone ind plt IgM SerPl Ql FC
- Category
- hematology
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 60
- Ref high
- 170
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- flow-cytometry
- CPT
- 83540
- 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 Checks
: Buspirone is a prescription medicine used to treat anxiety. This test looks for the drug in the liquid portion of blood (serum or plasma). Because it is qualitative, the result tells you whether buspirone was detected, not the exact concentration.
: How the Sample Is Analyzed
: The laboratory uses liquid chromatography, a technique that separates substances in a sample so they can be identified. This method can distinguish buspirone from other compounds that might be present in the blood.
: Why Your Clinician Might Order It
: A clinician may request this test to confirm that a medication was taken, to investigate unexpected symptoms, or as part of a broader drug evaluation. It is not a routine test and is ordered based on your specific situation.
: What the Result Means
: A "detected" result means buspirone was found in the sample, while "not detected" means it was not found at the test's detectable limit. Results should always be interpreted by your clinician alongside your medication history and other findings.
Reference range
NCBI: Serum Iron Male 65-180; Female 50-170 µg/dLN/A
Fasting for 12 hours preferred. Iron supplements should be stopped 24 hours before if possible.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
: Buspirone is a commonly prescribed anxiolytic, and qualitative detection can support medication adherence checks or help evaluate possible drug exposure. Because this is a presence-only test and not a quantitative measurement, it cannot by itself confirm dosing adequacy or toxicity; interpretation depends on timing of the last dose, individual metabolism, and the specific laboratory method used.
Short name
: Buspirone (Qualitative)
Frequently asked questions
: Does this test tell me the exact amount of buspirone in my blood?
: Can the result be affected by when I last took my medication?
: Do I need to prepare or fast before this test?
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 17, 2026. · Read our editorial policy