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Understanding Your Laboratory Test: A Patient's Guide

Published: August 9, 2026Updated: August 10, 2026

This test measures the amount of acepromazine, a sedative medication, in your blood or body fluid.

Quick summary

{"Acepromazine is a sedative drug used primarily in veterinary medicine","This test detects the presence and concentration of acepromazine in serum","It may be ordered to monitor drug levels or check for accidental exposure","Results help healthcare providers assess sedation or toxicity","The test uses a blood sample collected from a vein"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 10, 2026Editorial policy

Key facts at a glance

LOINC
79136-8
Short code
ACEPRO
Synonyms
Acepromazine Fld-mCnc
Category
chemistry
Sample
serum
Container
Serum separator tube (SST) or plain red top tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
≥ 18 years
Method
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) or High-performance liquid chromatography (HPLC) with UV detection
CPT
80307 (Therapeutic drug assay; not elsewhere classified) or 80320 (Phenothiazine assay)
SNOMED
373508004 (Acepromazine measurement) or 78564009 (Phenothiazine measurement)
Specimen volume
2-5 mL of serum
Stability
Refrigerated (2-8°C) for up to 7 days; frozen (-20°C or lower) for longer storage up to 30 days; protect from light
Hemolysis max
50
Lipemia max
100
Icterus max
20
TAT
24–72 hours
Order
routine

This test is a laboratory procedure that helps your healthcare provider evaluate your health by analyzing a sample, such as blood or urine, to detect a medical condition, monitor ongoing treatment, or confirm that your body is functioning normally.

The Acepromazine test measures how much acepromazine is present in your body fluid, typically blood serum. Acepromazine (also called acetylpromazine) is a phenothiazine-derived sedative and tranquilizer that is commonly used in veterinary medicine to calm animals during procedures or transport. In human medicine, this test may be ordered to check for drug exposure, monitor therapeutic levels, or evaluate symptoms of overdose.

Your doctor may order this test to help diagnose the cause of symptoms you are experiencing, screen for disease risk factors before problems develop, or track how well a current treatment plan is working over time.

Your healthcare provider may order this test if you are experiencing symptoms that could be related to acepromazine exposure, such as excessive drowsiness, dizziness, or low blood pressure. It may also be used to monitor patients who have been prescribed this medication, or to investigate accidental or intentional overdose. In some cases, the test may be part of a broader toxicology screening.

The test is usually performed by a trained technologist who collects a small sample, often from a vein in your arm, using a sterile needle. The procedure typically takes only a few minutes, and you may feel a brief pinch before the sample is sent to the laboratory for analysis.

A healthcare professional will draw a blood sample from a vein in your arm. The blood is collected into a tube and sent to a laboratory for analysis. The test measures the mass or concentration of acepromazine per volume of serum. Before the test, inform your doctor about any medications or supplements you are taking, as these may affect the results.

Your results show whether your values fall within the normal reference range. Normal results generally suggest no abnormality, while values that are too high or too low may point to a condition that needs further evaluation. Your healthcare provider will explain your specific numbers and discuss any next steps with you.

Results are reported as a concentration value. The therapeutic and toxic ranges may vary depending on the laboratory and the specific context. Low or undetectable levels typically mean no significant exposure. Elevated levels may indicate recent use, accidental ingestion, or overdose. Your doctor will interpret your results alongside your symptoms and medical history.

Reference range

No established therapeutic reference range for humans; detection of presence/absence or quantitation for veterinary or forensic purposesN/A

Specimen: serum

No special preparation required; inform laboratory of current medications including acepromazine or other phenothiazines

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

The acepromazine test is primarily used in clinical toxicology to detect and quantify drug exposure. It helps healthcare providers diagnose poisoning or overdose, monitor treatment effectiveness, and guide supportive care. While acepromazine is mainly used in animals, human exposure can occur through accidental ingestion, occupational contact, or contaminated products. Detecting acepromazine in serum can aid in distinguishing drug-induced symptoms from other conditions.

Frequently asked questions

Is the test painful?
You may feel a brief sting or pinch when the needle is inserted to draw blood. The discomfort is usually minimal and temporary. After the blood is drawn, you may have a small bruise at the puncture site.
How long does it take to get results?
The turnaround time varies by laboratory but is typically a few days. Your healthcare provider will contact you with the results or discuss them at your next appointment.
Do I need to fast before the test?
Follow your healthcare provider's instructions. Some tests may require fasting, while others do not. Always inform your doctor about any medications, supplements, or foods you have recently consumed.
What happens if my levels are high?
Elevated acepromazine levels may indicate overdose or toxicity. Your doctor will evaluate your symptoms and may recommend supportive treatment, such as monitoring vital signs, intravenous fluids, or other interventions depending on the severity.
Can this test detect acepromazine in other body fluids?
While serum (blood) is the most common sample, the test can sometimes be performed on other body fluids if needed. The standard test is specifically calibrated for serum samples.
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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 10, 2026. · Read our editorial policy