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Acetophenazineserplql

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

This test measures the amount of acetophenazine in your blood to help your doctor ensure you're receiving the right dose of medication.

Quick summary

{"Measures acetophenazine levels in serum or plasma","Helps doctors monitor proper dosing and treatment effectiveness","Ensures drug levels stay within the therapeutic range","Used for patients taking acetophenazine for psychiatric conditions","Can help prevent side effects from too much medication"}

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

Key facts at a glance

LOINC
26925-8
Short code
ACPHZN
Synonyms
Acetophenazine SerPl Ql
Category
chemistry
Sample
serum
Container
Serum separator tube (SST - gold top) 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 Gas chromatography-mass spectrometry (GC-MS)
CPT
80307 (Drug testing, qualitative, single drug class)
SNOMED
373505004 (Acetophenazine measurement)
Specimen volume
3-5 mL of venous blood
Stability
Room temperature: 24 hours; Refrigerated (2-8°C): 7 days; Frozen (-20°C or below): 30 days
Hemolysis max
50
Lipemia max
300
Icterus max
20
TAT
24–72 hours
Order
routine

What is this test?

The Acetophenazine test is a blood test that measures the amount of acetophenazine in your serum or plasma. Acetophenazine is an antipsychotic medication belonging to the phenothiazine class, primarily used to treat schizophrenia and other psychiatric disorders. This test helps your healthcare provider monitor whether the drug level in your body is within the appropriate therapeutic range.

Why do I need this test?

Your doctor may order this test to: monitor the effectiveness of your acetophenazine treatment, ensure you are receiving the correct dose, check if your body is processing the medication properly, and prevent potential side effects from too high or too low drug levels. Regular monitoring helps maintain optimal treatment outcomes.

How is the test performed?

A healthcare professional will draw a small blood sample from a vein in your arm. The blood will be collected in a tube and sent to a laboratory for analysis. The test requires a serum or plasma sample, which is processed to measure the concentration of acetophenazine.

What should I do before the test?

Follow your doctor's instructions regarding timing of the test in relation to your medication dose. You may need to have your blood drawn at a specific time, such as before taking your next dose (trough level) or at a consistent time after dosing. Inform your doctor about all medications, supplements, or herbal products you are taking, as these may affect test results.

Reference range

Not Detected - Acetophenazine should not be present in serum/plasma from patients not receiving this medicationN/A

Specimen: serum

No specific preparation required. Inform laboratory of current medication list including acetophenazine dosage and time of last dose. Collect specimen as trough level (just before next scheduled dose) for therapeutic monitoring.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

What is acetophenazine used for?
Acetophenazine is an antipsychotic medication primarily used to treat schizophrenia and other psychotic disorders. It helps manage symptoms such as hallucinations, delusions, and disorganized thinking.
What is the therapeutic range for acetophenazine?
The specific therapeutic range may vary by laboratory and individual patient factors. Your doctor will interpret your results based on your specific condition, symptoms, and response to treatment.
How often will I need this test?
The frequency of testing depends on your individual treatment plan. Your doctor may order this test when starting therapy, when changing your dose, or if you experience symptoms that may be related to your medication level.
What factors can affect acetophenazine levels?
Several factors can affect drug levels, including: kidney or liver function, other medications you are taking, age, weight, genetics, and adherence to your prescribed dose. Inform your healthcare provider about any changes in your health or medications.
Are there any risks from this test?
The risks are minimal and similar to routine blood tests, including slight pain or bruising at the puncture site, lightheadedness, or in rare cases, infection.
  1. 1
    MedlinePlus - Antipsychotic DrugsSource
  2. 2
    LOINC - Acetophenazine [Presence] in Serum or PlasmaSource
  3. 3
    Mayo Clinic Laboratories - Therapeutic Drug MonitoringSource

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 10, 2026. · Read our editorial policy