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Official Description

Antipsychotics, not otherwise specified; 4-6

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 80343 refers to a laboratory test specifically designed to measure the levels of antipsychotic medications that are not otherwise specified. Antipsychotics are a class of neuroleptic drugs that primarily influence neurotransmitters in the brain, particularly dopamine and serotonin, which play crucial roles in mood regulation and cognitive function. These medications are commonly utilized in the treatment of severe mental health conditions, such as schizophrenia and bipolar disorder, where symptoms may include delusions, hallucinations, and disordered thinking. While antipsychotic medications do not provide a cure for these disorders, they are effective in significantly managing and controlling the associated symptoms, thereby improving the quality of life for patients. The testing process for antipsychotics typically involves analyzing biological samples such as urine, serum, or plasma. Various advanced analytical methods are employed to ensure accurate measurement of these compounds, including gas chromatography, gas chromatography-mass spectrometry, high-performance liquid chromatography, and liquid chromatography-tandem mass spectrometry. It is important to note that CPT® Code 80342 is applicable when testing for 1-3 antipsychotic compounds, while CPT® Code 80343 is specifically designated for the analysis of 4-6 antipsychotic drugs. For testing that involves 7 or more antipsychotic medications, CPT® Code 80344 is utilized. This structured approach to coding ensures clarity and precision in laboratory testing and billing practices related to antipsychotic medications.

© Copyright 2026 Coding Ahead. All rights reserved.

1. Indications

The laboratory test represented by CPT® Code 80343 is indicated for the measurement of antipsychotic medications in patients who may be undergoing treatment for severe mental health disorders. The specific indications for this test include:

  • Monitoring Treatment Efficacy The test is used to assess the levels of antipsychotic medications in patients to ensure that therapeutic levels are being maintained for effective symptom management.
  • Assessing Compliance This test can help determine whether patients are adhering to their prescribed medication regimens, which is crucial for effective treatment outcomes.
  • Evaluating Side Effects The measurement of antipsychotic levels can assist healthcare providers in identifying potential side effects or adverse reactions related to medication use.
  • Adjusting Dosage Results from this test may inform necessary adjustments to medication dosages to optimize treatment and minimize side effects.

2. Procedure

The procedure for conducting the laboratory test associated with CPT® Code 80343 involves several key steps to ensure accurate measurement of antipsychotic medications. These steps include:

  • Sample Collection A biological sample, typically urine, serum, or plasma, is collected from the patient. The choice of sample type may depend on the specific antipsychotic medications being tested and the clinical context.
  • Sample Preparation The collected sample undergoes preparation, which may involve processes such as centrifugation to separate components or dilution to achieve optimal concentrations for analysis.
  • Analytical Testing The prepared sample is subjected to advanced analytical techniques, such as gas chromatography or liquid chromatography-tandem mass spectrometry. These methods are employed to accurately identify and quantify the presence of 4-6 antipsychotic compounds in the sample.
  • Data Interpretation Once the analysis is complete, the results are interpreted by qualified laboratory personnel. This interpretation includes comparing the measured levels of antipsychotics against established therapeutic ranges to assess the patient's medication status.
  • Reporting Results The final results are compiled into a report that is provided to the healthcare provider, who will use this information to make informed decisions regarding the patient's treatment plan.

3. Post-Procedure

After the laboratory test associated with CPT® Code 80343 is completed, several post-procedure considerations are important for both the patient and healthcare provider. The results of the test will typically be reviewed in the context of the patient's overall treatment plan. If the antipsychotic levels are within the therapeutic range, the current medication regimen may be continued. However, if the levels are found to be too low, this may indicate non-compliance or inadequate dosing, prompting a discussion about adherence to the treatment plan. Conversely, if the levels are excessively high, it may necessitate a reevaluation of the dosage or a review of potential side effects. Additionally, healthcare providers may schedule follow-up appointments to discuss the test results with the patient, address any concerns, and make necessary adjustments to the treatment plan. Continuous monitoring may be recommended to ensure that the patient remains within the therapeutic range for optimal management of their mental health condition.

Short Descr ANTIPSYCHOTICS NOS 4-6
Medium Descr ANTIPSYCHOTICS NOT OTHERWISE SPECIFIED 4-6
Long Descr Antipsychotics, not otherwise specified; 4-6
Status Code Not Valid for Medicare Purposes
Global Days XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC) 9 - Not Applicable
Multiple Procedures (51) 9 - Concept does not apply.
Bilateral Surgery (50) 9 - Concept does not apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 9 - Concept does not apply.
Co-Surgeons (62) 9 - Concept does not apply.
Team Surgery (66) 9 - Concept does not apply.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Code Not Recognized by OPPS when submitted on Outpatient Hospital Part B Bill Type (12x/13x)
Type of Service (TOS) 5 - Diagnostic Laboratory
Berenson-Eggers TOS (BETOS) T2D - Other tests - other
MUE 1
Date
Action
Notes
2015-01-01 Added Added
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