Summary & Overview
CPT 80343: Antipsychotics Panel, Detection of 4–6 Drugs
CPT code 80343 designates a laboratory procedure that measures or detects four to six antipsychotic drugs in a patient specimen when the specific drugs are not captured by other CPT codes. This code is used across clinical laboratories and outpatient collection sites to support therapeutic drug monitoring, compliance testing, forensic evaluation, and clinical management of psychiatric conditions. Nationally, use of this code matters because monitoring antipsychotic levels can affect medication safety, adherence, and treatment optimization for populations receiving psychiatric care.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of billing context, typical sites of service, and clinical relevance for CPT code 80343. The publication summarizes common billing modifiers and payer considerations, outlines clinical scenarios where multi-drug antipsychotic panels are applied, and highlights areas where policy updates or payer-specific coverage rules may influence claim adjudication.
The content provides practical benchmarks for coding and billing workflows, an explanation of clinical context for antipsychotic testing, and notes on where to look for payer-specific policy guidance. Data not available in the input is explicitly noted where applicable.
Billing Code Overview
CPT code 80343 describes a laboratory test in which the lab analyst measures the amount of or detects the presence of four to six antipsychotic medications in a patient specimen. Antipsychotics are drugs used to treat psychosis and other mental and emotional conditions. This code applies when the specific antipsychotics being tested for are not specified by other CPT codes.
Service Type
- Service type: Clinical laboratory testing for multiple antipsychotic drugs
Typical Site of Service
- Typical site of service: Hospital or independent clinical laboratory, outpatient laboratory collection sites, or other ambulatory specimen collection settings
Clinical & Coding Specifications
Clinical Context
A 34-year-old patient with a history of schizophrenia presents to an outpatient psychiatric clinic for medication monitoring after a recent dose adjustment. The clinician orders laboratory testing to detect and quantify multiple antipsychotic agents and potential metabolites in the patient’s blood or urine to confirm adherence, evaluate polypharmacy, or assess for toxic levels after symptom changes. The specimen is collected in the clinic or at an outpatient laboratory, labeled, and sent to a clinical toxicology laboratory. A laboratory analyst performs a multi-analyte immunoassay or chromatographic-mass spectrometry panel that measures or detects four to six antipsychotic drugs not otherwise specified by single-analyte CPT codes. Results are reported to the ordering psychiatrist, who integrates findings into medication management and documents the test order, specimen source, and clinical indication (e.g., medication adherence, therapeutic monitoring, suspected overdose) in the medical record.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | When reporting only the professional interpretation of a test if separated from the technical component. |
TC | Technical component |