A female scientist in protective glasses and gloves working with a pipette in a laboratory, with scientific images on a computer screen. 
Lab Testing Services

Urine, Oral & PCR Testing

Lab24 delivers urine toxicology, oral fluid toxicology and molecular PCR testing, processed on-site in Redding for faster turnaround and tighter quality control.

A male doctor with a stethoscope around his neck, smiling and holding a clipboard, talking to a patient in a medical office.
A scientist wearing blue gloves using a cotton swab to collect a sample in a test tube in a laboratory. 
CLIA & COLA Accreditation

Lab24 in Redding

Lab24 is a licensed and accredited reference laboratory in Redding, CA. We specialize in fast, accurate lab testing for individuals and healthcare providers. We offer routine toxicology and PCR testing, with locally processed results for quicker turnaround times and personalized care.

Scientists in a lab doing urine toxicology testing
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local lab testing

Urine Toxicology Definitive Testing

Lab24’s LC-MS/MS urine toxicology screens and confirms nearly 100 prescription and illicit drugs at industry-leading low cut-offs. Observed collections, rigorous chain-of-custody, and 24-to-48-hour turnaround give family practices, pain clinics, and recovery programs defensible data for medication monitoring, abuse detection, and compliance. All testing is performed in our CLIA-registered Redding laboratory for local support and rapid answers, with secure digital reports available 24/7.

Lab24 employee drug screen presumptive testing Redding
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Employee Drug Test

Drug Screen Presumptive Testing

Lab24 provides rapid presumptive drug screening using immunoassay technology to detect commonly abused substances. Ideal for pre-employment testing, court compliance, and substance-use programs, these tests offer same-day results in most cases. Observed collections ensure chain-of-custody integrity. Positive screens can be confirmed through LC-MS/MS testing for definitive, legally defensible results processed locally in Redding.

A female scientist in protective eyewear and gloves handling a test tube with a pink liquid at Lab 24, a local lab testing facility in Redding
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Fast turnaround

Oral Fluid Toxicology Definitive Testing

Lab24’s oral fluid toxicology offers a quick, non-invasive alternative when urine collection is impractical. Certified collectors supervise every saliva sample, ensuring strict chain-of-custody. Our advanced assays detect recent use of opioids, benzodiazepines, THC, stimulants, and more, giving telehealth providers, employers, and courts timely insights. Analysis is completed in Redding for accuracy and turnaround, with results delivered via our HIPAA-secure portal within forty-eight hours.

A female scientist in a white lab coat and blue gloves working with test tubes and a pipette in a modern laboratory.
DNA with magnifying glass icon 
redding toxicologist

Molecular (PCR) Testing

Lab24’s multiplex PCR platform pinpoints viral, bacterial, and fungal pathogens by analyzing DNA or RNA in a single run. Respiratory, UTI, STI, and women’s health panels help clinicians initiate targeted therapy sooner and reduce unnecessary antibiotics. Local processing in our accredited Redding lab delivers same-day or next-day reports, accessible through our secure digital portal for streamlined, proactive patient care.