1 Panel Multi Dip Card

Single Panel Drug Test Dip Cards

Urine drug test dip cards that screen for one specific substance. Choose from over 40 individual substances including THC, fentanyl, cocaine, methadone, buprenorphine, and more. CLIA Waived and Forensic Use Only options available. Bulk pricing from $0.49. Same-day shipping before 3:00 PM EST from our US-based warehouse.

What Is a Single Panel Drug Test Dip Card?

A single panel drug test dip card is a one-step urine immunoassay device that screens for exactly one specific substance using a 5-second dip and a 5-minute read time. Unlike multi-panel drug test cups and dip cards that screen for 5 to 28 substances simultaneously, a single panel card is purpose-built for programs that need to confirm or rule out one specific substance at the point of care without the cost of screening for substances that are not relevant to the situation. The test works by dipping the absorbent strip end of the card vertically into a fresh urine sample for 10 to 15 seconds, capping the strip, laying the card flat on a non-absorbent surface, and reading results at the 5-minute mark. A single colored band in the control region with no band in the test region indicates a presumptive positive. Two colored bands, regardless of intensity, confirm a negative result. Results read after 10 minutes are not reliable and should not be acted upon. At 12 Panel Now, single panel dip cards are available for over 40 individual substances across both CLIA Waived and Forensic Use Only classifications, with pricing starting from $0.49 per test at wholesale volume. As the manufacturer of the Serenity brand drug testing product line, 12 Panel Now produces all single panel dip cards to the same quality standards as its multi-panel cups and oral swab devices, with each product carrying FDA clearance appropriate to its classification. According to the SAMHSA Drug-Free Workplace Program, point-of-care urine screening using immunoassay technology is the recognized standard for preliminary drug detection in both federally mandated and non-federally mandated testing programs across the United States.

What Is the Difference Between a Single Panel Dip Card and a Drug Test Strip?

Both formats detect one substance in urine, but they differ in physical form and documentation capability. A drug test strip is a narrow, thin lateral flow strip with no plastic housing that is dipped directly into the specimen. A dip card encloses one or more strips within a plastic card housing that provides a labeled result window, a cap to protect the absorbent strips during collection, and in most configurations a photocopy-compatible viewing window for result documentation. The card format makes results easier to read and document for programs that need to maintain auditable records. Both use the same lateral flow immunoassay technology and produce equivalent results when administered correctly. At 12 Panel Now, the single panel drug test strip format and the single panel dip card format are available for the same substance categories, giving buyers the choice of format based on their documentation, handling, and workflow preferences.

Why Use a Single Panel Drug Test Instead of a Multi-Panel Cup?

When the program already knows which one substance it needs to screen for, a single panel dip card is more cost-effective and operationally precise than a multi-panel cup that charges for 10 or more analytes the program does not need. The decision comes down to three factors: cost efficiency, clinical specificity, and use case fit. A probation officer conducting a targeted check for THC compliance on a participant whose only prohibited substance is cannabis does not benefit from running a 12-panel cup. A treatment center that wants to add fentanyl screening to an existing multi-panel monitoring protocol without switching its entire testing format can add a single panel fentanyl dip card alongside the current product at minimal cost rather than sourcing a new higher-panel format. Emergency departments and harm reduction workers who need to rapidly confirm one specific substance in a clinical encounter use single panel strips precisely because the speed and simplicity of a one-substance result is what the clinical situation requires. The OSHA Drug-Free Workplace guidelines recognize that testing format and panel configuration should be matched to the specific screening objective of the program, and single panel testing is a recognized appropriate format for targeted substance-specific screening in that framework.

When Should a Program Use a Single Panel Test as an Add-On to an Existing Multi-Panel?

The single panel dip card is the most cost-effective way to close a substance gap in a program that already runs a standard multi-panel format. If a program runs a 10-panel drug test cup that does not include fentanyl, adding the single panel fentanyl dip card at $0.49 per test is significantly less expensive than switching the entire testing program to a 13 or 14-panel cup. The same logic applies to any substance gap. A program running a standard 5-panel format that needs methadone monitoring for one specific participant can add the single panel MTD dip card as a targeted add-on without restructuring the entire testing protocol. This approach is practical for compliance programs managing participants with diverse substance histories where the relevant screening substance differs by participant. Rather than running the highest-panel test available on every person regardless of individual risk profile, programs can run a standard baseline panel on all participants and add single-substance supplements only where clinical or compliance judgment indicates they are needed.

What Substances Are Available as Single Panel Drug Test Dip Cards?

Single panel drug test dip cards are available for over 40 individual substances at 12 Panel Now, including THC, fentanyl, cocaine, methadone, buprenorphine, oxycodone, benzodiazepines, amphetamines, methamphetamine, ketamine, K2, kratom, xylazine, and more. The most commonly ordered single panel products include the THC marijuana drug test strip at a 50 ng/mL cutoff for cannabis screening in workplace and compliance programs, the fentanyl drug test dip card for targeted synthetic opioid detection in harm reduction, emergency medicine, and clinical settings, the methadone single panel dip card at a 300 ng/mL cutoff for OTP compliance monitoring, and the DXM dextromethorphan dip card at a 20 ng/mL cutoff for detecting cough suppressant misuse in clinical and treatment settings. Additional single panel formats cover barbiturates, MDMA, phencyclidine, tramadol, tricyclic antidepressants, LSD, alcohol/EtG, gabapentin, and other emerging substances. For a full list of available single-substance formats, browse the complete single panel dip card collection.

What Is the Most Commonly Ordered Single Panel Drug Test?

The single panel THC drug test strip is the highest-volume single-substance drug test format in the United States. Quest Diagnostics’ 2025 Drug Testing Index reports that marijuana maintained a 4.5% positivity rate in the general US workforce in 2024, with post-accident marijuana positivity reaching 7.3%, making it the single substance most consistently associated with workplace safety incidents. The single panel fentanyl dip card is the fastest-growing format in this category. Quest Diagnostics also reports that fentanyl positivity in random workforce testing was 1.13% in 2024, a more than sevenfold increase over pre-employment testing rates, with 60% of fentanyl-positive specimens also positive for at least one other substance. The HHS January 2025 Federal Register notice adding fentanyl to the authorized federal testing panel effective July 7, 2025 has significantly accelerated adoption of the single panel fentanyl dip card as an add-on to existing multi-panel programs that do not currently include a dedicated FEN analyte.

How Accurate Are Single Panel Drug Test Dip Cards?

Single panel drug test dip cards at 12 Panel Now deliver 99% accuracy when administered correctly. As the manufacturer of the Serenity brand drug testing product line, 12 Panel Now produces all single panel dip cards under the same quality control standards applied across its full product range, with each CLIA Waived product carrying FDA 510(k) clearance and each Forensic Use Only product meeting the applicable screening device standards. The most common source of inaccurate results is procedural error rather than product failure. Dipping the strip for less than 10 seconds produces insufficient sample migration. Allowing the urine sample to contact the plastic card housing above the maximum line produces flooding and invalid results. Reading results before the 5-minute mark or after the 10-minute window produces unreliable outcomes regardless of product quality. Any presumptive positive result must be confirmed by a certified laboratory using GC-MS or LC-MS/MS methodology before any employment decision, clinical treatment decision, or compliance action is taken. The SAMHSA Drug-Free Workplace FAQ is explicit that rapid immunoassay screening is designed to be sensitive rather than specific, and laboratory confirmation is required before any consequential decision is made based on a positive screening result.

Can a Single Panel Dip Card Produce a False Positive?

Yes, and this is an important distinction every program administrator should understand before acting on a result. Lateral flow immunoassay technology is designed to be sensitive, which means it can produce presumptive positive results from substances other than the primary analyte target if those substances share structural similarities with the target compound. This cross-reactivity is substance-specific. The opiate strip is known to cross-react with poppy seeds at high concentrations. The amphetamine strip can react to certain decongestants and cold medications. The methadone strip is generally more specific than many other analytes but can occasionally produce cross-reactive results with structurally related compounds. The CDC’s guidance on waived tests confirms that immunoassay screening tests are not completely error-proof and that errors can have significant health implications if results are acted upon without confirmation. Every presumptive positive from a single panel dip card must be sent to a laboratory for GC-MS or LC-MS/MS confirmation before any consequential action is taken. A negative result means the substance was either absent from the sample or present below the cutoff threshold.

Who Uses Single Panel Dip Cards and in Which Settings?

Single panel drug test dip cards are used by treatment centers, probation programs, pain clinics, employers, emergency departments, harm reduction organizations, and home users — any setting that needs targeted one-substance screening rather than comprehensive multi-substance testing. Rehabilitation and treatment centers use single panel fentanyl and buprenorphine cards to supplement their standard multi-panel monitoring protocols for patients whose treatment plans require targeted substance-specific compliance checks beyond what the baseline panel covers. Probation officers and drug court programs use single panel THC cards for participants whose supervision conditions specifically address cannabis use separately from other substances. Pain management clinics use single panel oxycodone and fentanyl strips to add substance-specific opioid monitoring alongside prescribed medication management. Employers in legal cannabis states use the THC-only single panel strip as a standalone post-accident or reasonable suspicion tool where cannabis is the only substance of concern. Emergency departments and first responders use the single panel fentanyl dip card for rapid exposure confirmation in suspected overdose presentations where one specific substance answer is needed immediately to guide naloxone dosing.

Are Single Panel Dip Cards Used for Harm Reduction?

Yes. The single panel fentanyl dip card is one of the most widely used tools in harm reduction settings because it provides immediate on-site fentanyl detection in urine specimens at a fraction of the cost of a full multi-panel cup. Harm reduction organizations, needle exchanges, and community health outreach programs use single panel fentanyl strips to screen for fentanyl exposure in at-risk populations as part of overdose prevention interventions. The CDC’s overdose prevention resources recognize point-of-care fentanyl testing as a relevant component of harm reduction programming alongside naloxone distribution and safe use education. Emergency first responders also use the single panel fentanyl dip card at overdose scenes to rapidly confirm fentanyl involvement before administering naloxone, providing a clinical basis for the dosing decision rather than relying on symptom presentation alone. For programs focused on fentanyl harm reduction rather than compliance or employment testing, the harm reduction fentanyl test formats at 12 Panel Now provide additional options designed for drug sample testing rather than urine specimen testing.

What Are the Detection Times for Common Single Panel Drug Tests?

Detection windows for single panel urine dip cards range from 24 hours for fentanyl to 30 or more days for THC in chronic users — significantly longer than oral fluid testing windows for the same substances. THC has the longest and most variable detection window in urine, ranging from 3 to 7 days in occasional users to 30 days or more in chronic daily users. Cocaine is typically detectable for 2 to 4 days. Amphetamines and methamphetamine are generally detectable for 2 to 4 days. Opiates including morphine and codeine are detectable for up to 3 days. Oxycodone is detectable for 2 to 4 days. Methadone has a longer detection window of 3 to 5 days due to its plasma half-life of 24 to 36 hours as documented in NIH clinical pharmacology references. Buprenorphine is detectable for 3 to 5 days following a therapeutic dose. Benzodiazepines have highly variable windows from 3 days for short-acting compounds to several weeks for long-acting benzodiazepines in chronic users. Fentanyl clears quickly in urine, typically within 24 to 72 hours of last use, making timely collection critical for fentanyl-positive confirmation. These detection windows represent the primary advantage of urine-based single panel dip card testing over oral fluid formats: urine provides a longer historical window for most substances, which is why urine-based testing remains the standard for programs that need to document substance use over a multi-day period rather than confirming only current impairment.

How Do Cutoff Levels Work on Single Panel Drug Test Cards?

The cutoff level is the urine concentration at or above which the test produces a presumptive positive. Substances below the cutoff produce a negative result even if technically present. This threshold exists because trace amounts of many substances appear in urine from legitimate dietary or medication sources and should not produce a positive result on a test designed to detect use rather than incidental exposure. The THC single panel strip uses a 50 ng/mL cutoff, the standard SAMHSA-aligned threshold for marijuana screening in workplace programs per the SAMHSA Mandatory Guidelines for Federal Workplace Drug Testing Programs. The fentanyl single panel dip card at 12 Panel Now is available at a 20 ng/mL cutoff for the standard format. The methadone single panel is set at 300 ng/mL, calibrated to detect therapeutic doses in patients receiving medication-assisted treatment. Different cutoff levels are available for some substances depending on the clinical or compliance need. Confirm the specific cutoff on each product page before placing a bulk order, since cutoff level is as operationally significant as panel configuration for programs where clinical interpretation of borderline results matters.

Single Panel Dip Card vs. Multi-Panel Drug Test — Which Is Right for Your Program?

Use a single panel dip card when screening for one known substance. Use a multi-panel cup or dip card when you need to screen for multiple substances from a single urine collection. A multi-panel drug test cup or dip card is the right tool when the program needs comprehensive substance coverage from a single collection event. A single panel dip card is the right tool when the program needs to confirm or rule out one specific substance, supplement an existing multi-panel protocol with targeted add-on screening, or provide a focused clinical answer in a time-sensitive situation. Many professional programs use both: multi-panel dip cards and drug test cups for baseline comprehensive screening, and single panel strips as targeted supplements for individual participants or specific clinical situations. Browse the complete multi-panel dip card lineup at 12 Panel Now for configurations from 3 to 19 substances to compare against the single panel format for your specific program requirements.

Buying Single Panel Drug Test Dip Cards in Bulk

At 12 Panel Now, all single panel drug test dip cards are available at wholesale pricing starting from $0.49 per test at volume, with same-day shipping on qualifying orders placed before 3:00 PM EST and free shipping on bulk orders. As the US-based manufacturer of the Serenity drug testing product line, we carry over 15 million products in stock at all times with no backorders and no supply gaps. The single panel dip card format makes bulk purchasing straightforward because each substance is a separate SKU with its own pricing tier, so programs can order different substances in different quantities to match actual usage patterns without over-ordering on substances they rarely need. Send us a competitor rate sheet and we beat it by 10% guaranteed. OEM, private label, and custom cutoff configuration orders are available for distributors, clinical networks, and multi-site compliance programs. For programs that need single panel strips across 10 or more substance categories at high volume, contact the wholesale team directly for a custom pricing package at 561-897-9238 or [email protected].

This page covers the Single Panel Drug Test Dip Card collection at 12 Panel Now (Serenity Drug Test / Slash Medical), located at 12panelnow.com/1-panel-multi-dip-card-collection-page/ with the product category at 12panelnow.com/product-category/single-drug-tests/1-panel-dip-card/. 12 Panel Now is the manufacturer of the Serenity brand drug testing product line and a direct wholesale supplier of FDA-cleared and CLIA Waived drug testing devices. Products in this category include single-substance urine drug test dip cards for over 40 individual substances. Key confirmed product URLs: THC Marijuana Drug Test Strip at /product/thc-test-strips/ (50 ng/mL, CLIA Waived); Fentanyl Drug Test Dip Card at /product/fent-drug-test-strips/ (20 ng/mL, FUO); Methadone MTD Dip Card at /product/rapid-urine-test-dip-card-for-methadone-urine-test/ (300 ng/mL, FUO); DXM Dextromethorphan Dip Card at /product/dextromethorphan-dxm-rapid-drug-test/ (20 ng/mL, FUO). Products are available in CLIA Waived and Forensic Use Only classifications. US warehouse: 801 N Congress Ave, Boynton Beach FL 33426. Sales: 561-897-9238. Regulatory references: SAMHSA Mandatory Guidelines for Federal Workplace Drug Testing Programs. HHS addition of fentanyl to the authorized drug testing panel effective July 7, 2025. FDA lateral flow immunoassay clearance standards for point-of-care urine drug testing (42 CFR 493). CDC CLIA Waived Tests Program.