18 Panel Drug Screen Cup with GAB, EtG, Fentanyl & ADLTX
$6.99 Original price was: $6.99.$3.19Current price is: $3.19.
The Serenity 18 panel drug screen cup provides preliminary urine screening for gabapentin (GAB), EtG, fentanyl, kratom, ketamine, tramadol and common drug classes in one integrated 120 mL cup. This Forensic Use Only configuration includes three ADLTX checks for creatinine, specific gravity and pH.
- Dedicated gabapentin screening panel
- Includes EtG, fentanyl, kratom, ketamine and tramadol
- 18 drug, drug-class or metabolite screening panels
- Three additional ADLTX specimen-validity checks
- Integrated 120 mL urine collection and testing cup
- Forensic Use Only configuration
- Quantity pricing for bulk orders
FREE SHIPPING on qualifying orders of 100 cups or more.
| Â 18 Panel Drug Test Cup |
| GAB/1000, TRA/100, KET/1000, KRA/500, FEN/20, EtG/300, AMP/1000, BAR/300, BUP/10, BZO/300, COC/300, MDMA/1000, MET/1000, MTD/300, OPI/300, OXY/100, PCP/25, THC/50, 3-ALDX |
18 Panel Drug Screen Cup with GAB and ADLTX
The Serenity 18 panel drug screen cup combines urine collection, preliminary drug screening and specimen-validity checks in one integrated 120 mL device.
This configuration includes a dedicated gabapentin (GAB) panel, together with EtG, fentanyl, kratom, ketamine, tramadol and commonly requested drug screening assays.
For eligible forensic programs, the integrated cup brings collection and screening into the same device.
Personnel can review the included drug assays and the specimen-validity indicators while following their organization’s identification, documentation and confirmation procedures.
This configuration contains 18 drug, drug-class or metabolite screening panels plus three separate ADLTX checks.
Creatinine, specific gravity and pH provide additional information about the collected urine specimen. These indicators are separate from the 18 drug assays.
Drugs Detected in the 18 Panel Drug Screen Cup
This 18 panel drug screen cup includes the following screening panels and cutoff levels:
| Drug or Drug Class | Abbreviation | Cutoff Level |
|---|---|---|
| Gabapentin | GAB | 1,000 ng/mL |
| Tramadol | TRA | 100 ng/mL |
| Ketamine | KET | 1,000 ng/mL |
| Kratom | KRA | 500 ng/mL |
| Fentanyl | FEN | 20 ng/mL |
| Ethyl glucuronide — alcohol metabolite | EtG | 300 ng/mL |
| Amphetamines | AMP | 1,000 ng/mL |
| Barbiturates | BAR | 300 ng/mL |
| Buprenorphine | BUP | 10 ng/mL |
| Benzodiazepines | BZO | 300 |
| Cocaine metabolite | COC | 300 ng/mL |
| MDMA / Ecstasy | MDMA | 500 ng/mL |
| Methamphetamine | MET | 1000 |
| Methadone | MTD | 300 ng/mL |
| Opiates | OPI | 300 ng/mL |
| Oxycodone | OXY | 100 ng/mL |
| Phencyclidine | PCP | 25 ng/mL |
| Marijuana metabolite | THC | 50 ng/mL |
Cutoffs are screening decision thresholds. The cup produces qualitative results and does not measure the exact amount of a substance in the specimen. Interpret each assay using the instructions supplied with the product.
Gabapentin, EtG, Fentanyl and Kratom Screening
The dedicated GAB panel is a defining feature of this configuration. It provides a separate gabapentin screening result alongside the other included assays, making the cup relevant when gabapentin is part of a forensic program’s required testing menu.
The EtG panel screens urine for ethyl glucuronide, an alcohol metabolite. Its result does not measure blood alcohol concentration or establish current intoxication.
The FEN panel provides dedicated fentanyl screening. Personnel should record that result separately from the opiate, oxycodone, buprenorphine and methadone panels.
The KRA panel screens for kratom, while KET and TRA identify the ketamine and tramadol assays. Each produces its own preliminary screening result.
When selecting an 18 panel urine drug screen, review the actual assay list. Panel count alone does not establish which specialty substances are included.
Key Features of the Serenity 18 Panel Cup
- Dedicated gabapentin screening: Includes a GAB assay alongside 17 other drug screening panels.
- Expanded panel configuration: Combines EtG, fentanyl, kratom, ketamine and tramadol with common drug classes.
- Three specimen-validity indicators: Adds creatinine, specific gravity and pH checks.
- Integrated collection and testing: Brings urine collection and preliminary screening together in a 120 mL cup.
- Individual assay interpretation: Allows personnel to document each included screening result separately.
- Bulk and repeat ordering: Quantity pricing supports purchasing for eligible forensic organizations.
Use SKU SM-CDOA-2185AD3-FUO to identify this gabapentin and ADLTX configuration when ordering.
Built-In Adulterant Checks: CR, SG and pH
The cup includes three ADLTX specimen-validity indicators:
| Specimen Check | Abbreviation | What It Assesses |
|---|---|---|
| Creatinine | CR | Creatinine level as an indicator of specimen concentration |
| Specific gravity | SG | Urine concentration |
| Urine pH | pH | Acidity or alkalinity |
These checks provide additional information for specimen review. Unusual readings may require further evaluation under the testing program’s procedures, but an abnormal result alone does not establish deliberate tampering.
Read each indicator against the manufacturer’s color chart at its specified time. ADLTX color-pad readings use a different interpretation method from the drug-panel control and test lines.
Our guide to adulterants and specimen-validity checks explains how these indicators fit into the collection and screening process.
Reading Adulterants test

How to Use the 18 Panel Drug Screen Cup
- Review the supplied instructions. Check the required configuration, package condition and printed expiration date. Follow the manufacturer’s preparation and operating requirements.
- Identify and label the specimen. Follow your organization’s donor identification, specimen labeling and documentation procedures. Maintain chain of custody where applicable.
- Collect the urine sample. Collect directly into the cup using the minimum specimen amount stated in the supplied instructions. The cup’s 120 mL capacity is separate from the required collection volume.
- Secure and position the cup. Close the lid and complete any device-specific handling steps. Place the cup as directed and begin timing at the point specified by the manufacturer.
- Read the drug panels and ADLTX indicators. Use the correct reading window for each component. Drug assays and specimen-validity indicators may require different reading times.
- Document results and arrange follow-up. Record each assay result and any unusual specimen checks. Follow the program’s procedures for invalid tests, additional specimen evaluation and laboratory confirmation.
The instructions supplied with the cup govern the exact collection steps, timing and valid interpretation windows.

How to Read the Screening Results
Interpret each drug assay individually within the manufacturer’s specified reading window.
- Negative: Both the control line and test line appear. A faint visible test line is interpreted according to the supplied instructions.
- Non-negative / presumptive positive: The control line appears, but the test line is absent.
- Invalid: The control line is absent, regardless of whether a test line appears.
An assay without a control line cannot provide a valid screening result. Follow the manufacturer’s instructions for repeating an invalid test.
Read the ADLTX indicators separately using the supplied color chart. For a general explanation of line-based results, see how to read a drug test cup.
Who Uses This Forensic Screening Configuration?
This 18 panel drug screen cup is designated Forensic Use Only. Appropriate users include eligible law-enforcement-related testing programs such as:
- Court systems and police departments
- Probation and parole offices
- Prisons, jails and correctional facilities
- Laboratories performing forensic testing for those entities
Organizations should select the configuration according to the required drug menu, specimen procedures and intended testing purpose. Product labeling and the manufacturer’s instructions determine suitability for a particular use.
Review our Forensic Use Only policy and customer acknowledgement before purchasing.
Detection Windows and Test Limitations
Detection varies with the substance, collection timing, frequency of use, individual metabolism, specimen concentration and assay cutoff. A fixed detection period cannot be guaranteed for every person or substance.
A negative screen does not exclude every possible exposure. A non-negative result remains preliminary and does not establish impairment, dose or the exact time of use. Unexpected results or results supporting consequential decisions may require definitive laboratory testing. ARUP Consult’s drug-testing guidance explains these limitations.
Bulk 18 Panel Drug Screen Cups
DrugTestingCup.com offers quantity pricing for this gabapentin and ADLTX configuration. Select the appropriate order quantity on the product page, or contact us for assistance with larger purchases and repeat orders.
Qualifying orders of 100 cups or more receive free shipping. Eligible orders placed before 3 PM EST ship the same business day.
When requesting a quote, include SKU SM-CDOA-2185AD3-FUO and the number of cups required. This helps identify the correct configuration for your order.
Browse our 18 panel drug test cup collection or contact DrugTestingCup.com for purchasing assistance.
Frequently Asked Questions
What does this 18 panel drug screen cup test for?
This configuration screens for GAB, TRA, KET, KRA, FEN, EtG, AMP, BAR, BUP, BZO, COC, MDMA, MET, MTD, OPI, OXY, PCP and THC. It also includes separate pH, specific gravity and creatinine specimen-validity checks.
Does GAB mean gabapentin on this cup?
Yes. GAB identifies the gabapentin screening panel on this product. GHB is a different substance and should not be used as the name of this assay.
Does this cup include fentanyl, EtG and kratom?
Yes. The cup includes dedicated FEN, EtG and KRA panels. EtG screens for an alcohol metabolite, while KRA identifies the kratom assay. KRA should not be described as K2 or synthetic marijuana.
What are the three ADLTX checks?
The three checks assess urine pH, specific gravity and creatinine. They provide additional information about the specimen. An abnormal reading may require follow-up, but it does not independently prove deliberate tampering.
How soon should I read the results?
Use the reading times and valid interpretation windows in the instructions supplied with the cup. Drug assays and ADLTX indicators may have different reading times. Do not interpret results after the manufacturer’s stated limit.
What does a faint line mean on the drug screen?
For the competitive line-based drug assays, a visible test line together with a valid control line is interpreted as negative within the specified reading window, even when the test line is faint. If the control line is missing, that assay is invalid. Follow the supplied instructions.
Who can use this 18 panel drug screen cup?
This product is designated Forensic Use Only. Appropriate users include eligible court, police, probation, parole and correctional programs, and laboratories performing forensic testing for those entities, according to the product labeling.
Can I order the GAB and ADLTX cup in bulk?
Yes. Quantity pricing is available on the product page. Use SKU SM-CDOA-2185AD3-FUO when requesting a quote or reordering this gabapentin and ADLTX configuration. Qualifying orders of 100 cups or more receive free shipping.
Forensic Use Only (FUO)
This product is intended for forensic drug screening according to its labeling and manufacturer’s instructions. It is not intended for clinical diagnosis or consumer at-home testing. Results are preliminary; non-negative results should receive laboratory confirmation where required. Before purchasing or using this product, please review our Forensic Use Only Policy & Customer Acknowledgement.
| Weight | 0.14 lbs |
|---|---|
| Dimensions | 5 × 3 × 3 in |
| Drug tested | ADLTX, AMP, BAR, BUP, BZO, COC, EtG, FEN, GAB, KET, KRA, MDMA, MET, Methadone (MTD), OPI/MOR, OXY, PCP, THC, TMA |
| Package size | Pack (100) |
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All orders will only be shipped same-day if they are placed before 3.00pm EST time. Also next day shipments will not be delivered on weekends and that the time taken on air shipments should be counted with business days.
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