10 Panel Drug Test
Same-day scheduling at 17,000 + locations l Confidential results
A 10 panel drug test stands as one of the most comprehensive options available for drug screening. Unlike the standard 5 panel test, this expanded version is designed to detect a wider array of substances. It includes common drugs such as marijuana, cocaine, opiates, amphetamines, and PCP. However, it extends its coverage to also screen for benzodiazepines, barbiturates, methadone, propoxyphene, and Quaaludes (methaqualone).
This extensive range makes the 10 panel drug test an invaluable tool for identifying both common and less frequently abused substances. Employers, especially in safety-sensitive industries, favor this test due to its thoroughness. Courts and individuals involved in legal cases in Castroville, TX also frequently opt for this broader assessment to ensure clarity and accuracy in drug testing procedures.
While the 5 panel drug test primarily addresses the most commonly abused drugs, the 10 panel provides a more holistic understanding of an individual's drug use. It captures those substances that may not be as prevalent but are nonetheless important in certain contexts. This makes it an apt choice for those requiring detailed insights into potential drug use.
Trust in the 10 panel drug test is owed to its enhanced capability of detecting substances that could be overlooked by less comprehensive tests. By providing a broader spectrum of screening, it helps maintain safety and compliance across various sectors. This aspect is particularly valued in industries where safety is paramount, and in legal situations where thoroughness can influence outcomes.
The versatility of the 10 panel drug test is one of its strongest points. Whether for employment screening, probation requirements, or personal knowledge, its ability to deliver detailed results is unmatched. In environments where understanding the full scope of substance use is crucial, the 10 panel stands out as the preferred method of testing.
Key Benefits
- Comprehensive coverage of 10 major drug classes, including common Rx misuse
- Multiple specimen options: urine, hair, oral fluid, blood, nails
- Recent & long-term detection for versatile screening needs
- Workplace safety support for policy compliance
- Legal defensibility with lab confirmation & chain of custody
- Confidential accuracy via SAMHSA-certified labs & MRO review
Who Chooses a 10 Panel?
- Employers (healthcare, construction, education, corporate)
- Court, probation, and child custody cases
- Treatment & recovery programs
- Individuals & families seeking private testing
DOT-regulated testing follows the 49 CFR Part 40 5-panel - order the DOT 5 panel when required.
31 Drug-Testing Centers in Castroville
3903 Wiseman Blvd Suite 21913.89 miles
San Antonio, TX 78251
4436 Culebra Rd Ste 318.31 miles
San Antonio, TX 78228
6430 Bandera Rd Ste 9818.57 miles
San Antonio, TX 78238
6100 Bandera Road, Suite 40018.66 miles
San Antonio, TX 78238
9234 N Loop 1604 W Ste 11018.71 miles
San Antonio, TX 78249
5720 Bandera Rd Ste 1418.98 miles
San Antonio, TX 78238
3015 General Hudnell Dr19.45 miles
San Antonio, TX 78226
9727 Poteet Jourdanton Fwy Ste 10119.81 miles
San Antonio, TX 78211
9727 Poteet Jourdanton Fwy Ste 10519.81 miles
San Antonio, TX 78211
7390 Barlite Blvd Ste 13520.03 miles
San Antonio, TX 78224
5282 Medical Dr Ste 19020.44 miles
San Antonio, TX 78229
2040 Babcock Rd Ste 10120.60 miles
San Antonio, TX 78229
2040 Babcock Rd Ste 30320.60 miles
San Antonio, TX 78229
4241 Woodcock Dr Ste A12520.72 miles
San Antonio, TX 78228
8042 Wurzbach Rd Ste 14021.23 miles
San Antonio, TX 78229
4411 Medical Drive, Ste 17021.30 miles
San Antonio, TX 78229
6222 Deiavala #10421.60 miles
San Antonio, TX 78249
2406 Commercial Ave Ste 11121.84 miles
San Antonio, TX 78221
12703 Mountain Air Ste 10521.94 miles
San Antonio, TX 78249
3355 Cherry Ridge St Ste 103b22.54 miles
San Antonio, TX 78230
5222 De Zavala Rd Ste 30422.74 miles
San Antonio, TX 78249
12651 Vance Jackson Rd Ste 11422.89 miles
San Antonio, TX 78230
343 W Houston St Ste 30823.47 miles
San Antonio, TX 78205
1303 Mccullough Ave Ste 136,23.98 miles
San Antonio, TX 78212
1200 Brooklyn Ave Ste 16524.08 miles
San Antonio, TX 78212
10 Panel Lab Based Test vs. 10 Panel Instant Test
Understand the differences - speed vs. defensibility - so you can choose the right 10 panel drug test option for employment, court, and personal testing.
Both options screen the same 10 drug classes (THC, cocaine, opiates, amphetamines/methamphetamine, PCP, benzodiazepines, barbiturates, methadone, propoxyphene, and Quaaludes*). The difference is how results are produced, verified, and used.
*Methaqualone only available in urine lab-based testing
10 Panel Lab based vs. 10 Panel Instant Drug Test
| Feature | 10 Panel Lab-Based | 10 Panel Instant (POCT) |
|---|---|---|
| Primary Use | Employment, legal/court, policy-driven programs | Rapid on-site screening; same-day hiring decisions |
| Specimen | Urine (standard); hair/oral fluid/nail options | Urine (most common) |
| Speed | Negatives 1 business day after lab receipt; non-negatives 2-3 days with MRO | Screen results in 5-10 minutes (presumptive) |
| Accuracy & Confirmation | High; confirmatory GC/MS or LC-MS/MS on any non-negative | Screening only; non-negatives should be lab-confirmed |
| MRO Review | Yes (on non-negative lab results) | Not by default; added when sending to lab |
| Chain of Custody (CCF) | End-to-end documented | Used for screen; lab CCF applies if sent for confirmation |
| Legal Defensibility | Strong (SAMHSA-certified lab + confirmation + MRO) | Limited until confirmed by a lab |
| Compliance | Meets most employer/court policies; DOT uses lab-based 5-panel | Great for rapid screens; policies often require confirmation for final action |
| Cost Profile | Higher unit price; includes confirmation/MRO when needed | Lower upfront; confirmation adds cost/time on non-negatives |
Choose 10 panel Lab-Based If You Need:
- Defensible results for employment, licensing, or court
- MRO oversight to evaluate prescriptions and verify results
- Audit-ready documentation with full Chain of Custody
- Mass-spectrometry confirmation for any non-negative screen
Best for: pre-employment, randoms, return-to-duty/follow-up, post-accident (when policy requires confirmation), legal/custody cases.
Order 10 Panel Lab-BasedChoose Instant (POCT) If You Need:
- Immediate screening at the point of collection
- Faster hiring decisions with on-site programs
- To screen first, confirm only if needed
- Temporary removal from duty pending confirmation (policy-dependent)
Reminder: Instant results are presumptive. Confirm non-negatives at a SAMHSA-certified lab for final decisions.
Order 10 Panel Instant10 Panel Drug Test Detection Times
Windows are driven by drug metabolism and specimen type, not whether testing is lab-based or instant. Urine is standard for both; alternative specimens are typically lab-based.
| Specimen | Typical Detection Window | Best Use |
|---|---|---|
| Urine | 1-7 days (THC up to 30) | Employment, legal, personal |
| Hair | Up to 90 days | History/patterns of use |
| Oral Fluid (Saliva) | 24-72 hours | Recent use; post-accident/suspicion |
| Blood | Hours to 2-3 days | Very recent use |
| Nails | 3-6 months | Extended look-back |
Compliance Notes
- DOT programs require a lab-based 5-panel under 49 CFR Part 40 (not a 10 panel).
- Many employer/court policies require lab confirmation + MRO review for final actions.
- On-site instant testing may require appropriate CLIA credentials depending on device and state rules.
10 Panel Drug Test FAQ's
Questions about 10 panel drug testing: Coverage. Detection times, Turnaround, Compliance, and More.
Quick overview: A 10 panel drug test screens for marijuana (THC), cocaine, opiates, amphetamines (incl. methamphetamine), PCP, benzodiazepines, barbiturates, methadone, propoxyphene, and Quaaludes (methaqualone*).
*Available in lab-based testing only
What Does a 10 Panel Drug Test Detect?
- Marijuana (THC)
- Cocaine
- Opiates (morphine, codeine, heroin)
- Amphetamines (incl. methamphetamine)
- Phencyclidine (PCP)
- Benzodiazepines
- Barbiturates
- Methadone
- Propoxyphene
- Quaaludes (methaqualone) (available in lab-based testing only)
How It Works
- Order: Online or by phone; select location and donor details.
- Collection: Visit a nearby site with a valid photo ID.
- Lab Analysis: Immunoassay screen with GC/MS or LC-MS/MS confirmation when needed.
- Results: Negatives within 1 business day; non-negatives 2-3 business days after MRO review.
Compliance You Can Trust
- Trained & Qualified Collectors
- Testing at SAMHSA certified laboratories
- Confirmatory GC/MS or LC MS/MS testing
- Medical Review Officer (MRO) oversight for non-negative screens
- End to end electronic Chain of custody (CCF) documentation
For DOT-regulated positions, use the DOT 5-panel per 49 CFR Part 40.
Nationwide Locations
Find a convenient collection site near you and schedule same-day testing. All sites follow strict chain-of-custody procedures and quality controls. Find Locations
Questions? Call 1-800-221-4291 or contact us.
10 panel starting at $109.99, price shown for standard lab based 10 panel urine test; volume & employer discounts available.
Last updated September 6, 2025
Same-Day Scheduling
Appointments at 17,000+ collection sites nationwide.
Certified Lab Testing
SAMHSA-certified labs with MRO review on non-negative screens.
Secure Results
Confidential online reporting in 1-3 business days.
10 Panel Drug Testing in Castroville, TX
Castroville, Texas, is a charming city located in Medina County with a rich history and a vibrant community. Known as “The Little Alsace of Texas,†Castroville was founded in 1844 by Henri Castro and is known for its Alsatian heritage and quaint, old-world charm.
The population of Castroville is just over 3,000 residents, according to the latest census data. This small but growing community is known for its warm, friendly atmosphere and commitment to preserving its unique cultural legacy.
Castroville is located approximately 20 miles west of San Antonio, providing residents and visitors easy access to the city’s amenities while offering a peaceful, small-town lifestyle. Despite its proximity to a major city, Castroville maintains a distinct, rural character and boasts numerous historic buildings and sites.
The city offers a range of activities and attractions, including the Medina River, which provides opportunities for kayaking, fishing, and enjoying the natural beauty of Texas. Visitors can also explore the Castroville Regional Park, which offers walking trails, picnic areas, and recreational facilities.
Education is another important aspect of Castroville, with several well-regarded schools serving the community, including Medina Valley High School and Castroville Elementary School. The city is committed to providing quality education to its younger residents.
Castroville also hosts a variety of community events throughout the year, including the Castroville Historic Tour, which showcases the city’s beautiful, preserved Alsatian architecture and offers insights into its rich historical past.
In summary, Castroville, Texas, is a unique and welcoming community that blends history with modern living, offering residents an exceptional quality of life amidst beautiful scenery and robust cultural heritage.
Castroville, TX Drug Information & Statistics
While specific drug-related statistics for Castroville, Texas, are not readily available, Medina County, where Castroville is located, reflects concerning trends observed nationwide. It is vital for local communities to stay vigilant and prioritize awareness and support systems to effectively combat substance abuse issues.
Employment-related drug testing in the region underscores the importance of maintaining drug-free workplaces. Adopting comprehensive drug policies remains a significant focus, ensuring safety and well-being across various sectors within the county.
Rapid 10 panel urine drug tests, starting at $114 - Volume discounts available for employers
Price shown for standard rapid 10 panel urine test. DOT testing available upon request.