Hair Follicle Drug Testing Bellaire, TX
Accredited Drug Testing Inc provides Hair Follicle drug testing Bellaire, TX for individuals and employers needing a drug test utilizing the hair follicle analysis process. To schedule a hair follicle drug test in Bellaire, TX, Call (800) 221-4291. Most testing centers are within minutes of your home or office.
Hair follicle drug testing Bellaire, TX is available for 5, 10, and 12 panel drug screenings.
To schedule a Hair Follicle Drug Test at one of our testing centers in the Grady county area, Call (800) 221-4291, Same Day Service Available. Testing centers do not require an appointment, but you must call and register for the test.
Hair follicle drug testing is becoming a more popular method by employers and individuals in need of a drug test due to the detection time frame being longer than a standard urine test.
Local Hair follicle drug testing Bellaire, TX centers are available to assist our clients throughout the entire process and all of our hair follicle drug testing Bellaire, TX facilities have certified drug testing technicians available to conduct a hair follicle drug test collection.
Hair Follicle Drug Test
In recent years the method to conduct drug testing has more frequently included a hair follicle drug test. Many employers, courts and Substance Abuse Professional are requiring a hair follicle drug test instead of a standard urine test. Hair follicle drug tests are used by employers who have zero tolerance drug use policies, courts and individuals on probation. The primary benefit of a hair follicle drug test include a much longer detection period for drug use which typically is up to 90 days. However, when screening drug use within the last 5 days the urine test continues to be the most accurate test.
Hair Follicle Drug Test Process
The procedure used to perform a hair follicle test is simple, the drug testing specialist will cut approximately 120 strands of hair (not really a lot) utilize a chain of custody procedure and send the hair to a certified laboratory for analysis. Drug testing centers require at least 1.5 inches of hair to perform this test and the hair generally needs to come from the head, however if the donor does not have head hair certain testing centers can use hair from chest, leg or arm pit.
If a donor has no hair on their body, than a hair test cannot be performed!
Hair Follicle Drug Test Results
Once the hair follicles have been analyzed by a certified laboratory they will then be reviewed and then verified by a Medical Review Officer (licensed Physician) who will than release the results. Generally a negative hair follicle drug test result is available in 2-3 days. A non-negative hair follicle drug test is available in approximately 5 days.
Urine cut-off levels are expressed in nanograms per milliliter (ng/mL) or as a weight of drug per unit volume of urine. Hair cut-off levels are expressed in picograms per milligram (pg/mg) or as a weight of drug per unit weight of hair
5 Panel Hair Follicle Drug Test
The 5 panel hair follicle drug test screens for the following
- Amphetamine
- Cocaine
- Marijuana
- Opiates
- Phencyclidine
5 Panel w/ Expanded Opiates Hair Follicle Drug Test
The 5 panel w/ expanded Opiates hair drug test screens for the standard 5 drugs but will also screen for Opiate class drugs such as pain killers, which may indicate abuse of prescription drugs
- Amphetamine
- Cocaine
- Codeine
- Marijuana
- Morphine
- Phencyclidine
- Hydrocodone
- Hydromorphone
- Oxycodone
- Oxymorphone
- 6 AM- Heroine
10 Panel Hair Follicle Drug Test
The 10 panel hair follicle drug test screens for the following
- Amphetamines
- Barbiturates
- Benzodiazepines
- Cocaine
- Marijuana
- Methadone
- Methamphetamine
- Opiates
- Phencyclidine
- Propoxyphene
12 Panel Hair Follicle Drug Test
The 12 panel hair follicle drug test screens for the following
- Amphetamines
- Barbiturates
- Benzodiazepines
- Cocaine
- Marijuana
- Meperidine
- Methadone
- Opiates
- Oxycodone
- Phencyclidine
- Propoxyphene
- Tramadol
To schedule a Hair follicle Drug Testing Bellaire, TX Call (800)221-4291.
Accredited Drug Testing Inc. is pleased to provide hair follicle drug testing, alcohol testing, occupational health and DNA testing services in Bellaire, TX.
6565 WEST LOOP S STE 525 0.7 miles
BELLAIRE, TX 77401
4936 BEECHNUT ST 0.8 miles
HOUSTON, TX 77096
5420 DASHWOOD DR STE 205 1.0 miles
HOUSTON, TX 77081
5568 WESLAYAN ST 1.9 miles
HOUSTON, TX 77005
4635 SOUTHWEST FWY STE 575W 2.1 miles
HOUSTON, TX 77027
6440 HILLCROFT ST STE 104 2.3 miles
HOUSTON, TX 77081
9563 MAIN ST 2.5 miles
HOUSTON, TX 77025
6535 SOUTHWEST FWY 2.6 miles
HOUSTON, TX 77074
6065 HILLCROFT ST STE 208 2.6 miles
HOUSTON, TX 77081
6545 SOUTHWEST FWY 2.6 miles
HOUSTON, TX 77074
7515 Main Street, Suite 190 3.0 miles
Houston, TX 77054
5901 WESTHEIMER RD STE W 3.0 miles
HOUSTON, TX 77057
3637 W ALABAMA ST STE 100 3.0 miles
HOUSTON, TX 77027
2425 Fountain View Dr Ste 160 3.3 miles
HOUSTON, TX 77057
9321 KIRBY DR 3.4 miles
HOUSTON, TX 77054
1415 S VOSS RD STE 110-520 ON-SITE ONLY 3.5 miles
HOUSTON, TX 77057
7000 FANNIN ST STE 1620 3.5 miles
HOUSTON, TX 77030
7580 FANNIN ST ste 180 3.6 miles
HOUSTON, TX 77054
12401 S POST OAK RD STE 235 3.6 miles
HOUSTON, TX 77045
7545 S BRAESWOOD BLVD 3.7 miles
HOUSTON, TX 77071
7447 HARWIN DR STE 102 3.7 miles
HOUSTON, TX 77036
6624 FANNIN ST STE 1980 3.7 miles
HOUSTON, TX 77030
6411 FANNIN ST 3.9 miles
HOUSTON, TX 77030
8200 Wednesbury Lane Suite # 4, 4.1 miles
Houston, TX 77074
8313 SOUTHWEST FWY STE 111 4.2 miles
HOUSTON, TX 77074
3001 Fondren Rd STE G 4.3 miles
Houston, TX 77063
10807 Shawnbrook Dr 4.4 miles
Houston, TX 77071
9000 SOUTHWEST FWY STE 180 4.5 miles
HOUSTON, TX 77074
1213 HERMANN DR STE 155 4.6 miles
HOUSTON, TX 77004
2500 FONDREN RD STE 120 4.6 miles
HOUSTON, TX 77063
2450 FONDREN RD STE 125 4.6 miles
HOUSTON, TX 77063
1200 Binz St, Ste 115 4.6 miles
Houston, TX 77004
5535 MEMORIAL DR STE B 4.9 miles
HOUSTON, TX 77007
5711 Almeda Rd, Ste 131B 5.0 miles
Houston, TX 77004
1917 W GRAY ST 5.0 miles
HOUSTON, TX 77019
9701 RICHMOND AVE STE 115 5.1 miles
HOUSTON, TX 77042
9543 BISSONNET ST 5.3 miles
HOUSTON, TX 77036
2600 S GESSNER RD STE 205 5.4 miles
HOUSTON, TX 77063
3300 CRAWFORD ST 5.9 miles
HOUSTON, TX 77004
9180 KATY FWY STE 200 5.9 miles
HOUSTON, TX 77055
10039 BISSONNET ST Ste 120 6.0 miles
HOUSTON, TX 77036
5151 KATY FWY 6.0 miles
HOUSTON, TX 77007
5151 KATY FWY STE 170 6.0 miles
HOUSTON, TX 77007
107 YALE ST STE 200 6.1 miles
HOUSTON, TX 77007
1214 N POST OAK RD STE 100 6.2 miles
HOUSTON, TX 77055
1000 N POST OAK RD BLDG G STE 100 6.3 miles
HOUSTON, TX 77055
8104 SOUTHWEST FWY STE E 6.4 miles
HOUSTON, TX 77074
8101 W SAM HOUSTON PKWY S STE 100 6.5 miles
HOUSTON, TX 77072
9380 W SAM HOUSTON PKWY S Ste 300 6.5 miles
HOUSTON, TX 77099
6360 W SAM HOUSTON PKWY N STE 200 6.5 miles
HOUSTON, TX 77041
9200 Hempstead Rd Ste 137 6.6 miles
HOUSTON, TX 77008
2004 LEELAND ST 6.8 miles
HOUSTON, TX 77003
1200 MCKINNEY ST STE 473 7.0 miles
HOUSTON, TX 77010
2150 W 18TH ST 7.1 miles
HOUSTON, TX 77008
1001 TEXAS ST STE 1400 7.2 miles
HOUSTON, TX 77002
102 West 11th St 7.3 miles
Houston, TX 77008
2207 LAZYBROOK DR 7.3 miles
HOUSTON, TX 77008
2929 WOODLAND PARK DR 7.6 miles
HOUSTON, TX 77082
855 FROSTWOOD 7.6 miles
HOUSTON, TX 77024
635 W 19TH ST STE 203 7.8 miles
HOUSTON, TX 77008
1919 North Loop W Ste 125, 7.8 miles
Houston, TX 77008
2000 NORTH LOOP W STE 200 7.8 miles
HOUSTON, TX 77018
3727 GREENBRIAR DR STE 403 7.9 miles
STAFFORD, TX 77477
427 W 20TH ST STE 504 7.9 miles
HOUSTON, TX 77008
11807 WESTHEIMER RD STE 560 8.0 miles
HOUSTON, TX 77077
235 W 20TH ST 8.0 miles
HOUSTON, TX 77008
12121 Richmond Ave Ste 124, 8.3 miles
Houston, TX 77082
2550 GRAY FALLS DR STE 120 8.4 miles
HOUSTON, TX 77077
2428 TEXAS PKWY 8.4 miles
MISSOURI CITY, TX 77489
11621A KATY FWY 8.6 miles
HOUSTON, TX 77079
1445 NORTH LOOP W STE 720 8.7 miles
HOUSTON, TX 77008
11097 NORTHWEST FWY STE C 8.9 miles
HOUSTON, TX 77092
10961 NORTHWEST FWY 8.9 miles
HOUSTON, TX 77092
14045 MEMORIAL DR 9.2 miles
HOUSTON, TX 77079
11211 KATY FWY 9.2 miles
HOUSTON, TX 77079
10521 CORPORATE DR 9.5 miles
STAFFORD, TX 77477
1511 UPLAND DR STE 100 9.5 miles
HOUSTON, TX 77043
1111 GILLINGHAM LN 10.1 miles
SUGAR LAND, TX 77478
4615 I 45 STE 206 10.3 miles
HOUSTON, TX 77002
14770 MEMORIAL DR STE 100 10.3 miles
HOUSTON, TX 77079
6969 GULF FWY STE 370 10.3 miles
HOUSTON, TX 77087
2510 SMITH RANCH RD STE 102 10.3 miles
PEARLAND, TX 77584
1403 HIGHWAY 6 STE 100 10.3 miles
SUGAR LAND, TX 77478
12345 KATY FWY 10.5 miles
HOUSTON, TX 77079
14023 SOUTHWEST FWY 10.5 miles
SUGAR LAND, TX 77478
1250 7TH ST 10.6 miles
SUGAR LAND, TX 77478
13811 CHARTERHOUSE WAY 10.7 miles
SUGAR LAND, TX 77498
1398 ELDRIDGE PKWY STE 113 10.7 miles
HOUSTON, TX 77077
1201 LAKEVIEW DR 10.8 miles
SUGAR LAND, TX 77478
1414 SOUTH LOOP W STE 200 10.8 miles
HOUSTON, TX 77054
2626 S LOOP W STE 650D 10.8 miles
HOUSTON, TX 77054
2646 SOUTH LOOP W STE 550 10.8 miles
HOUSTON, TX 77054
3520 BROADWAY ST 11.0 miles
HOUSTON, TX 77017
900 BROADWAY ST 11.0 miles
HOUSTON, TX 77012
7117 Lyons Ave 11.0 miles
Houston, TX 77020
15259 Southwest Freeway, 11.3 miles
Sugar Land, TX 77478
6840 HIGHWAY 6 11.4 miles
MISSOURI CITY, TX 77459
3151 HIGHWAY 6 11.5 miles
SUGAR LAND, TX 77478
8633 BROADWAY #103 11.6 miles
PEARLAND, TX 77584
1235 LAKE POINTE PKWY # 102 11.6 miles
SUGAR LAND, TX 77478
7007 NORTH FWY STE 235 11.7 miles
HOUSTON, TX 77076
8799 NORTH LOOP E STE 110 11.8 miles
HOUSTON, TX 77029
9009 NORTH LOOP E STE 120 11.8 miles
HOUSTON, TX 77029
8505 GULF FWY STE F 11.9 miles
HOUSTON, TX 77017
16062 SOUTHWEST FWY STE 2 12.3 miles
SUGAR LAND, TX 77479
8720 HIGHWAY 6 STE 400 12.4 miles
MISSOURI CITY, TX 77459
14825 Northwest Fwy Suite 800 12.5 miles
Houston, TX 77040
2802 BUSINESS CENTER DR STE 110 12.6 miles
PEARLAND, TX 77584
16545 Southwest Frwy #225 12.6 miles
SUGAR LAND, TX 77479
14825 NORTHWEST FWY STE 800 12.7 miles
HOUSTON, TX 77040
16902 SOUTHWEST FWY 12.9 miles
SUGAR LAND, TX 77479
3531 TOWN CENTER BLVD S STE 101 13.0 miles
SUGARLAND, TX 77479
2211A BROADWAY ST 13.6 miles
PEARLAND, TX 77581
9006 Weyburn Grove Dr 13.6 miles
Houston, TX 77088
9723 HOMESTEAD RD 14.2 miles
HOUSTON, TX 77016
10909 EAST FWY 14.3 miles
HOUSTON, TX 77029
16125 Cairnway Dr Ste 106 14.8 miles
Houston, TX 77084
520 S SHAVER ST 14.9 miles
PASADENA, TX 77506
9138 WEST RD 15.1 miles
HOUSTON, TX 77064
17410 NORTHWEST FWY 15.2 miles
HOUSTON, TX 77040
12885 GULF FWY 16.0 miles
HOUSTON, TX 77034
11120 NORTH FWY STE E 16.0 miles
HOUSTON, TX 77037
19450 KATY FWY 16.1 miles
HOUSTON, TX 77094
17738 SUNSET RIVER LN 16.1 miles
HOUSTON, TX 77084
952 S Fry Rd, 16.4 miles
Katy, TX 77450
2211 E BROADWAY ST 16.4 miles
PEARLAND, TX 77581
13259 EAST FWY 16.6 miles
HOUSTON, TX 77015
2018 BROADWAY ST 16.6 miles
PEARLAND, TX 77581
1140 Westmont Dr Ste 510, 16.6 miles
Houston, TX 77015
13125 EAST FWY 16.7 miles
HOUSTON, TX 77015
3315 Burke Rd, Ste 106 16.7 miles
Pasadena, TX 77504
1140 WESTMONT DR STE 505 16.7 miles
HOUSTON, TX 77015
3350 FAIRVIEW ST 16.7 miles
PASADENA, TX 77504
3801 VISTA RD STE 390 16.8 miles
PASADENA, TX 77504
104 Medical Plaza 16.8 miles
MONT BELVIEU, TX 77580
4000 SPENCER HWY 16.8 miles
PASADENA, TX 77504
11717 Highland Meadow Dr, 17.0 miles
Houston, TX 77089
19728 SAUMS RD STE 179 17.0 miles
HOUSTON, TX 77084
654 N SAM HOUSTON PKWY E STE 189 17.0 miles
HOUSTON, TX 77060
10930 RESOURCE PKWY # C 17.0 miles
HOUSTON, TX 77089
16630 IMPERIAL VALLEY DR STE 115 17.1 miles
HOUSTON, TX 77060
11800 ASTORIA BLVD 17.1 miles
HOUSTON, TX 77089
1844 SNAKE RIVER RD STE A 17.1 miles
KATY, TX 77449
13469 EAST FWY 17.1 miles
HOUSTON, TX 77015
11301 fallbrook # 126 17.4 miles
HOUSTON, TX 77065
10680 Jones Road, Suite 200 17.4 miles
Houston, TX 77065
1209 GENOA RED BLUFF RD 17.5 miles
PASADENA, TX 77504
12600 NORTHBOROUGH DR 17.5 miles
HOUSTON, TX 77067
4001 PRESTON AVE STE 100 17.6 miles
PASADENA, TX 77505
401 GREENS RD 17.6 miles
HOUSTON, TX 77060
21238 KINGSLAND BLVD 17.6 miles
KATY, TX 77450
13141 FM 1960 RD W STE 500 17.6 miles
HOUSTON, TX 77065
10655 STEEPLETOP DR 17.6 miles
HOUSTON, TX 77065
8100 HIGHWAY 6 N STE E 17.7 miles
HOUSTON, TX 77095
10906 FM 1960 West 17.8 miles
Houston, TX 77070
13601 Woodforest Blvd 17.8 miles
Houston, TX 77015
21660 KINGSLAND BLVD 17.9 miles
KATY, TX 77450
21700 KINGSLAND BLVD 18.0 miles
KATY, TX 77450
7101 W GRAND PKWY S 18.2 miles
RICHMOND, TX 77407
5510-A W GRAND PKWY S 18.2 miles
RICHMOND, TX 77406
21929 KATY FWY 18.5 miles
KATY, TX 77450
4600 E SAM HOUSTON PKWY S 18.6 miles
PASADENA, TX 77505
4500 E SAM HOUSTON PKWY S STE 135 18.6 miles
PASADENA, TX 77505
6501 S FRY RD STE 1000 18.7 miles
KATY, TX 77494
1920 RANKIN RD STE 130 19.1 miles
HOUSTON, TX 77073
6930 FM 1960 RD W 19.1 miles
HOUSTON, TX 77069
13300 Hargrave Road, Suite 507 19.3 miles
Houston, TX 77070
5405 CONSULATE PLAZA DR 19.3 miles
HOUSTON, TX 77032
13215 DOTSON RD #120 19.3 miles
HOUSTON, TX 77070
14755 North Freeway Ste 400 19.5 miles
HOUSTON, TX 77090
628 S FRIENDSWOOD DR 19.7 miles
FRIENDSWOOD, TX 77546
321 W SAN AUGUSTINE ST 19.7 miles
DEER PARK, TX 77536
6825 SPENCER HWY 19.7 miles
PASADENA, TX 77505
4950 FM 1960 RD W STE A6 19.9 miles
HOUSTON, TX 77069
9110 BARKER CYPRESS RD 19.9 miles
CYPRESS, TX 77433
126 W SAN AUGUSTINE ST 20.1 miles
DEER PARK, TX 77536
102 W 2ND ST 20.1 miles
DEER PARK, TX 77536
1430 CENTER ST 20.2 miles
DEER PARK, TX 77536
1803 CENTER ST STE A 20.2 miles
DEER PARK, TX 77536
2106 CENTER ST 20.2 miles
DEER PARK, TX 77536
2818 CENTER ST 20.2 miles
DEER PARK, TX 77536
2910 CENTER ST 20.2 miles
DEER PARK, TX 77536
125 E 8TH ST 20.2 miles
DEER PARK, TX 77536
15621 Blue Ash Dr STE 170 20.4 miles
Houston, TX 77090
5141 Center St 20.4 miles
Pasadena, TX 77505
23900 KATY FWY 20.4 miles
KATY, TX 77494
1705 JACKSON ST 20.5 miles
RICHMOND, TX 77469
1601 Main St Ste 208, 20.5 miles
Richmond, TX 77469
1601 MAIN ST STE 405 20.5 miles
RICHMOND, TX 77469
7720 Spencer Hwy 20.6 miles
Pasadena, TX 77505
3648 FM 1960 RD W 20.6 miles
HOUSTON, TX 77068
1505 Winding Way Dr Ste 218 20.9 miles
Friendswood, TX 77546
1730 B F Terry Blvd Ste 302 21.1 miles
ROSENBERG, TX 77471
2161 FM 1960 RD W 21.3 miles
HOUSTON, TX 77090
2520 B F TERRY BLVD 21.4 miles
ROSENBERG, TX 77471
10705 SPRING GREEN BLVD STE 600 21.5 miles
KATY, TX 77494
10850 LOUETTA RD STE 1500 21.5 miles
HOUSTON, TX 77070
3354 E FM 528 RD 21.5 miles
FRIENDSWOOD, TX 77546
15882 CHAMPION FOREST DR 21.5 miles
SPRING, TX 77379
4114 AVENUE H 21.8 miles
ROSENBERG, TX 77471
3926 AVENUE H STE 11 21.8 miles
ROSENBERG, TX 77471
17030 Nanes Dr Ste 108 21.9 miles
Houston, TX 77090
24601 Southwest Freeway STE 100 21.9 miles
Rosenberg, TX 77471
16903 RED OAK DR STE 130 21.9 miles
HOUSTON, TX 77090
710 FM 1960 RD W 22.0 miles
HOUSTON, TX 77090
6601 CYPRESSWOOD DR # 231 22.1 miles
SPRING, TX 77379
17070 RED OAK DR STE 107 22.1 miles
HOUSTON, TX 77090
19333 HIGHWAY 59 N STE 230 22.2 miles
HUMBLE, TX 77338
25765 KATY FWY 22.2 miles
KATY, TX 77494
1100 SMITH DR 22.5 miles
ALVIN, TX 77511
7111 MEDICAL CENTER DR STE 200 22.6 miles
TEXAS CITY, TX 77591
250 BLOSSOM ST STE 270 22.7 miles
WEBSTER, TX 77598
561 Medical Center Blvd., 22.9 miles
Webster, TX 77598
2010 FM 1960 Rd E 22.9 miles
Houston, TX 77073
18648 MCKAY BLVD # 216 22.9 miles
HUMBLE, TX 77338
22475 TOMBALL PKWY 23.0 miles
HOUSTON, TX 77070
700 Gemini Avenue Suite 110 23.0 miles
Houston, TX 77058
110 Cypress Station Suite 152 23.1 miles
Houston, TX 77090
18951 N MEMORIAL DR 23.3 miles
HUMBLE, TX 77338
8901 Farm to Market 1960 Rd W, 23.4 miles
Humble, TX 77338
14044 SPRING CYPRESS RD 23.5 miles
CYPRESS, TX 77429
8901 FM 1960 BYPASS RD W STE 204 23.6 miles
HUMBLE, TX 77338
1120 NASA PKWY STE 304 23.8 miles
HOUSTON, TX 77058
1202 NASA PKWY 23.9 miles
HOUSTON, TX 77058
5529 Lovetta Rd Ste A, Office 9 23.9 miles
Spring, TX 77379
3128 S GORDON ST 24.5 miles
ALVIN, TX 77511
25801 HIGHWAY 290 24.7 miles
CYPRESS, TX 77429
2200 E NASA Pkwy 1, Ste 220 24.7 miles
Nassau Bay, TX 77058
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Handy Resources
Comprehensive Online Resources for Drug Testing
- National Institute on Drug Abuse (NIDA)
Provides comprehensive information on drug testing and its role in substance use disorder treatment.
- FDA: Drug Testing
Explains the FDA's role and regulations concerning drug testing for consumers.
- PDR.net
Provides detailed drug information and safety updates through a mobile-friendly platform.
- BeSafeRx - FDA
Resource by the FDA to help consumers identify and choose safe online pharmacies.
- SAMHSA: Drug Testing Resources for the Workplace
Resources and guidelines for drug testing in the workplace.
- Drugs.com
Provides drug information, side effects, and interactions for consumers and professionals.
- Drug Abuse Screening Test (DAST)
Online version of the DAST to help individuals assess whether they have a drug problem.
- Merck Manuals
Consumer-friendly medical resource providing comprehensive information on a wide array of health topics, including drug testing.
- SAMHSA Store
Provides access to resources and publications on substance use prevention and treatment.
- National Association of Boards of Pharmacy (NABP)
Information on state boards of pharmacy and regulations, including those related to drug testing.
- CDC: Workplace Health Promotion
CDC's resources on substance use and drug testing in the workplace.
- Mayo Clinic: Drug Testing
General information about the procedures and types of drug tests.
- MedlinePlus: Drug Testing
Offers information about various drug tests and their uses in medical diagnosis and treatment.
- University of Rochester Medical Center Health Encyclopedia
Provides a detailed entry on drug testing, including how tests are conducted and what they detect.
- World Health Organization (WHO)
International guidelines and information on public health, including substance abuse and drug testing.
- Healthline: Drug Testing
Consumer health site offering information on how drug tests work and what they look for.
- WebMD: Drug Testing
Provides a patient-oriented overview of drug testing and its purposes.
- National Center for Biotechnology Information (NCBI)
Provides a vast database of scientific studies, including research on drug testing and its effectiveness.
AI Overview
Hair Follicle Drug Testing: An Overview
Hair follicle drug testing is a method used to detect the use of illicit drugs or the misuse of prescription drugs over an extended period. Unlike urine tests, which can detect recent drug use, hair follicle testing provides a longer window of detection, typically up to 90 days. This overview explores how hair follicle drug testing works, its applications, and its benefits.
How Hair Follicle Drug Testing Works
The process involves taking a small sample of hair, usually from the head but sometimes from the body if scalp hair is insufficient. The hair is tested to identify drugs and their metabolites, which are deposited in the hair from the bloodstream. This method is sensitive to a wide range of substances, including marijuana, cocaine, opiates, methamphetamine, and phencyclidine (PCP).
Applications of Hair Follicle Drug Testing
- Employment Screening: Many employers use hair follicle testing as part of their pre-employment screening processes and in regular checks to ensure a drug-free workplace.
- Legal and Forensic Cases: This testing is used in legal settings to provide evidence in custody disputes, DUI cases, and other legal matters requiring proof of drug use.
- Rehabilitation Monitoring: Health care providers and rehab centers use hair tests to monitor individuals recovering from drug addiction.
Advantages of Hair Follicle Drug Testing
- Long Detection Period: Can detect drug use for up to 90 days, making it more effective for identifying long-term drug use than other testing methods.
- Tamper Resistance: The nature of hair sample collection makes it difficult to tamper with or substitute samples, providing more accurate results.
- Non-invasive: The process is simple and does not require the handling of bodily fluids, making it less invasive and safer to administer.
Considerations and Limitations
While hair follicle drug testing is highly effective, there are considerations to keep in mind:
- Growth Rate Variability: Hair growth rates can vary from person to person, potentially affecting the detection window.
- Potential for External Contamination: Drugs can sometimes be absorbed from the environment, leading to potential false positives, though washing the hair sample prior to testing can mitigate this risk.
- Cultural and Personal Concerns: The requirement of hair samples can raise concerns among those with hair loss or individuals whose cultural practices affect hair grooming or styling.
Hair follicle drug testing is a reliable and comprehensive method for detecting drug use over an extended period. It is widely used across various sectors for its accuracy and tamper-resistant methodology, making it a valuable tool in maintaining drug-free environments and supporting legal and medical interventions.