How Long Does Suboxone Stay in System? Texas BUP Tests
Co-Founding Partners
Texas Bar verified. Reggie London (Texas Bar No. 24043514) and Njeri London (Texas Bar No. 24043266) are the co-founding partners of L and L Law Group, PLLC — based at 5899 Preston Rd, Suite 101 in Frisco, Texas (Collin County), with many 5-star Google reviews, and available 24/7 for criminal defense consultations.
Table of Contents
Buprenorphine pharmacokinetics
Half-life: 24-42 hours (long-acting partial opioid agonist). Active metabolite: norbuprenorphine (similar half-life). Hepatic CYP3A4 metabolism. Naloxone component (added to deter injection abuse) has very short half-life and is not bioavailable when taken sublingually. Long half-life supports once-daily dosing for opioid maintenance. Complete elimination of buprenorphine: 5-7 days; metabolites continue to be detectable longer.
Detection windows
Urine: 7-10 days for typical maintenance doses; up to 14 days for chronic high-dose users. Blood: 2-3 days. Saliva: 5-7 days. Hair: 90 days. Important: standard opioid immunoassay (SAMHSA-5 panel) does NOT detect buprenorphine — specific buprenorphine test must be ordered. Cutoff: 10 ng/mL buprenorphine + norbuprenorphine. Many Texas probation programs now include buprenorphine testing because MAT is widespread.
MAT (Medication-Assisted Treatment)
Suboxone is one of three FDA-approved opioid use disorder medications: Methadone (full agonist) — clinic-dispensed daily. Buprenorphine (Suboxone, Zubsolv, Subutex — partial agonist) — physician-prescribed, take-home doses. Naltrexone (Vivitrol — antagonist) — monthly injection. MAT dramatically reduces opioid overdose deaths and improves treatment retention. Federal regulations under DATA 2000 and SUPPORT Act expanded buprenorphine prescribing authority. Many Texas physicians can now prescribe.
Texas MAT on probation
Most Texas probation programs allow MAT including Suboxone with proper documentation. Required: (1) Prescription from authorized provider; (2) Pharmacy records; (3) Treatment plan documentation; (4) Regular drug testing including buprenorphine and other opioids; (5) Compliance with MAT clinic requirements. Probationers must take only prescribed dose — above-dose use violates probation. MAT presence on drug test should be expected; absence with positive opioid tests indicates non-compliance with MAT or illicit opioid use.
Texas buprenorphine legal status
Buprenorphine is Schedule III controlled substance under federal CSA and Texas Health & Safety Code § 481.104 (PG 3). Possession without prescription: state-jail felony under § 481.117 (under 28g); higher amounts escalate. Diversion of MAT medications (selling/sharing) is felony delivery under § 481.114 — common probation violation. Counterfeit Suboxone is rare but exists. Texas Prescription Monitoring Program (PMP) tracks all buprenorphine prescriptions.
Texas Penalty Group 3 Charges by Weight
| Weight | Offense | Range |
|---|---|---|
| Under 28 g | Class A misdemeanor | Up to 1 year county jail + $4,000 |
| 28-200 g | 3rd degree felony | 2-10 years |
| 200-400 g | 2nd degree felony | 2-20 years |
| 400 g+ | 1st degree enhanced | 5-99 years/life + $100K |
Have a Texas legal question?
Call L and L Law Group for a free, confidential consultation. We handle criminal defense across Collin, Dallas, Denton, and Tarrant counties.
Call (972) 370-5060In our practice defending Texas criminal cases, we have represented clients in Collin, Dallas, Denton, and Tarrant County criminal courts on the full Texas Penal Code and Health & Safety Code spectrum. Reggie's prosecutor background in Dallas County means we know the State's evidentiary playbook; Njeri's trial-trained motion practice anchors the suppression-driven defense work.
Key Legal Terms
- Penalty Group
- Texas Health & Safety Code § 481.102-481.105 classification of controlled substances by abuse potential and accepted medical use. Determines weight tiers and punishment ranges.
- Article 38.23
- Texas Code of Criminal Procedure exclusionary rule. Evidence obtained in violation of any federal or Texas constitutional or statutory provision is inadmissible against the accused.
- Aggregation
- Texas H&S § 481.002(5) rule that the total weight of any controlled substance, including adulterants and dilutants, counts toward the offense weight tier.
- 3g Offense
- CCP Article 42A.054 list of offenses ineligible for judicial probation and requiring 50% sentence served before parole eligibility (formerly Article 42.12 § 3g).
- Pretrial Diversion
- Pre-charge alternative under CCP Article 32.02 in which the prosecution agrees to dismiss charges upon successful completion of conditions (counseling, community service, restitution).
Frequently Asked Questions
How long does Suboxone stay in urine?
7-10 days for typical maintenance doses; up to 14 days for chronic high-dose users. Specific buprenorphine test required — standard opioid immunoassay (SAMHSA-5) does NOT detect buprenorphine.
Will Suboxone show on a standard opioid drug test?
No — specific buprenorphine test must be ordered. Buprenorphine doesn't cross-react with standard opiate immunoassay designed for morphine/codeine/heroin. Many Texas probation programs now include buprenorphine testing because of widespread MAT use.
Can I take Suboxone on Texas probation?
Generally yes with proper documentation. Required: prescription from authorized provider; pharmacy records; treatment plan; regular drug testing; compliance with MAT clinic. Disclose at intake; bring documentation to all tests. Above-dose use or diversion violates probation.
What's the difference between Suboxone and methadone?
Suboxone: buprenorphine + naloxone; partial opioid agonist; physician-prescribed; take-home doses; lower overdose risk. Methadone: full opioid agonist; clinic-dispensed daily (federally regulated); requires daily clinic visits initially; higher overdose risk but longer history of use.
Is Suboxone legal in Texas?
Yes with valid prescription. Schedule III controlled substance under Texas Health & Safety Code § 481.104 (PG 3). Possession without prescription: state-jail felony. Diversion (selling/sharing) is felony delivery. Texas PMP tracks all buprenorphine prescriptions.
