Does Kava Show Up on Urine test?

Evidence-based answer reviewed against SAMHSA cutoffs and FDA assay documentation · Updated August 2026

Quick answer: On a urine test, Kava typically registers for not tested; no standard interference after last use. ('Urine remains the employment default because it balances cost, window-length and legal defensibility. Metabolite CONCENTRATIONS (not presence/absence) decide results against cutoff tables, which is why hydration status moves numbers and why validity checks (creatinine, specific gravity) police dilution attempts.',)

How urine testing catches Kava

('Urine remains the employment default because it balances cost, window-length and legal defensibility. Metabolite CONCENTRATIONS (not presence/absence) decide results against cutoff tables, which is why hydration status moves numbers and why validity checks (creatinine, specific gravity) police dilution attempts.',)

Never screened on standard panels.

Compare all specimens

Ranges reflect occasional-to-heavy use patterns from FDA device inserts and SAMHSA-certified lab conventions.
Test typeTypical Kava detection window
Urineany: not tested; no standard interference
Saliva (Mouth Swab)any: n/a
Hair Folliclesn/a
Bloodany: n/a

Context worth knowing

Kava drinks don't register on drug tests — kavalactones aren't screened anywhere in workplace testing. Search interest spiked after kratom coverage; the two plants differ completely here.

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Does Kava Show up on Urine Drug Test?

No — standard employment panels don't include Kava. Only specialized orders reach it.

Will Kava Show up on a Urine Drug Test?

No — standard employment panels don't include Kava. Only specialized orders reach it.

Do prescriptions count against me?

No — verified prescriptions report as negative through the Medical Review Officer. Declare medications at collection and answer the follow-up call.

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Sources & further reading

  • SAMHSA — Mandatory Guidelines for Federal Workplace Drug Testing Programs (cutoffs, MRO process)
  • DOT — 49 CFR Part 40 procedures for transportation workplace testing
  • Brahm NC et al., Mayo Clinic Proceedings 2008;83(1):66–76 — false-positive cross-reactivity reference
  • FDA — drug-of-abuse test device labeling (detection window conventions)