33 · Content + toolSubstance Detection Window Calculator
Substance Detection Window Calculator
without the guesswork.
Substance Detection Window Calculator：保守区间与核验提示 · 内容与工具混合页。结果仅在页面内计算，不上传输入数据。
Primary search intenthow long does thc stay in urine4 related keyword signals · L3 release tier
L3 · verify before relyingLocal-only input
Your result
1 – 30 天参考
输出文献型宽泛区间，不给出单一确定天数。
物质cannabis
样本urine
频率occasional
参考窗口1 – 30 天
Read before relying
Context matters.
- 检测窗口受物质、剂量、频率、代谢、样本和截断阈值影响；毛发窗口还受取样长度影响。不会检出不等于安全或没有影响。
RulePack 1.0.0
Draft / verifySources & scope
This page is generated from a versioned rule record. It shows the source trail and review state alongside the result.
CalcSpanPlain-date calculation method and input semanticsINTERNAL-METHOD-001 · retrieved 2026-08-20SAMHSAClinical Drug Testing in Primary Care (TAP 32)SRC-SAMHSA-DRUG-001 · retrieved 2026-08-19FTCMobile Health Apps Interactive ToolSRC-FTC-HEALTH-001 · retrieved 2026-08-19
JurisdictionUnited States — educational reference
Next review2027-02-20
PrivacySensitive input stays local