Specimen Documentation Guide
Drug Testing Chain of Custody: How Specimen Documentation Works
Chain of custody is the paper or electronic trail that follows a drug-test specimen. It records who collected it, when, how it was identified and sealed, who handled it and how it moved to the lab and into a report. It helps establish specimen integrity.
Quick answer
What Does Chain of Custody Document?
- Who collected the specimen and when.
- How it was identified, sealed and labeled.
- Who handled it, where it was sent and how transfers were recorded.
- It does not by itself decide admissibility, prove drug use or set a consequence.
Following the specimen
Chain of Custody: Following the Specimen
Chain of custody flow from collection to reporting.
Collection
Identification
Seal / label
Transfer
Lab receipt
Analysis
Reporting
Definition
What Is Chain of Custody?
It is documentation that links a specific specimen to a specific person and tracks every handoff until the result is reported.
Federal workplace testing standard
The Federal Custody and Control Form
The Federal Custody and Control Form is used in federally regulated workplace drug-testing programs, such as those under 49 CFR Part 40. SAMHSA publishes the current 2026 Federal CCF and guidance. The Federal CCF is used in federally regulated workplace testing. It is not automatically the required chain-of-custody form for every court or private testing program. Court programs, private providers and labs may use different documentation.
Why it matters
Why Specimen Integrity Matters
Good documentation helps show the result belongs to the right specimen and person. Whether a result is used in court is a legal question for counsel and the court.
Objective review
Common Documentation Issues
- Missing identifiers
- Broken or undocumented seals
- Inconsistent dates
- Missing transfer records
- Incorrect specimen information
- Report mismatch
Next steps
If Something Looks Wrong
Share concerns with defense counsel and the laboratory or provider involved. See also False Positive Drug Tests, Dilute Urine Results and Urine Cutoff Levels.
Legal note
Admissibility and consequences are legal questions. Defense counsel handles them; the court decides.
What ETS can and cannot do
Where Executive Treatment Solutions Fits
ETS is not a laboratory. ETS coordinates testing with collection providers and keeps authorized records organized.
Responsibilities
Who Does What?
Collection provider
Collects, seals and documents the specimen.
Laboratory
Receives, analyzes and reports.
Defense counsel
Reviews documentation if a result is disputed.
Court
Decides legal questions.
ETS
Coordinates testing and authorized records.
Questions
Chain of Custody: Frequently Asked Questions
Sources & Legal References
Federal workplace testing standard (reference only — not court rules)
Confidential consultation
Documented Testing Support
ETS can coordinate testing and keep authorized records organized.
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