What Is Split Specimen?
Split Specimen is a drug-testing collection method that divides one urine sample into two sealed containers. The primary container supports the main laboratory test. The second container remains available for a separate review when the testing process calls for it. Both containers come from the same collection and follow documented handling steps.
Quick Facts About Split Specimen
Category
DOT drug-testing collection method
Used for
Primary testing and possible specimen review
Common confusion
It isn't two separate collections
Also called
Split Sample
Often discussed with
DOT Drug Testing
Key Takeaways About Split Specimen
- One collection produces two sealed containers.
- The primary container supports the main test.
- A split specimen isn't two separate collections.
How Split Specimen Works
Split Specimen collection places portions of one urine sample into a primary container and a secondary container. The primary container goes through the main laboratory test. The secondary container stays sealed unless a separate review becomes part of the process.
Related glossary terms: Chain Of Custody, Drug Panel, Medical Review Officer.
The collector records the sample details and seals both containers. This record supports the Chain of Custody, which tracks who handled the sample. The process also connects the containers to the original Specimen Collection, so the sample history stays clear.
For DOT drug testing, the split format gives the testing process a second portion from the same collection. The second container isn't a new sample, and it doesn't represent a separate collection event.
From the Arrowhead Clinic Chiropractor Garden City team
When we handle DOT Drug Testing, we check that both containers match the collection record and remain properly sealed. Our team also reviews the chain-of-custody information so the primary and split portions stay linked throughout the process.
Split Specimen in Practice: A Real-World Example
A worker completes a DOT drug test, and the collector divides the urine sample into two sealed containers. The primary portion goes to the laboratory, while the second portion remains available for the next step if the process requires it.
Related Services
Related Terms
Chain Of Custody
Chain Of Custody is a documented record that tracks a drug test specimen from collection through…
Drug Panel
A drug panel is a group of drug tests performed on one specimen to check for…
Medical Review Officer
A Medical Review Officer is a licensed physician who reviews drug test results and checks medical…
Specimen Collection
Specimen Collection is the controlled process of receiving, identifying, and securing a sample for testing. In…
Arrowhead Clinic Chiropractor Garden City
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