Specimen Collection & Preparation
United States, Canada
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Determine the Specimen Requirements
In the Test Catalog, use the Specimen and Overview tabs of each test to identify:
- Patient preparation requirements
- Specimen requirements
- Specimen container requirements
- Specimen stability (temperature) requirements
- Collection instructions
- Required forms or special instructions
Provide Acceptable Containers
Containers must be capable of withstanding, without leakage, an internal pressure of 95 kPa in the range of -40°C to 55°C.
Mayo Medical Laboratories supplies containers for fecal specimen collection and processing:
T291 Kit for
24, 48, 72 hours
T288 4 oz. container for random collection
Supplied containers have the following label affixed:
Do not send specimens in unapproved containers due to potential shipping problems. Use Mayo Medical Laboratories containers to avoid courier rejection and transportation delays.
Give Stool Collection Instructions to the Patient
Print the Stool Collection Instructions for the patient.
When you give the instructions and container to the patient:
- Place a label with patient information on the container or write the patient name on the label.
- Review with the patient:
- Collection duration
- Diet requirements
- Storage of the specimen until it is returned
- Do not fill any container more than 3/4 full (to the indicated line on the label)
- Provide Mayo Medical Laboratories containers for a timed collection
- How to obtain additional containers from you if necessary
Note: The collection kit comes with an instruction brochure for the patient.
After Collection, Complete the Label
When the patient returns the container to you, complete the following information on the label affixed to the container:
- In the Duration section of the label, mark the collection duration. If timed duration is other than those listed, check "other" and list the duration on the line provided.
- Indicate if the entire collection is contained in one container or in multiple containers. If multiple containers, indicate the number of each container (eg, 1 of 3).
Label the Specimen
Specimens must have two (2) person-specific identifiers on the patient label. Person-specific identifiers include:
- Accession number
- Patient's first and last name
- Unique identifying number (eg, medical record number)
- Date of birth
Specimens are considered mislabeled when there is a mismatch between the person-specific identifiers on the specimen and the information accompanying the specimen. This information might include a computer system, requisition form, or additional paperwork.
In addition, if there is a handwritten name on the container and a label on the container, the information must match exactly. For example, "Rebecca" does not match "Becky." When insufficient or inconsistent identification is submitted, a new specimen may be required.
Package the Specimen in a Biohazard Bag
T043 Biohazard Bag
Place the specimen container in a Mayo Medical Laboratories 12x15 biohazard plastic shipping bag (Supply T043). This bag contains material capable of absorbing the full liquid content of the specimens inside.
Mark the appropriate temperature on the bag: Frozen, Refrigerate, or Room Temp (Ambient).
If you are not using a bag supplied by Mayo Medical Laboratories:
- The bag must be leakproof.
- There must be absorbent material between the primary receptacle (tube/container) and the secondary packaging (bag) that is able to absorb the entire contents of the bag.
Packaging Multiple Specimens
When a stool test is listed on the temperature batch number with other specimens, the stool container must be bagged separately from other specimens.
Make a copy of batch page listing the stool test and enclose it with the stool specimen in the bag. The remaining specimens and temperature batch number pages should be bagged together.
Package Batch Sheets and Forms
Folded batch sheet with
bar code and delivery
Clients who submit electronic orders will have a batch sheet. The bottom of the batch sheet lists the number of pages (eg, 1 of 3). Fold the batch sheets in fourths and place them in the outside pocket of the bag. If there is no pocket, place them inside the bag with the specimens. Include all pages in the corresponding bag. Delivery address and bar code if applicable must be visible. Do not combine multiple batches into 1 bag.
Clients who do not order electronically must include a completed Test Request form with each patient specimen. Our Customized Test Request Form generator provides the Test Request form and all other required forms for the specified test. Complete and print all forms included, then fold and insert the forms into the outside pocket of the biohazard bag. If there is no pocket, place them inside the bag with the specimen.