CC-UC-02602 - Unable to Retrieve Blood Sample
Actors
- Client/Client caregiver
- Clinic administrator
- Phlebotomist
Pre-conditions
- The client has an appointment or is at a walk-in diagnostic laboratory clinic.
- The client has been registered and screened for blood test preparedness.
| Step | Description | Data elements collected | Result |
| 1 | The phlebotomist is unable to retrieve blood from the client. The inability to draw blood may include but is not limited to dehydration, difficult veins, client anxiety, low body temperature causing vasoconstriction etc.). |
|
Blood specimen collection is unsuccessful, and the client's medical record is updated to reflect the reason for the unsuccessful collection. |
| 2 | The Phlebotomist recommends that the client reschedule the laboratory test. |
|
The client is advised to reschedule the laboratory test, and the client's medical record is updated to reflect the recommendation. |
| 3 | The clinic administrator re- schedules the laboratory test. |
|
The laboratory test is rescheduled and updated in the client's medical record. |
| 4 | The Clinic administrator provides the client with laboratory test preparatory instructions such as fasting. |
|
The laboratory test is rescheduled and client receives preparatory instructions. |
| 5 | This use case ends. | Not applicable | Not applicable |
Post-conditions
- Blood specimen collection is unsuccessful.
- The laboratory test is rescheduled and the client is provided with laboratory test preparatory instructions.
- Client's medical record is updated at the diagnostic laboratory clinic.
Contact us
If you have questions about this initiative, would like to be added to our stakeholder notification list or would like to participate in our consultations, please email us.
How to cite:
Canadian Institute for Health Information. CC-UC-02602 - Unable to Retrieve Blood Sample. Accessed November 02, 2026.