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.).
  • Service Request Identifier
  • Service Request Status
  • Service Request Status Reason
  • Procedure Performed
  • Procedure Status
  • Procedure Status Reason
  • Procedure Date and Time
  • Procedure Tolerance (if assessed)
  • Procedure Tolerance Narrative (if applicable)
  • Health Concern(s) (if dehydration, anxiety, etc. are clinically documented)
  • Health Concern Clinical Status (if applicable)
  • Body Temperature (only if low temperature is actually measured)
  • Date and Time of Observation
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.
  • Service Request Status
  • Service Request Status Reason
  • Service Request Timing
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.
  • Service Request Identifier
  • Service Request Status
  • Service Request Timing
  • Appointment Service Category
  • Appointment Service Type
  • Appointment Creation Date and Time
  • Appointment Requested Range
  • Appointment Reason
  • Appointment Instructions
  • Appointment Confirmation Status
  • Appointment Period
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.
  • Service Request Additional Instructions
  • Appointment Instructions
  • Document Date and Time Document Status
  • Document Type
  • Document Recipient
  • Document Content
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.

connectedcare@cihi.ca

How to cite:

Canadian Institute for Health Information. CC-UC-02602 - Unable to Retrieve Blood Sample. Accessed November 02, 2026.