SIPOC — Blood Bank Unit Issue
Scopes red cell issue from an authorised request to a unit collected at the fridge across seven steps, scoring a 96-minute request-to-collection time against a 60-minute target and a 2.9% wastage rate.
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title "Red cell issue — hospital blood bank"
scope "Authorised transfusion request received" -> "Unit released to the collector"
owner "Transfusion laboratory manager"
metric "Request to collection" target: 60 actual: 96 unit: min
metric "Red cell wastage" target: 1.5% actual: 2.9%
metric "Samples rejected on receipt" target: 2% actual: 8.4%
suppliers: Ward medical team, Phlebotomy service, Blood service supply chain, Portering
inputs:
- Authorised transfusion request
- Correctly labelled crossmatch sample
- Patient historical transfusion record
- Stock of group-matched red cells
- Collection slip
process: Receive the authorised request and book in the sample -> Check historical record -> Group and antibody screen
-> Perform electronic crossmatch -> Reserve and label units -> Record issue in the LIMS
-> Release unit to the collector
outputs: Crossmatched red cell units, Compatibility report, Issue audit entry, Rejected sample notification
customers: Ward nursing team, Patient, Haemovigilance lead, Blood service
requirement input "Correctly labelled crossmatch sample": "Fully handwritten at the bedside with no amendments" (CTQ)
requirement input "Authorised transfusion request": "Names the indication and the number of units, signed by a prescriber"
requirement output "Crossmatched red cell units": "Group-compatible, in date, and kept below 6 C in transit" (CTQ)
requirement output "Compatibility report": "Available in the record before the unit leaves the laboratory"