Overview
Blood bank quality documentation is the complete, contemporaneous written or electronic record . SOPs, testing worksheets, issue/tag records, and deviation reports, that allows an independent reviewer to reconstruct what was done, by whom, and why, without relying on staff recall.
Classification
| Category | Captures |
|---|---|
| SOPs | The approved, current method for performing a task |
| Testing worksheets | What was actually performed and observed for a specimen |
| Issue/tag records | The signed link between a specific unit and a specific patient at release |
| Deviation/incident reports | Any off-SOP event, its investigation, and its corrective action |
Morphologic Features
Not a cell-morphology topic, this is a documentation-practice reference.
Laboratory Characteristics
- Entries are dated/timed at or near the actual event, not batch-completed later
- A discrepancy's resolution is documented with the same rigor as the original discrepancy
- Deviation reports name a root cause and a corrective action, not just a description
- Verbal handoff communication is never treated as equivalent to the written/electronic record
Reference Intervals
Not applicable, qualitative documentation-practice reference. Record-retention periods and exact required elements are institution- and regulatory-specific; verify against current SOP.
Clinical and Laboratory Significance
Complete, contemporaneous documentation is the evidentiary basis for defending a testing or issue decision later, in a transfusion-reaction workup, an audit, or an accreditation review, regardless of whether the eventual outcome was correct.
Differential Considerations
Distinguish a hard-stop documentation gap (prevents verifying a result/release right now, e.g., an undocumented discrepancy resolution) from a downstream review step that can reasonably follow release (e.g., a supervisor's periodic sign-off on an otherwise complete record).
Comparison Tables
Distinguishing hard-stop gaps from downstream review steps
| Missing element | Hard stop before release? | Required action |
|---|---|---|
| Discrepancy resolution not documented | Yes | Document immediately; do not finalize result until captured |
| Reagent lot/control trace missing on worksheet | Yes | Locate and record before accepting result as valid |
| Issue tag unsigned | Yes | Do not consider issue complete without signed link |
| Supervisor periodic review sign-off pending | No | Complete review on the standard schedule; does not block release |
Classification Frameworks
Not applicable, laboratory documentation reference, not a WHO disease classification.
Laboratory Notes
- Write down a discovered documentation gap as soon as it is noticed, even after the fact
- Never rely on staff memory or verbal handoff as the record of record
- A correct result with an undocumented process is not distinguishable, on paper, from an unverified one
References
Authoritative textbooks, guidelines, and reviews supporting this reference entry. Verify reference intervals, critical limits, and reflex criteria against institutional protocols and current guideline editions.
Textbooks
- Cohn CS, Delaney M, Johnson ST, Katz LM, eds. Technical Manual. 21st ed. AABB; 2023.
- Harmening DM. Modern Blood Banking & Transfusion Practices. 7th ed. F.A. Davis; 2019.
CLSI and Professional Guidelines
- AABB. Standards for Blood Banks and Transfusion Services (verify current edition and institutional adoption).
- U.S. Food and Drug Administration. Code of Federal Regulations Title 21 . Blood and Blood Components (verify current institutional adoption).
- Clinical and Laboratory Standards Institute. Related immunohematology and specimen identity standards (verify current documents and institutional adoption).
Frequently Asked Questions
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What is the Blood Bank Quality Documentation laboratory reference?
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