US · guidance
CMS SOM App. C, Tag D5559
§493.1271 Standard: Immunohematology
(e) Investigation of transfusion reactions.
(e)(1) According to its established procedures, the laboratory that performs
compatibility testing, or issues blood or blood products, must promptly investigate
all transfusion reactions occurring in facilities for which it has investigational
responsibility and make recommendations to the medical staff regarding
improvements in transfusion procedures.
(e)(2) The laboratory must document, as applicable, that all necessary remedial
actions are taken to prevent recurrences of transfusion reactions and that all
policies and procedures are reviewed to assure they are adequate to ensure the
safety of individuals being transfused.
Interpretive Guidelines §493.1271(e)(2):
Transfusion Related Fatalities must be reported to Federal and State authorities as
specified in 21 CFR §606.170(b) and 42 CFR §493.1103(d).
Examine records of transfusion reaction investigations for completeness, accuracy, and
promptness. Verify that investigations of transfusion reactions are conducted in
accordance with the facility’s established protocols. Records must include each step of
the investigation, including conclusions and any follow-up.
Probes §493.1271(e)(2):
Did the laboratory report Transfusion Related Fatalities to the applicable authorities? Cite
at D3025.
If problems or technical errors are identified during a transfusion reaction investigation,
are corrective actions taken and, as applicable, procedures instituted to prevent a
recurrence?
Did the laboratory assess the adequacy of the procedures implemented? Use D5793.
§493.1271 Standard: Immunohematology.
(f) Documentation. The laboratory must document all control procedures
performed, as specified in this section.
Interpretive Guidelines §493.1271(f)
All non-transfusion related immunohematology QC records must be retained for at least 2
years. Use D3035.
Transfusion-related immunohematology QC records, including but not limited to, donor
processing, compatibility testing, and transfusion reaction investigations, must be
retained for the timeframe stated at 21 CFR §606.160(d).
History
Rev. 233; Issued: 09-12-25; Effective: 09-12-25; Implementation: 09-12-25
Provenance
- Source
- cms.gov
- Retrieved
- 2026-07-22
- Edition
- som-2026-07-22
- Content hash
f3d4091975668efc7e49e703ea2788e252730e45f8cb1014a5ab2c6d4c4a2c8a
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