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Recordkeeping Requirements

PT Record Retention Requirements
Laboratory Record	Period of Retention
Proficiency Testing Results (copies of what was submitted to the PT provider)	2 years
Attestation Statement	2 years
Proficiency Testing Evaluations	2 years
All other PT related forms	2 years

Test Record Retention Requirements
Laboratory Record	Period of Retention
Test Requisitions	2 years
Test Records	2 years
Immunohematology	5 years
Test Reports	2 years
Immunohematology	5 years

QC Record Retention Requirements
Laboratory Record	Period of Retention
Discontinued procedures	2 years
Method Performance Specifications	2 years
Equipment Maintenance and Function Checks	2 years
Calibration and Calibration Verification	2 years
Control Procedures (e.g., daily QC records)	2 years
Remedial Action - errors in reported results (both the original and corrected report)	2 years