Summary:
Summary Statement of Deficiencies D5217 EVALUATION OF PROFICIENCY TESTING PERFORMANCE CFR(s): 493.1236(c)(1) At least twice annually, the laboratory must verify the accuracy of any test or procedure it performs that is not included in subpart I of this part. This STANDARD is not met as evidenced by: Based on a review of the twice annual verification records and an interview with the Moh's processor, the laboratory failed to verify the accuracy of the skin biopsies slides at least twice annually. Findings Include: On October 8, 2019, at approximately 12:15 PM the laboratory director confirmed that the laboratory failed to perform twice annual verification for skin biopsy slide interpretation from October 2017 through the date of this survey. Approximately 860 patient slides were read and results reported for skin biopsies. D5403 PROCEDURE MANUAL CFR(s): 493.1251(b) The procedure manual must include the following when applicable to the test procedure: (1) Requirements for patient preparation; specimen collection, labeling, storage, preservation, transportation, processing, and referral; and criteria for specimen acceptability and rejection as described in 493.1242. (2) Microscopic examination, including the detection of inadequately prepared slides. (3) Step-by-step performance of the procedure, including test calculations and interpretation of results. (4) Preparation of slides, solutions, calibrators, controls, reagents, stains, and other materials used in testing. (5) Calibration and calibration verification procedures. (6) The reportable range for test results for the test system as established or verified in 493.1253. (7) Control procedures. (8)