aboratory Errors & Patient Safety features expert commentaries and responses to case studies and patient safety questions submitted by readers.     Follow these instructions to submit Case Studies, 'Ask the Expert', Questions and Feedback.     Case Studies: Provide a brief description of the case. Address as many of these questions as possible:      a. How was this incident reported?      b. Did an adverse event result from the error?      c. Was the physician contacted about the error/adverse          event?      d. Did the error occur under the laboratory's authority?      e. Which lab functions were responsible for the error?      f. Was the error preventable?      g. Was the error cognitive, or non-cognitive?      Remove all PHI (Protected Health Information) from your case description. Cases are reviewed by editorial staff and may be altered to ensure anonymity or to enhance instructional value.     Contact Name (not required)   E-mail Address (not required)     Ask the Expert: Submit a detailed question. Remember to remove any PHI (Protected Health Information).     Contact Name (not required)   E-mail Address (not required)     Questions and Feedback: We welcome your comments, criticism, and suggestions. Please use the form to the right, and include your phone number and email if you would like to be contacted.     Contact Name (not required)   E-mail Address (not required)