International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) guidelines for reporting of uncertain diagnoses in conjunction with physician services mirror those of International Classification of Diseases, Ninth Revision, Clinical Modification. Physicians should not report an uncertain diagnosis but should instead report the condition to the highest degree of certainty for that encounter or visit. This may require reporting of signs, symptoms, abnormal test results, or other reasons for encounters.

In late June 2013, the National Center for Health Statistics (NCHS) posted files containing the revised ICD-10-CM for 2014. The revisions to the code set have been made to correct errors and provide clarification for proper coding. Many changes are editorial, having little effect on code selection. Other changes remove codes for conditions that are clinically improbable, remove typographic errors, or revise coding instructions. Tables 1 through 5 include deleted codes and other changes that may be of interest to...

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