Household data are collected as of March. As stated in the Census's Source and Accuracy of Estimates for Income, Poverty, and Health Insurance Coverage in the United States: 2011 (http://www.census.gov/hhes/www/p60_243sa.pdf) Estimation of Median Incomes. The Census Bureau has changed the methodology for computing median income over time.
Documentation specificity under the ICD-10-CM system for coronary artery disease (CAD) with and without angina is crucial for accurate classification of these disease processes. Combination codes including CAD with and without angina will exist under the new coding system.
P. Diagnostic Codes. ICD-9-CM is the International Classification of Diseases Codes, 9th Revision, Clinical Modification. Developed and maintained by the World Health Organization, ICD-9-CM codes are used to describe illnesses, injuries and accidents for the purpose of medical research and reporting. The ICD-9-CM system numerically classifies medical diagnosis by a code number, which provides need to use when processing claims.