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The Health Care Financing Administration (HCFA) mandates that only those insurance claims with a three- to five-digit diagnostic ICD code (International Classification of Diseases, Ninth Revision, Clinical Modification) will be considered for reimbursement. Among the rewards for not following the HCFA imperative are denial of payment and duplication of paperwork.
Matching an ICD code to a patient's clinical presentation is often time-consuming and at times inexact. Several specialty-specific publications, courses, and software packages have cropped up recently to ease the coding process. Corley Medical Systems has put out a software program with the purpose of aiding access to ICD codes. It contains all of the neurological diagnostic codes, revised and updated to January 1990. A companion hard-copy publication of the same diagnostic codes has been recently published, and updated, by the American Academy of Neurology. The vendor will be putting out an expanded version soon. That will contain codes applicable
Satya-Murti S. CORMED. JAMA. 1991;266(6):854. doi:10.1001/jama.1991.03470060116048