Guidebook for Effective Interaction with Federal and State Ahima Library Ahima Form

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overview of ICM layout icd10 cm is published in two sections one alphabetic index or index to diseases and injuries diagnostic terms organized in alphabetic order for the disease descriptions in the tabular list in this curriculum the terms alphabetic index and index to diseases and injuries are used interchangeably two tabular list diagnosis codes organized in sequential order and divided into chapters based on body system or condition medical necessity one of the most important requirements to receive payment for services is to establish medical necessity you must justify care provided by presenting the appropriate facts payers require the following information to determine the need for Care One knowledge of the emergent nature or severity of the patient's complaint or condition two all signs symptoms complaints or background facts describing the reason for care three the facts must be substantiated by the patient's medical record and and that record must be available to payers on re