AHA Coding Clinic® for ICD-9 - 1998 Fourth Quarter; VOLUMES 1 & 2 NEW/REVISED CODES

Respiratory Failure

Prior to October 1, 1998, code 518.81, Respiratory failure, encompassed acute, chronic, and acute and chronic respiratory failure in a single code. Code 518.81 has been revised to uniquely identify acute respiratory failure and respiratory failure NOS only. New codes have been created to separately classify chronic respiratory failure (518.83), and acute and chronic respiratory failure (518.84). For previous examples on the coding and sequencing of respiratory failure, please refer to the following Coding Clinic citations: First Quarter 1993, page 25 Third Quarter 1991, page 14 Second Quarter 1991, pages 3-4 Fourth Quarter 1990, page...

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