Respiratory System Symptoms

Prior to October 1, 1998, code 786.09, Symptoms involving respiratory system and other chest symptoms, other, included several very diverse respiratory symptoms. Some of these symptoms were very general, and others very severe. Specific codes have been created for several of the more significant symptoms previously included under 786.09. Apnea refers to absence or cessation of breathing. Some possible causes include airway obstruction, damage or disruption to the respiratory center of the brain (lateral medulla oblongata). Apnea is now classified to code 786.03, Apnea. Cheyne-Stokes respiration refers to breathing characterized by rhythmic waxing and waning of...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This coding update article reviews respiratory system symptom reporting and the move of several common symptom presentations into more specific diagnosis categories. It is relevant to coders and billing staff working with ICD-9-CM respiratory symptom documentation, especially when distinguishing among symptom-based reports and noting related exclusions or prior guidance superseded by the update.

Why This Topic Matters

Accurate symptom coding depends on recognizing when a general respiratory symptom category has been replaced by more specific options. This article helps readers understand the scope of the respiratory symptom update and the kinds of documentation issues it addresses.

What You Will Learn

  • How a broader respiratory symptom category was narrowed into more specific diagnosis categories
  • Which common respiratory symptom presentations are discussed in the update
  • How related historical coding guidance is referenced in the article
  • What general types of exclusion notes and cross-references are mentioned for respiratory symptom reporting

Who Should Read This

  • Medical coders
  • Coding auditors
  • Billing staff
  • Clinical documentation teams
  • Revenue cycle professionals

Codes Discussed

  • ICD-9-CM: 786.09
  • ICD-9-CM: 786.03
  • ICD-9-CM: 786.04
  • ICD-9-CM: 786.05
  • ICD-9-CM: 786.06
  • ICD-9-CM: 786.07

Code Ranges Discussed

  • ICD-9-CM: 493.00-493.91

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