Cyclical Vomiting Syndrome

Code R11.15, Cyclical vomiting syndrome unrelated to migraine, has been created to specifically identify those cases in which a patient has cyclical vomiting that is totally unrelated to a migraine. Cyclical vomiting syndrome is described as episodes of severe vomiting that have no noticeable cause. Episodes can last for days or hours and alternate with symptom-free periods. Each episode tends to start at the same time of day, last the same length of time and occur with the same symptoms and level of intensity. Treatment usually involves medications, including anti-nausea and migraine therapies that may lessen symptoms. Previously...

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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 article covers an ICD-10-CM coding update for cyclical vomiting syndrome, including how the diagnosis is classified and how related migraine terminology was revised. It is intended for coders, CDI professionals, and other revenue cycle staff who need to understand the scope of the diagnosis in current coding references and related terminology changes.

Why This Topic Matters

Accurate classification of cyclical vomiting syndrome affects diagnosis reporting and helps distinguish cases that are associated with migraine from those that are not. The article also highlights terminology changes that can affect code lookup and documentation review.

What You Will Learn

  • How cyclical vomiting syndrome is discussed in ICD-10-CM references
  • How the article frames the relationship between cyclical vomiting and migraine
  • What terminology changes were made to related diagnosis coding references
  • How the article situates the update within broader vomiting and migraine classification topics

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation integrity specialists
  • Revenue cycle staff
  • Practice managers

Codes Discussed

  • ICD-10-CM: R11.15
  • ICD-10-CM: G43
  • ICD-10-CM: G43.A
  • ICD-10-CM: G43.A0
  • ICD-10-CM: G43.A1

Code Ranges Discussed

  • ICD-10-CM: G43.A

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