AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Quarter 4; New/Revised ICD-10-CM Codes
Perineural Cyst
Code G96.19 , Other disorders of meninges, not elsewhere classified, has been expanded and two new codes have been created: G96.191 Perineural cyst G96.198 Other disorders of meninges, not elsewhere classified The codes will allow the unique identification of perineural cysts, also called Tarlov cysts. Perineural cysts are cerebrospinal fluid-filled sacs that affect nerve roots of the cervical, thoracic, lumbar and sacral spine, but are more common near the sacral region. The cysts can compress adjacent nerve roots or nerves contained within the cyst and cause a variety of symptoms depending on the cyst size and location...
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Article Overview
This article covers an ICD-10-CM coding update related to perineural cysts, along with a general overview of the condition, its common clinical presentation, and how it may be identified on imaging. It is relevant to coders, billers, and clinicians who need to understand the terminology, affected anatomical regions, and the broader context for the new diagnosis-specific code category.
Why This Topic Matters
The update affects how this condition is represented in diagnosis coding and helps support more specific documentation and data capture for a neurologic/spinal finding.
What You Will Learn
- How the article situates perineural cysts within a diagnosis coding update
- What broad clinical features and symptom patterns are associated with the condition
- How the condition is generally identified in imaging-based evaluation
- Which patient and anatomic factors are discussed at a high level
Who Should Read This
- Medical coders
- Medical billers
- Clinical documentation specialists
- Clinicians
- Health information management professionals
Codes Discussed
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