AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 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. Symptoms...

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