ICD10BillableValid for clinical use

ICD-10 Code G96.191: Perineural cyst

G96.191 is a billable ICD-10 diagnosis code used to classify Perineural cyst in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

When is it used?

  • May be used when a clinician documents perineural cyst in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
6Diseases of the nervous system (G00-G99)
block
G89-G99Other disorders of the nervous system
category
G96Other disorders of central nervous system
category
G96.1Disorders of meninges, not elsewhere classified
category
G96.19Other disorders of meninges, not elsewhere classified
currentG96.19

Official coding notes

Inclusion terms
  • Cervical nerve root cyst
  • Lumbar nerve root cyst
  • Sacral nerve root cyst
  • Tarlov cyst
  • Thoracic nerve root cyst

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

NeurologistGeneral Physician

Coding guidelines

Common synonyms

Perineural cyst

Frequently asked questions

Code details

CodeG96.191
SystemICD10
Display namePerineural cyst
ChapterDiseases of the nervous system (G00-G99)
BlockOther disorders of the nervous system

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)Cyst(colloid) (mucous) (simple) (retention)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code G96.191 for Perineural cyst | HealthAssure