G93.2 Benign intracranial hypertension

The ICD-10-CM code for Benign intracranial hypertension is G93.2 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

G89-G99: Other disorders of the nervous system (G89-G99)

Category G93

24 codes (20 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G93.2:

• Pseudotumor
• Symond's syndrome
• Pseudohydrocephalus
• Increase, increased › pressure, intracranial
• Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) › benign, intracranial
• Increase, increased › intracranial pressure (benign)
• Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) › intracranial, benign
• Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) › otitic

Inclusion Terms

• Pseudotumor

U.S. Hospital Utilization

• An estimated 34,165 U.S. inpatient stays in 2023 included G93.2 among the documented diagnoses.
• 6,680 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)