G91.4 - Hydrocephalus in diseases classified elsewhere
- Applicable to Hydrocephalus in diseases classified elsewhere
- The 2025 edition of ICD10-CM G91.4 became effective on October 1, 2024.
- This is the American ICD10-CM version of G91.4 - other international versions of ICD10 G91.4 may differ.
- G91.4 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Type 1 Excludes
- hydrocephalus due to congenital toxoplasmosis (P37.1)
codefirst
- underlying condition, such as:
- congenital syphilis (A50.4-)
- neoplasm (C00-D49)
- plasminogen deficiency (E88.02)
The following codes above G91.4 contain annotation back-references that may be applicable to G91.4:
Chapter: G00-G99 Diseases of the nervous system
Section: G89-G99 Other disorders of the nervous system
Category: G91 Hydrocephalus
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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