ICD-10-CM Current in FY 2027
G91
Hydrocephalus
- Release
- FY 2027
- Effective
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
More Specific Codes
7 codes under G91
- G91.0 Communicating hydrocephalus Billable
- G91.1 Obstructive hydrocephalus Billable
- G91.2 (Idiopathic) normal pressure hydrocephalus Billable
- G91.3 Post-traumatic hydrocephalus, unspecified Billable
- G91.4 Hydrocephalus in diseases classified elsewhere Billable
- G91.8 Other hydrocephalus Billable
- G91.9 Hydrocephalus, unspecified Billable
Version History
How G91 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentHydrocephalus
-
FY 2026 Effective
UnchangedHydrocephalus
Related Codes
Codes whose official notes reference G91
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.