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Diagnosis Code

G91.2 (IDIOPATHIC) NORMAL PRESSURE HYDROCEPHALUS


Code Information

Diagnosis Code: G91.2

Short Description: (Idiopathic) normal pressure hydrocephalus

Long Description: (Idiopathic) normal pressure hydrocephalus

The code G91.2 is VALID for claim submission

Code Classification:

  • Diseases of the nervous system (G00–G99)
    • Other disorders of the nervous system (G89-G99)
      • Hydrocephalus (G91)
        • G91.2 (Idiopathic) normal pressure hydrocephalus

Code Version: 2022 ICD-10-CM


Synonyms

  • Dementia associated with normal pressure hydrocephalus
  • Normal pressure hydrocephalus

References to Index of Diseases and Injuries

The code G91.2 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Normal pressure hydrocephalus NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G91.2 Right Arrow 331.5 Norml pressure hydroceph

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
G91 Hydrocephalus
G91.0 Communicating hydrocephalus
G91.1 Obstructive hydrocephalus
G91.3 Post-traumatic hydrocephalus, unspecified
G91.4 Hydrocephalus in diseases classified elsewhere
G91.8 Other hydrocephalus
G91.9 Hydrocephalus, unspecified

This page was last updated on: 10/1/2023

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