331.5 - Idiopathic Normal Pressure Hydrocephalus (INPH)
The ICD 9 Code for Idiopathic normal pressure hydrocephalus (INPH) is listed as 331.5.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
| ICD 9 CM Field | Value |
|---|---|
| Diagnosis Code: | 331.5 |
| Long Description: | Idiopathic normal pressure hydrocephalus (INPH) |
| Short Description: | Norml pressure hydroceph |
| Chapter: | Diseases Of The Nervous System And Sense Organs |
| Block: | Hereditary And Degenerative Diseases Of The Central Nervous System (330-337) |
| Related Descriptions: |
Normal pressure hydrocephalus
|
| ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS): | |
| ICD-10-CM Code: | G91.2 - (Idiopathic) normal pressure hydrocephalus |
| ICD-9-CM Siblings (same level / similar specificity) of 331.5: | |
| 331.0 - Alzheimer's disease | |
| 331.2 - Senile degeneration of brain | |
| 331.3 - Communicating hydrocephalus | |
| 331.4 - Obstructive hydrocephalus | |
| 331.6 - Corticobasal degeneration | |
| 331.7 - Cerebral degeneration in diseases classified elsewhere | |
| 331.9 - Cerebral degeneration, unspecified | |