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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

G91.2 – (Idiopathic) normal pressure hydrocephalus

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Applicable To

Normal pressure hydrocephalus NOS

GEM Conversion to ICD-9 CM

Fs: 00000 – Idiopathic normal pressure hydrocephalus (INPH)

MDC / MS-DRG Reference

DEGENERATIVE NERVOUS SYSTEM DISORDERS WITH MCC
DEGENERATIVE NERVOUS SYSTEM DISORDERS WITHOUT MCC

Back Reference of Diagnostic Codes

Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) G91.9
normal pressure G91.2

Sibling Codes

Communicating hydrocephalus
Obstructive hydrocephalus
Post-traumatic hydrocephalus, unspecified
Hydrocephalus in diseases classified elsewhere
Other hydrocephalus
Hydrocephalus, unspecified

Parent Sibling Codes

Disorders of autonomic nervous system
Hydrocephalus
Toxic encephalopathy
Other disorders of brain
Other disorders of brain in diseases classified elsewhere
Other and unspecified diseases of spinal cord
Other disorders of central nervous system
Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified
Other disorders of nervous system not elsewhere classified
Other disorders of nervous system in diseases classified elsewhere

View in Tabular

Code Title
G00-G99 Diseases of the nervous system (G00-G99)
G89-G99 Other disorders of the nervous system (G89-G99)
G91 Hydrocephalus
G91.2 (Idiopathic) normal pressure hydrocephalus
Applicable to
Normal pressure hydrocephalus NOS