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

G91.1 – Obstructive hydrocephalus

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

GEM Conversion to ICD-9 CM

Fs: 10000 – Obstructive hydrocephalus

MDC / MS-DRG Reference

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

Back Reference of Diagnostic Codes

Block, blocked
foramen Magendie (acquired) G91.1
Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) G91.9
foramen Magendie block (acquired) G91.1
noncommunicating G91.1
obstructive G91.1
Obstruction, obstructed, obstructive
aqueduct of Sylvius G91.1
Occlusion, occluded
aqueduct of Sylvius G91.1
ventricle NEC (brain) G91.1
Stenosis, stenotic (cicatricial) See also Stricture
aqueduct of Sylvius (congenital) Q03.0
acquired G91.1
Stricture See also Stenosis
aqueduct of Sylvius (congenital) Q03.0
acquired G91.1

Sibling Codes

Communicating hydrocephalus
(Idiopathic) normal pressure 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
G91.1 Obstructive hydrocephalus