OTHER DISORDERS OF THE CENTRAL NERVOUS SYSTEM (ICD 9 CODES: 340-349)
Disseminated or multiple sclerosis:
NOS
brain stem
cord
generalized
Balo's concentric sclerosis
Encephalitis periaxialis:
concentrica [Balo's]
diffusa [Schilder's]
Excludes: acute (transverse) myelitis (in) (due to):
following immunization procedures (323.52)
infection classified elsewhere (323.42)
postinfectious (323.63)
protozoal diseases classified elsewhere (323.2)
rickettsial diseases classified elsewhere (323.1)
toxic (323.72)
viral diseases classified elsewhere (323.02)
transverse myelitis NOS (323.82)
Code firstunderlying condition
Central demyelination of corpus callosum
Central pontine myelinosis
Marchiafava (-Bignami) disease
Note: This category is to be used when hemiplegia (complete) (incomplete) is reported without further specification, or is stated to be old or long-standing but of unspecified cause. The category is also for use in multiple coding to identify these types of hemiplegia resulting from any cause.
Excludes: congenital (343.1)
hemiplegia due to late effect of cerebrovascular accident (438.20-438.22)
infantile NOS (343.4)
The following fifth-digits are for use with codes 342.0-342.9
0 affecting unspecified side
1 affecting dominant side
2 affecting nondominant side
[0-2]
[0-2]
[0-2]
[0-2]
Includes: cerebral:
palsy NOS
spastic infantile paralysis
congenital spastic paralysis (cerebral)
Little's disease
paralysis (spastic) due to birth injury:
intracranial
spinal
Excludes: athetoid cerebral palsy (333.71)
hereditary cerebral paralysis, such as:
hereditary spastic paraplegia (334.1)
Vogt's disease (333.71)
spastic paralysis specified as noncongenital or noninfantile (344.0-344.9)
Congenital diplegia
Congenital paraplegia
Congenital hemiplegia
Excludes: infantile hemiplegia NOS (343.4)
Tetraplegic
Infantile hemiplegia (postnatal) NOS
Cerebral palsy NOS
Note: This category is to be used when the listed conditions are reported without further specification or are stated to be old or long-standing but of unspecified cause. The category is also for use in multiple coding to identify these conditions resulting from any cause.
Includes: paralysis (complete) (incomplete), except as classifiable to 342 and 343
Excludes: congenital or infantile cerebral palsy (343.0-343.9)
hemiplegia (342.0-342.9)
congenital or infantile (343.1, 343.4)
Paralysis of both lower limbs
Paraplegia (lower)
Diplegia (upper)
Paralysis of both upper limbs
Paralysis of lower limb
Excludes: monoplegia of lower limb due to late effect of cerebrovascular accident (438.40-438.42)
Paralysis of upper limb
Excludes: monoplegia of upper limb due to late effect of cerebrovascular accident (438.30-438.32)
Acontractile bladder
Autonomic hyperreflexia of bladder
Cord bladder
Detrusor hyperreflexia
The following fifth-digit subclassification is for use with categories 345.0, .1, .4-.9:
0 without mention of intractable epilepsy
1 with intractable epilepsy
pharmacoresistant (pharmacologically resistant)
poorly controlled
treatment resistant
refractory (medically)
Excludes: hippocampal sclerosis (348.81)
mesial temporal sclerosis (348.81)
temporal sclerosis (348.81)
[0-1]
Absences:
atonic
typical
Minor epilepsy
Petit mal
Pykno-epilepsy
Seizures:
akinetic
atonic
[0-1]
Epileptic seizures:
clonic
myoclonic
tonic
tonic-clonic
Grand mal
Major epilepsy
Progressive myoclonic epilepsy
Unverricht-Lundborg disease
Excludes: convulsions:
NOS (780.39)
infantile (780.39)
newborn (779.0)
infantile spasms (345.6)
Epileptic absence status
Status epilepticus NOS
Excludes: epilepsia partialis continua (345.7) status:
psychomotor (345.7)
temporal lobe (345.7)
345.4 Localization-related (focal) (partial) epilepsy and epileptic syndromes with complex partial seizures
[0-1]
Epilepsy:
limbic system
partial:
secondarily generalized
with impairment of consciousness
with memory and ideational disturbances
psychomotor
psychosensory
temporal lobe
Epileptic automatism
345.5 Localization-related (focal) (partial) epilepsy and epileptic syndromes with simple partial seizures
[0-1]
Epilepsy:
Bravais-Jacksonian NOS
focal (motor) NOS
Jacksonian NOS
motor partial
partial NOS
without mention of impairment of consciousness
sensory-induced
somatomotor
somatosensory
visceral
visual
[0-1]
Hypsarrhythmia
Lightning spasms
Salaam attacks
Excludes: salaam tic (781.0)
[0-1]
Kojevnikov's epilepsy
[0-1]
Epilepsy:
cursive [running]
gelastic
Recurrent seizures NOS
[0-1]
Epileptic convulsions, fits, or seizures NOS
Seizure disorder NOS
Excludes: convulsion (convulsive) disorder (780.39)
convulsive seizure or fit NOS (780.39)
recurrent convulsions (780.39)
Excludes: headache:
NOS (784.0)
syndromes (339.00-339.89)
The following fifth-digit subclassification is for use with category 346:
0 without mention of intractable migraine without mention of status migrainosus
without mention of refractory migraine without mention of status migrainosus
1 with intractable migraine, so stated, without mention of status migrainosus
with refractory migraine, so stated, without mention of status migrainosus
2 without mention of intractable migraine with status migrainosus
without mention of refractory migraine with status migrainosus
3 with intractable migraine, so stated, with status migrainosus
with refractory migraine, so stated, with status migrainosus
[0-3]
Basilar migraine
Classic migraine
Migraine preceded or accompanied by transient focal neurological phenomena
Migraine triggered seizures
Migraine with acute-onset aura
Migraine with aura without headache (migraine equivalents)
Migraine with prolonged aura
Migraine with typical aura
Retinal migraine
Excludes: persistent migraine aura (346.5, 346.6)
[0-3]
Common migraine
[0-3]
Abdominal migraine
Cyclical vomiting associated with migraine
Ophthalmoplegic migraine
Periodic headache syndromes in child or adolescent
Excludes: cyclical vomiting NOS (536.2)
psychogenic cyclical vomiting (306.4)
[0-3]
Familial migraine
Sporadic migraine
[0-3]
Menstrual headache
Menstrually related migraine
Premenstrual headache
Premenstrual migraine
Pure menstrual migraine
[0-3]
Persistent migraine aura NOS
[0-3]
[0-3]
Transformed migraine without aura
[0-3]
[0-3]
Narcolepsy NOS
Code first underlying condition
Arachnoid cyst
Porencephalic cyst
Porencephaly, acquired
Pseudoporencephaly
Excludes: that occurring in:
abortion (634-638 with.7, 639.8)
ectopic or molar pregnancy (639.8)
labor or delivery (668.2, 669.4)
that of newborn (767.0, 768.0-768.9, 772.1-772.2)
Use additional E code to identify cause
Pseudotumor cerebri
Excludes: hypertensive encephalopathy (437.2)
Septic encephalopathy
Excludes: toxic metabolic encephalopathy (349.82)
Excludes: encephalopathy:
alcoholic (291.2)
hepatic (572.2)
hypertensive (437.2)
toxic (349.82)
Compression brain (stem)
Herniation brain (stem)
Posterior fossa compression syndrome
Hippocampal sclerosis
Mesial temporal sclerosis
Cerebral:
calcification
fungus
Excludes: brain death (348.82)
Headache following lumbar puncture
Excludes: immediate postoperative complications (997.00-997.09)
mechanical complications of nervous system device (996.2)
Adhesions, meningeal (cerebral) (spinal)
Cyst, spinal meninges
Meningocele, acquired
Pseudomeningocele, acquired
Incidental (inadvertent) durotomy
Excludes: cerebrospinal fluid otorrhea (388.61)
Toxic metabolic encephalopathy
Use additional E code to identify cause
Disorder of nervous system (central) NOS
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