Unspecified disorders of nervous system Short description: Cns disorder NOS. ICD-9-CM 349.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 349.9 should only be used for claims with a date of service on or before September 30, 2015. You are viewing the 2012 version of ICD-9-CM 349.9.
V29.1 is a legacy non-billable code used to specify a medical diagnosis of observation for suspected neurological conditions. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
[Alzheimer's disease +] Major neurocognitive disorder due to Alzheimer's disease, Probable, Without behavioral disturbance: 294.10: F02.80: Major neurocognitive disorder due to another medical condition, Without behavioral disturbance [042 +] 294.10 [B20 +] F02.80
An asterisk (*) means that a disease has an underlying cause which can be found elsewhere in the ICD. A code referring to such an underlying cause may be right next to the name, in parenthesis, and marked with a dagger symbol of the Times New Roman font ( † ).
V80.09 is a legacy non-billable code used to specify a medical diagnosis of special screening for other neurological conditions. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
Below is a list of common ICD-10 codes for Neurology. This list of codes offers a great way to become more familiar with your most-used codes, but it's not meant to be comprehensive. If you'd like to build and manage your own custom lists, check out the Code Search!
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In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere.". Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code.
Category G09 is to be used to indicate conditions whose primary classification is to G00 - G08 as the cause of sequelae, themselves classifiable elsewhere. The 'sequelae' include conditions specified as residuals. G08 as the cause of sequelae, themselves classifiable elsewhere.
This is a shortened version of the sixth chapter of the ICD-9: Diseases of the Nervous System and Sense Organs. It covers ICD codes 320 to 389. The full chapter can be found on pages 215 to 258 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1. Both volumes can be downloaded for free from the website of the World Health Organization.
• 320 Bacterial meningitis
• 321* Meningitis due to other organisms
• 322 Meningitis of unspecified cause
• 323 Encephalitis, myelitis and encephalomyelitis
• 330 Cerebral degenerations usually manifest in childhood
• 331 Other cerebral degenerations
• 332 Parkinson's disease
• 333 Other extrapyramidal disease and abnormal movement disorders
• 340 Multiple sclerosis
• 341 Other demyelinating diseases of central nervous system
• 342 Hemiplegia
• 343 Infantile cerebral palsy
• 350 Trigeminal nerve disorders
• 351 Facial nerve disorders
• 352 Disorders of other cranial nerves
• 353 Nerve root and plexus disorders
• 360 Disorders of the globe
• 361 Retinal detachments and defects
• 362 Other retinal disorders
• 363 Chorioretinal inflammations and scars and other disorders of choroid
• 380 Disorders of external ear
• 381 Nonsuppurative otitis media and Eustachian tube disorders
• 382 Suppurative and unspecified otitis media
• 383 Mastoiditis and related conditions