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341.9 CNS DEMYELINATION NOS


Code Information

Diagnosis Code: 341.9

Short Description: Cns demyelination NOS

Long Description: Demyelinating disease of central nervous system, unspecified

Code Classification:

  • Diseases of the nervous system (320–359)
    • Other disorders of the central nervous system (340-349)
      • 341 Other demyelinating diseases of central nervous system
        • 341.9 Cns demyelination NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 341.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Degeneration, degenerative
    • myelin, central nervous system NEC 341.9
  • Demyelination, demyelinization
    • central nervous system 341.9
      • specified NEC 341.8
  • Disease, diseased - see also Syndrome
    • demyelinating, demyelinizating (brain stem) (central nervous system) 341.9
      • multiple sclerosis 340
      • specified NEC 341.8
  • Syndrome - see also Disease
    • demyelinating NEC 341.9

Crosswalk Information

The code 341.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
341.9 Right Arrow G37.9 Demyelinating disease of central nervous system, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
341.0 Neuromyelitis optica
341.1 Schilder's disease
341.20 Acute (transverse) myelitis NOS
341.21 Acute (transverse) myelitis in conditions classified elsewhere
341.22 Idiopathic transverse myelitis
341.8 Other demyelinating diseases of central nervous system

This page was last updated on: 10/1/2014

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