Home > 2013 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > Encephalitis myelitis and encephalomyelitis 323-
2013 ICD-9-CM Diagnosis Code 323.81
Other causes of encephalitis and encephalomyelitis
- ICD-9-CM 323.81 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
323.81 Alternative Terminology
- Allergic encephalitis
- Allergic encephalomyelitis
- Autoimmune encephalitis
- Bickerstaff's brainstem encephalitis
- Eosinophilic meningoencephalitis
- Eosinophilic meningoencephalitis due to angiostrongylus cantonensis
- Experimental allergic encephalomyelitis
- Inflammation of brain and spinal cord due to toxic substance
- Jamestown canyon virus encephalitis
- Paraneoplastic encephalitis
- Paraneoplastic encephalomyelitis
- Paraneoplastic limbic encephalitis
- Pyogranulomatous meningoencephalomyelitis
- Systemic lupus erythematosus encephalitis
Applies To
- Noninfectious acute disseminated encephalomyelitis (ADEM)
Convert 323.81 to ICD-10-CM 
ICD-9-CM 323.81 converts approximately to:
- 2013 ICD-10-CM G04.81 Other encephalitis and encephalomyelitis
ICD-9-CM Volume 2 Index entries containing back-references to 323.81:
- ADEM (acute disseminated encephalomyelitis) (postinfectious) 136.9
[323.61]
noninfectious 323.81
- Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
lupus 710.0 [323.81]
- posttraumatic 323.81
- Rasmussen 323.81
- specified cause NEC 323.81
- Encephalomyelitis (chronic) (granulomatous) (myalgic, benign) (see also Encephalitis) 323.9
- specified cause NEC 323.81
- Lupus 710.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 323.81 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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