Complete ICD-10-CM coding and documentation guide for icd-10 coding for autoimmune encephalitis includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Autoimmune Encephalitis
Use ICD-10 code G04.81 for other encephalitis and encephalomyelitis, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Abnormal CSF findings
Use with CSF pleocytosis or elevated IgG index.
Personal history of autoimmune disease
Use if AIE is secondary to a systemic autoimmune disorder.
The ICD-10 code for autoimmune encephalitis is G04.81, which covers other encephalitis and encephalomyelitis.
Document autoimmune encephalitis by noting subacute onset, specific autoantibody findings, and exclusion of infectious causes.