AutoICD API

G04.81

Billable

Other encephalitis and encephalomyelitis

Other encephalitis and encephalomyelitis

Status

Billable / Specific

Block

G00-G09

Parent Code

G04.8

Coding Notes

Related Codes(2)
Also Known As / Clinical Terms(137)

SNOMED CT

Clinical Terms

  • Limbic encephalitis with caspr2 antibodies
  • Limbic encephalitis with N-methyl-D-aspartate receptor antibodies
  • Focal encephalitis
  • Retroviridae encephalitis
  • Rasmussen syndrome, refractory
  • Autonomic disorder due to autoimmune encephalitis
  • Bickerstaff's brainstem encephalitis
  • Dementia due to autoimmune encephalitis
  • Human immunodeficiency virus encephalitis
  • Autonomic disorder due to encephalitis
  • Autoimmune encephalitis caused by N-methyl-D-aspartate receptor antibody
  • Meningoencephalomyelitis
  • Dementia due to Hashimoto encephalopathy
  • Anti-NMDA (N-methyl D-Aspartate) receptor encephalitis
  • HIV 2 infection
  • Allergic encephalitis
  • Meningomyelitis
  • Autoimmune limbic encephalitis
  • Rasmussen syndrome
  • Rasmussen syndrome, intractable
  • Autoimmune spinal cord disorder
  • HIV - Human immunodeficiency virus encephalitis
  • Autoimmune encephalitis
  • Autoimmune acquired autonomic encephalomyelitis
  • Bickerstaff brainstem encephalitis
  • Experimental allergic encephalomyelitis
  • Autoimmune cerebellitis
  • Limbic encephalitis
  • Allergic encephalomyelitis
  • Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids
  • Infectious mononucleosis encephalitis
  • Dementia due to steroid-responsive encephalopathy associated with autoimmune thyroiditis
  • Anti-NMDA receptor encephalitis
  • Autoimmune myelopathy
  • CLIPPERS - chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids
  • Encephalitis caused by human immunodeficiency virus type 2
  • Limbic encephalitis with DPP6 antibodies
  • Encephalitis caused by Retroviridae
  • Limbic encephalitis with DPPX antibodies
  • Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
  • Limbic encephalopathy
  • Disorder of autonomic nervous system due to encephalitis
  • Bickerstaff encephalitis
  • Limbic encephalitis with contactin-associated protein-like 2 antibodies
  • Autoimmune cerebellar inflammation
  • Granulomatous meningoencephalomyelitis
  • Non-herpetic acute limbic encephalitis
  • PALE - post-transplant acute limbic encephalitis
  • Limbic encephalitis with LGI1 antibodies
  • Post-transplant acute limbic encephalitis
  • Brainstem encephalitis
  • Allergic encephalopathy
  • Inflammatory reticulosis
  • Rasmussen encephalitis
  • Limbic encephalitis with DPP6 (dipeptidyl-peptidase 6) antibodies
  • Pyogranulomatous meningoencephalomyelitis
  • Disorder of autonomic nervous system due to autoimmune encephalitis
  • ALE - autoimmune limbic encephalitis
  • Autoimmune disorder of spinal cord
  • Autoimmune inflammation of cerebellum
  • Human immunodeficiency virus type 2 encephalitis
  • Limbic encephalitis with leucine-rich glioma-inactivated 1 antibodies
  • Limbic encephalitis with dipeptidyl-peptidase 6 antibodies
  • Autoimmune encephalitis caused by N-methyl D-aspartate receptor antibody
  • Human immunodeficiency virus II infection
  • Limbic encephalitis with neurexin-3 antibodies
  • Acute limbic encephalitis following transplant
  • Autoimmune encephalopathy
Frequently Asked Questions
What is the ICD-10 code for other encephalitis and encephalomyelitis?

The ICD-10-CM code for other encephalitis and encephalomyelitis is G04.81. The full clinical description is "Other encephalitis and encephalomyelitis". G04.81 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code G04.81 mean?

ICD-10-CM code G04.81 represents “Other encephalitis and encephalomyelitis”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.

Is G04.81 a billable code?

Yes, G04.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G04.81 in?

G04.81 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G04.81?

G04.81 has Excludes1 notes indicating codes that cannot be used together with it, including: encephalopathy NOS (G93.40).

What SNOMED CT codes does G04.81 map to?

G04.81 maps to 37 SNOMED CT concepts: 1300193002, 773275000, 70884002, 50776006, 452281000124106, and 32 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G04.81?

G04.81 is linked to 2 UMLS Concept Unique Identifiers: C2875021, C2875022. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does G04.81 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other encephalitis and encephalomyelitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of G04.81?

There is no direct ICD-11 mapping available for G04.81 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.