G93.40
BillableEncephalopathy, unspecified
Encephalopathy, unspecified
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •alcoholic encephalopathyG31.2
- •encephalopathy in diseases classified elsewhereG94
- •hypertensive encephalopathyI67.4
- •toxic (metabolic) encephalopathyG92.8
Related Codes(6)
G93.41Metabolic encephalopathy
G93.42Megalencephalic leukoencephalopathy with subcortical cysts
G93.43Leukoencephalopathy with calcifications and cysts
G93.44Adult-onset leukodystrophy with axonal spheroids
G93.45Developmental and epileptic encephalopathy
G93.49Other encephalopathy
Also Known As / Clinical Terms(85)
SNOMED CT
- Axonal neuropathy60703000
- Ischaemic encephalopathy389100007
- Ischemic encephalopathy389100007
- Encephalopathy with AIDS (acquired immunodeficiency syndrome)421827003
- Encephalopathy with acquired immunodeficiency syndrome421827003
- Progressive encephalopathy with severe infantile anorexia715794009
- RAVINE syndrome715794009
- Renal tubulopathy with encephalopathy and liver failure syndrome717053007
- Combined prosaposin deficiency720864008
- Combined saposin deficiency720864008
- Encephalopathy due to prosaposin deficiency720864008
- Epileptic encephalopathy with global cerebral demyelination726702005
- Mitochondrial aspartate-glutamate carrier 1 deficiency726702005
- Bonnemann Meinecke Reich syndrome733049004
- Encephalopathy, intracerebral calcification, retinal degeneration syndrome733049004
- Encephalopathy due to and following cardiopulmonary bypass733198005
- Post-pump encephalopathy733198005
- SCN8A developmental and epileptic encephalopathy765170001
- SCN8A-DEE - SCN8A - developmental and epileptic encephalopathy765170001
- SCN8A-DEE - sodium voltage-gated channel alpha subunit 8 developmental and epileptic encephalopathy765170001
- Sodium voltage-gated channel alpha subunit 8 developmental and epileptic encephalopathy765170001
- Myoclonic epilepsy in non-progressive encephalopathy778047006
- CNTNAP2 developmental and epileptic encephalopathy1230376005
- CNTNAP2-DEE - CNTNAP2 developmental and epileptic encephalopathy1230376005
- CNTNAP2-related developmental and epileptic encephalopathy1230376005
- Contactin associated protein 2-related developmental and epileptic encephalopathy1230376005
- Cortical dysplasia, focal epilepsy syndrome1230376005
- Congenital axonal neuropathy with encephalopathy1237626001
- Encephalopathy due to COVID-191240561000000108
- Encephalopathy due to disease caused by 2019 novel coronavirus1240561000000108
- Encephalopathy due to disease caused by 2019-nCoV1240561000000108
- Encephalopathy due to disease caused by SARS-CoV-21240561000000108
- Encephalopathy due to disease caused by severe acute respiratory syndrome coronavirus 21240561000000108
- Static encephalopathy47311000119103
UMLS
Clinical Terms
- Encephalopathy due to disease caused by SARS-CoV-2
- Axonal neuropathy
- Combined prosaposin deficiency
- Ischaemic encephalopathy
- encephalopathies
- SCN8A-DEE - SCN8A - developmental and epileptic encephalopathy
- RAVINE syndrome
- Encephalopathy due to disease caused by 2019 novel coronavirus
- Cortical dysplasia, focal epilepsy syndrome
- CNTNAP2-DEE - CNTNAP2 developmental and epileptic encephalopathy
- Sodium voltage-gated channel alpha subunit 8 developmental and epileptic encephalopathy
- Post-pump encephalopathy
- Encephalopathy due to and following cardiopulmonary bypass
- Congenital axonal neuropathy with encephalopathy
- Epileptic encephalopathy with global cerebral demyelination
- Encephalopathy with acquired immunodeficiency syndrome
- encephalopathy unspecified
- Encephalopathy with AIDS (acquired immunodeficiency syndrome)
- Encephalopathy, intracerebral calcification, retinal degeneration syndrome
- encephalopathy nos
- Encephalopathy due to disease caused by severe acute respiratory syndrome coronavirus 2
- Progressive encephalopathy with severe infantile anorexia
- CNTNAP2-related developmental and epileptic encephalopathy
- Contactin associated protein 2-related developmental and epileptic encephalopathy
- Encephalopathy due to prosaposin deficiency
- Combined saposin deficiency
- SCN8A-DEE - sodium voltage-gated channel alpha subunit 8 developmental and epileptic encephalopathy
- Encephalopathy due to COVID-19
- Static encephalopathy
- brain syndrome
- brain syndromes
- unspecified brain disease
- CNTNAP2 developmental and epileptic encephalopathy
- Bonnemann Meinecke Reich syndrome
- Encephalopathy due to disease caused by 2019-nCoV
- Renal tubulopathy with encephalopathy and liver failure syndrome
- SCN8A developmental and epileptic encephalopathy
- Myoclonic epilepsy in non-progressive encephalopathy
- Ischemic encephalopathy
- Mitochondrial aspartate-glutamate carrier 1 deficiency
Frequently Asked Questions
What is the ICD-10 code for encephalopathy, unspecified?
The ICD-10-CM code for encephalopathy, unspecified is G93.40. The full clinical description is "Encephalopathy, unspecified". G93.40 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G93.40 mean?
ICD-10-CM code G93.40 represents “Encephalopathy, unspecified”. 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 G93.40 a billable code?
Yes, G93.40 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G93.40 in?
G93.40 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What SNOMED CT codes does G93.40 map to?
G93.40 maps to 15 SNOMED CT concepts: 60703000, 733049004, 1230376005, 720864008, 1237626001, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G93.40?
G93.40 is linked to 1 UMLS Concept Unique Identifier: C0085584. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G93.40 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like encephalopathy, unspecified 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 G93.40?
There is no direct ICD-11 mapping available for G93.40 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.