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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G00-G09
Inflammatory diseases of the central nervous system
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G04-
Encephalitis, myelitis and encephalomyelitis
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2020 ICD-10-CM Diagnosis Code G04.2
2020 ICD-10-CM Diagnosis Code G04.2
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
2016 2017 2018 2019 2020 Billable/Specific Code
- G04.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Bacterial meningoencephalitis and meningomyelitis, NEC
- The 2020 edition of ICD-10-CM G04.2 became effective on October 1, 2019.
- This is the American ICD-10-CM version of G04.2 - other international versions of ICD-10 G04.2 may differ.
The following code(s) above
G04.2 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
G04.2:
- Bacterial meningoencephalitis
- Bacterial meningomyelitis
ICD-10-CM G04.2 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 023 Craniotomy with major device implant or acute complex cns pdx with mcc or chemotherapy implant or epilepsy with neurostimulator
- 024 Craniotomy with major device implant or acute complex cns pdx without mcc
- 094 Bacterial and tuberculous infections of nervous system with mcc
- 095 Bacterial and tuberculous infections of nervous system with cc
- 096 Bacterial and tuberculous infections of nervous system without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Convert G04.2 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
Code annotations containing back-references to G04.2:
ICD-10-CM Codes Adjacent To G04.2
G03.2 Benign recurrent meningitis [Mollaret]
G03.8 Meningitis due to other specified causes
G03.9 Meningitis, unspecified
G04 Encephalitis, myelitis and encephalomyelitis
G04.0 Acute disseminated encephalitis and encephalomyelitis (ADEM)
G04.00 Acute disseminated encephalitis and encephalomyelitis, unspecified
G04.01 Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
G04.02 Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
G04.1 Tropical spastic paraplegia
G04.2
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
G04.3 Acute necrotizing hemorrhagic encephalopathy
G04.31 Postinfectious acute necrotizing hemorrhagic encephalopathy
G04.32 Postimmunization acute necrotizing hemorrhagic encephalopathy
G04.39 Other acute necrotizing hemorrhagic encephalopathy
G04.8 Other encephalitis, myelitis and encephalomyelitis
G04.81 Other encephalitis and encephalomyelitis
G04.9 Encephalitis, myelitis and encephalomyelitis, unspecified
G04.90 Encephalitis and encephalomyelitis, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
