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ICD-10-CM Codes
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2023 ICD-10-CM Diagnosis Code G32.81
2023 ICD-10-CM Diagnosis Code G32.81
Cerebellar ataxia in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code
- G32.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM G32.81 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G32.81 - other international versions of ICD-10 G32.81 may differ.
ICD-10-CM Coding Rules
- G32.81 describes the manifestation of an underlying disease, not the disease itself.
Code FirstCode First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as G32.81. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
G32.81 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
G32.81:
- Cerebellar ataxia associated with another disorder
- Secondary cerebellar ataxia
ICD-10-CM G32.81 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 058 Multiple sclerosis and cerebellar ataxia with mcc
- 059 Multiple sclerosis and cerebellar ataxia with cc
- 060 Multiple sclerosis and cerebellar ataxia without cc/mcc
Convert G32.81 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
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to G32.81:
- Ataxia, ataxy, ataxic R27.0
ICD-10-CM Diagnosis Code R27.0
Ataxia, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Type 1 Excludes- ataxia following cerebrovascular disease (I69. with final characters -93)
- cerebellar (hereditary) G11.9
ICD-10-CM Diagnosis Code G11.9
Hereditary ataxia, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Hereditary cerebellar ataxia NOS
- Hereditary cerebellar degeneration
- Hereditary cerebellar disease
- Hereditary cerebellar syndrome
- in
- specified disease NEC G32.81
ICD-10-CM Codes Adjacent To G32.81
G31.83 Neurocognitive disorder with Lewy bodies
G31.84 Mild cognitive impairment of uncertain or unknown etiology
G31.85 Corticobasal degeneration
G31.89 Other specified degenerative diseases of nervous system
G31.9 Degenerative disease of nervous system, unspecified
G32 Other degenerative disorders of nervous system in diseases classified elsewhere
G32.0 Subacute combined degeneration of spinal cord in diseases classified elsewhere
G32.8 Other specified degenerative disorders of nervous system in diseases classified elsewhere
G32.81
Cerebellar ataxia in diseases classified elsewhere
G32.89 Other specified degenerative disorders of nervous system in diseases classified elsewhere
G36 Other acute disseminated demyelination
G36.0 Neuromyelitis optica [Devic]
G36.1 Acute and subacute hemorrhagic leukoencephalitis [Hurst]
G36.8 Other specified acute disseminated demyelination
G36.9 Acute disseminated demyelination, unspecified
G37 Other demyelinating diseases of central nervous system
G37.0 Diffuse sclerosis of central nervous system
G37.1 Central demyelination of corpus callosum
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
