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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G89-G99
Other disorders of the nervous system
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G90-
Disorders of autonomic nervous system
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2019 ICD-10-CM Diagnosis Code G90.3
Multi-system degeneration of the autonomic nervous system
2016 2017 2018 2019 Billable/Specific Code
- G90.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2019 edition of ICD-10-CM G90.3 became effective on October 1, 2018.
- This is the American ICD-10-CM version of G90.3 - other international versions of ICD-10 G90.3 may differ.
Applicable To- Neurogenic orthostatic hypotension [Shy-Drager]
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 G90.3. 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
G90.3 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
G90.3:
- Multi-system degeneration of autonomic nervous system
- Multiple system atrophy, parkinson's variant
- Multisystem degeneration of autonomic nervous system
- Parkinsonism with orthostatic hypotension
- Parkinsons variant
- Shy drager syndrome
ICD-10-CM G90.3 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
Convert G90.3 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
Code annotations containing back-references to G90.3:
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Type 1 Excludes: I95.1, R03.1, R55, G21
ICD-10-CM Diagnosis Code I95.1
Orthostatic hypotension
2016 2017 2018 2019 Billable/Specific Code
Type 1 Excludes- neurogenic orthostatic hypotension [Shy-Drager] (G90.3)
- orthostatic hypotension due to drugs (I95.2)
ICD-10-CM Diagnosis Code R03.1
Nonspecific low blood-pressure reading
2016 2017 2018 2019 Billable/Specific Code
Type 1 Excludes- hypotension (I95.-)
- maternal hypotension syndrome (O26.5-)
- neurogenic orthostatic hypotension (G90.3)
ICD-10-CM Diagnosis Code R55
Syncope and collapse
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Blackout
- Fainting
- Vasovagal attack
Type 1 Excludes- cardiogenic shock (R57.0)
- carotid sinus syncope (G90.01)
- heat syncope (T67.1)
- neurocirculatory asthenia (F45.8)
- neurogenic orthostatic hypotension (G90.3)
- orthostatic hypotension (I95.1)
- postprocedural shock (T81.1-)
- psychogenic syncope (F48.8)
- shock NOS (R57.9)
- shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
- shock complicating or following labor and delivery (O75.1)
- Stokes-Adams attack (I45.9)
- unconsciousness NOS (R40.2-)
ICD-10-CM Diagnosis Code G21
Secondary parkinsonism
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Type 1 Excludes- dementia with Parkinsonism (G31.83)
- Huntington's disease (G10)
- Shy-Drager syndrome (G90.3)
- syphilitic Parkinsonism (A52.19)
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Type 2 Excludes: G23
ICD-10-CM Diagnosis Code G23
Other degenerative diseases of basal ganglia
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Type 2 Excludes- multi-system degeneration of the autonomic nervous system (G90.3)
- Degeneration, degenerative
- Hypotension (arterial) (constitutional) I95.9
ICD-10-CM Diagnosis Code I95.9
Hypotension, unspecified
2016 2017 2018 2019 Billable/Specific Code
- orthostatic (chronic) I95.1
ICD-10-CM Diagnosis Code I95.1
Orthostatic hypotension
2016 2017 2018 2019 Billable/Specific Code
Type 1 Excludes- neurogenic orthostatic hypotension [Shy-Drager] (G90.3)
- orthostatic hypotension due to drugs (I95.2)
- neurogenic, orthostatic G90.3
- Parkinsonism (idiopathic) (primary) G20
ICD-10-CM Diagnosis Code G20
Parkinson's disease
2016 2017 2018 2019 Billable/Specific Code
Applicable To- Hemiparkinsonism
- Idiopathic Parkinsonism or Parkinson's disease
- Paralysis agitans
- Parkinsonism or Parkinson's disease NOS
- Primary Parkinsonism or Parkinson's disease
Type 1 Excludes- dementia with Parkinsonism (G31.83)
- with neurogenic orthostatic hypotension G90.3 (symptomatic)
- Shy-Drager syndrome G90.3
ICD-10-CM Codes Adjacent To G90.3
G89.28 Other chronic postprocedural pain
G89.3 Neoplasm related pain (acute) (chronic)
G89.4 Chronic pain syndrome
G90 Disorders of autonomic nervous system
G90.0 Idiopathic peripheral autonomic neuropathy
G90.09 Other idiopathic peripheral autonomic neuropathy
G90.1 Familial dysautonomia [Riley-Day]
G90.3
Multi-system degeneration of the autonomic nervous system
G90.4 Autonomic dysreflexia
G90.5 Complex regional pain syndrome I (CRPS I)
G90.50 Complex regional pain syndrome I, unspecified
G90.51 Complex regional pain syndrome I of upper limb
G90.511 Complex regional pain syndrome I of right upper limb
G90.512 Complex regional pain syndrome I of left upper limb
G90.519 Complex regional pain syndrome I of unspecified upper limb
G90.52 Complex regional pain syndrome I of lower limb
G90.521 Complex regional pain syndrome I of right lower limb
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
