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v1.0.0
ICD-10 Guide
ICD-10 CodesG11.19

G11.19

Billable

Other early-onset cerebellar ataxia

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 G11.19 is a billable code used to indicate a diagnosis of other early-onset cerebellar ataxia.

Key Diagnostic Point:

G11.19 refers to a category of hereditary and degenerative conditions characterized by early-onset cerebellar ataxia, which is a disorder that affects coordination and balance due to dysfunction of the cerebellum. This code encompasses various genetic and non-genetic conditions that manifest in childhood or early adulthood, leading to progressive motor impairment. Conditions such as spinocerebellar ataxias (SCAs), which are a group of inherited disorders, fall under this category. These ataxias can be caused by mutations in specific genes, leading to neuronal degeneration. Other hereditary conditions, such as Friedreich's ataxia, may also present with similar symptoms but are classified under different codes. The clinical presentation often includes gait instability, dysarthria, and oculomotor dysfunction. Diagnosis typically involves a combination of clinical evaluation, family history assessment, and genetic testing. The complexity of G11.19 arises from the need to differentiate it from other ataxias and motor neuron diseases, as well as the requirement for thorough documentation to support the diagnosis.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variety of hereditary conditions that can present similarly
  • Need for genetic testing and family history documentation
  • Differentiation from other types of ataxia and motor neuron diseases
  • Potential for overlapping symptoms with other neurological disorders

Audit Risk Factors

  • Inadequate documentation of genetic testing results
  • Failure to document family history of ataxia
  • Misclassification of ataxia type
  • Lack of detailed clinical notes on symptom progression

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Comprehensive neurological examination findings, family history, and results from genetic testing.

Common Clinical Scenarios

Patients presenting with gait disturbances, coordination issues, and family history of ataxia.

Billing Considerations

Neurologists should ensure that all relevant diagnostic tests are documented to support the diagnosis.

Genetics

Documentation Requirements

Detailed genetic testing results, family pedigree charts, and clinical assessments.

Common Clinical Scenarios

Patients referred for genetic counseling due to family history of ataxia or related disorders.

Billing Considerations

Geneticists must provide clear documentation linking genetic findings to clinical symptoms.

Coding Guidelines

Inclusion Criteria

Use G11.19 When
  • According to ICD
  • 10 guidelines, G11
  • 19 should be used when the specific type of early
  • onset cerebellar ataxia is not classified elsewhere
  • Coders must ensure that the diagnosis is supported by clinical documentation and that other specific codes are not applicable

Exclusion Criteria

Do NOT use G11.19 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

96116CPT Code

Neuropsychological testing

Clinical Scenario

Used to assess cognitive function in patients with ataxia.

Documentation Requirements

Detailed report of cognitive assessments and interpretations.

Specialty Considerations

Neurologists should ensure that cognitive assessments are linked to the diagnosis of ataxia.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of ataxias, including G11.19, which provides better granularity in capturing the complexity of these conditions. This specificity aids in research, treatment planning, and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ataxias, including G11.19, which provides better granularity in capturing the complexity of these conditions. This specificity aids in research, treatment planning, and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    National Ataxia Foundation

Coding & Billing References

  • •
    National Ataxia Foundation

Frequently Asked Questions

What is the difference between G11.19 and G11.0?

G11.19 is used for other types of early-onset cerebellar ataxia that do not fit the specific criteria for Friedreich's ataxia (G11.0). It is important to document the specific type of ataxia to ensure accurate coding.