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v1.0.0
ICD-10 Guide
ICD-10 CodesR46.3

R46.3

Overactivity

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R46.3 is a billable code used to indicate a diagnosis of overactivity.

Key Diagnostic Point:

Overactivity, classified under ICD-10 code R46.3, refers to a state of excessive physical or mental activity that is not attributed to a specific medical condition. This symptom can manifest in various forms, including hyperactivity, restlessness, or an inability to remain still. Patients may exhibit behaviors such as fidgeting, rapid speech, or impulsive actions. Overactivity can be observed in various contexts, including psychiatric disorders like Attention Deficit Hyperactivity Disorder (ADHD), anxiety disorders, or as a side effect of certain medications. It is essential to differentiate overactivity from other conditions that may present similarly, such as mania or hyperthyroidism. The clinical context often requires a comprehensive assessment, including patient history, physical examination, and possibly laboratory tests to rule out underlying causes. Understanding the patient's environment, stressors, and any recent changes in medication or lifestyle is crucial for accurate diagnosis and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes
  • Overlap with other psychiatric and medical conditions
  • Need for thorough documentation of symptoms
  • Potential for misdiagnosis without comprehensive evaluation

Audit Risk Factors

  • Inadequate documentation of symptoms and patient history
  • Failure to specify the context of overactivity
  • Misuse of the code for conditions that have specific codes
  • Lack of supporting clinical evidence for the diagnosis

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed patient history, including onset, duration, and context of overactivity, along with any associated symptoms.

Common Clinical Scenarios

Patients presenting with anxiety, stress-related disorders, or medication side effects.

Billing Considerations

Consideration of comorbid conditions that may contribute to overactivity, such as depression or chronic illness.

Emergency Medicine

Documentation Requirements

Acute assessment of overactivity, including vital signs and mental status evaluation.

Common Clinical Scenarios

Patients presenting with acute agitation or hyperactivity due to substance use or withdrawal.

Billing Considerations

Rapid assessment and documentation are crucial in emergency settings to ensure appropriate management.

Coding Guidelines

Inclusion Criteria

Use R46.3 When
  • Coders should ensure that R46
  • 3 is used only when overactivity is not classified elsewhere
  • Documentation must support the diagnosis, including a clear description of the symptoms and any relevant clinical findings

Exclusion Criteria

Do NOT use R46.3 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used when evaluating a patient with overactivity in an outpatient setting.

Documentation Requirements

Document the patient's history, examination findings, and any management plans.

Specialty Considerations

Ensure that the visit is appropriately coded based on the complexity of the visit.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of symptoms like overactivity, improving the granularity of data collection and analysis. This specificity aids in better understanding patient populations and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of symptoms like overactivity, improving the granularity of data collection and analysis. This specificity aids in better understanding patient populations and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of symptoms like overactivity, improving the granularity of data collection and analysis. This specificity aids in better understanding patient populations and treatment outcomes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

Can R46.3 be used for all types of overactivity?

No, R46.3 should only be used when overactivity is not classified elsewhere. Conditions like ADHD have specific codes that should be utilized.

What documentation is necessary to support the use of R46.3?

Documentation should include a detailed description of the overactivity, its context, and any relevant clinical findings or assessments.