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ICD-10 Guide
ICD-10 CodesE22.8

E22.8

Billable

Other hyperfunction of pituitary gland

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

Code Description

ICD-10 E22.8 is a billable code used to indicate a diagnosis of other hyperfunction of pituitary gland.

Key Diagnostic Point:

E22.8 refers to conditions characterized by the hyperfunction of the pituitary gland that do not fall under more specific categories. The pituitary gland, often termed the 'master gland,' regulates various endocrine functions by secreting hormones that influence growth, metabolism, and reproductive processes. Hyperfunction can lead to excessive hormone production, resulting in disorders such as acromegaly (excess growth hormone), Cushing's disease (excess ACTH), or hyperprolactinemia (excess prolactin). Patients may present with symptoms such as abnormal growth patterns, menstrual irregularities, and metabolic disturbances. Diagnosis typically involves hormonal assays, imaging studies like MRI, and clinical evaluations. Treatment may include surgical intervention, medication to inhibit hormone production, or radiation therapy, depending on the underlying cause. Accurate coding is crucial for appropriate management and reimbursement, as these conditions can significantly impact patient health and quality of life.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes leading to hyperfunction.
  • Overlap with other endocrine disorders requiring careful differentiation.
  • Need for comprehensive documentation of symptoms and diagnostic tests.
  • Potential for multiple hormone imbalances complicating the clinical picture.

Audit Risk Factors

  • Inadequate documentation of hormone levels and symptoms.
  • Failure to specify the underlying cause of hyperfunction.
  • Misclassification of related endocrine disorders.
  • Inconsistent use of diagnostic tests in documentation.

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed hormone level assessments, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with symptoms of hormone excess, such as abnormal growth or metabolic issues.

Billing Considerations

Ensure all relevant lab results and imaging studies are included in the documentation.

Neurosurgery

Documentation Requirements

Surgical notes, pre-operative assessments, and post-operative follow-ups.

Common Clinical Scenarios

Patients undergoing surgery for pituitary tumors causing hyperfunction.

Billing Considerations

Document the rationale for surgical intervention and any complications.

Coding Guidelines

Inclusion Criteria

Use E22.8 When
  • Follow the official ICD
  • CM coding guidelines, ensuring to document the specific type of hyperfunction and any related conditions
  • Include all relevant diagnostic tests and clinical findings to support the use of E22

Exclusion Criteria

Do NOT use E22.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

83001CPT Code

Growth hormone test

Clinical Scenario

Used to evaluate suspected growth hormone excess.

Documentation Requirements

Document the indication for the test and results.

Specialty Considerations

Endocrinologists should ensure comprehensive hormone panels are included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of pituitary disorders, improving the ability to capture the complexity of these conditions. E22.8 provides a broader category for hyperfunction, which can help in tracking and managing patient outcomes more effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of pituitary disorders, improving the ability to capture the complexity of these conditions. E22.8 provides a broader category for hyperfunction, which can help in tracking and managing patient outcomes more effectively.

Reimbursement & Billing Impact

reimbursement and compliance with coding standards.

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

What conditions are included under E22.8?

E22.8 includes various forms of hyperfunction of the pituitary gland that do not fit into more specific categories, such as excess hormone production due to adenomas or other causes.