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v1.0.0
ICD-10 Guide
ICD-10 CodesE26.8

E26.8

Billable

Other hyperaldosteronism

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

Code Description

ICD-10 E26.8 is a billable code used to indicate a diagnosis of other hyperaldosteronism.

Key Diagnostic Point:

Other hyperaldosteronism refers to conditions characterized by excessive production of aldosterone from the adrenal glands, leading to electrolyte imbalances, hypertension, and potential cardiovascular complications. This condition can arise from various etiologies, including adrenal adenomas, bilateral adrenal hyperplasia, or ectopic aldosterone production. Unlike primary hyperaldosteronism, which is often due to adrenal adenomas, other forms may involve complex interactions with other endocrine glands such as the pituitary and parathyroid glands. The adrenal glands, located atop the kidneys, play a crucial role in hormone production, including aldosterone, which regulates sodium and potassium levels in the body. An imbalance can lead to secondary effects on the parathyroid glands, affecting calcium metabolism. Diagnosis typically involves biochemical tests to measure plasma aldosterone levels, renin activity, and imaging studies to identify adrenal abnormalities. Management may include pharmacological interventions, lifestyle modifications, or surgical options depending on the underlying cause.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes leading to hyperaldosteronism.
  • Need for comprehensive documentation of hormone levels and imaging results.
  • Differentiation from primary hyperaldosteronism and other endocrine disorders.
  • Potential for co-existing conditions affecting treatment and coding.

Audit Risk Factors

  • Inadequate documentation of hormone levels and imaging studies.
  • Failure to specify the underlying cause of hyperaldosteronism.
  • Misclassification of primary vs. secondary hyperaldosteronism.
  • Lack of clarity in treatment plans and follow-up care.

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed lab results, imaging studies, and treatment plans must be documented.

Common Clinical Scenarios

Patients presenting with hypertension and hypokalemia, requiring evaluation for hyperaldosteronism.

Billing Considerations

Endocrinologists must ensure comprehensive documentation of all hormonal assays and imaging to support the diagnosis.

Nephrology

Documentation Requirements

Renal function tests and electrolyte levels must be included in the documentation.

Common Clinical Scenarios

Patients with resistant hypertension and electrolyte imbalances needing further evaluation.

Billing Considerations

Nephrologists should document the impact of aldosterone on renal function and electrolyte homeostasis.

Coding Guidelines

Inclusion Criteria

Use E26.8 When
  • According to ICD
  • 10 guidelines, E26
  • 8 should be used when hyperaldosteronism is not classified elsewhere
  • Coders must ensure that the underlying cause is documented and that the condition is not due to primary hyperaldosteronism or other specified conditions

Exclusion Criteria

Do NOT use E26.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

84144CPT Code

Aldosterone level test

Clinical Scenario

Used to confirm diagnosis of hyperaldosteronism.

Documentation Requirements

Document the reason for testing and results.

Specialty Considerations

Endocrinologists should ensure that the test is linked to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of hyperaldosteronism, enabling better tracking of patient outcomes and treatment efficacy. E26.8 provides a distinct classification for cases that do not fit into primary hyperaldosteronism, improving the accuracy of health records.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of hyperaldosteronism, enabling better tracking of patient outcomes and treatment efficacy. E26.8 provides a distinct classification for cases that do not fit into primary hyperaldosteronism, improving the accuracy of health records.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of hyperaldosteronism, enabling better tracking of patient outcomes and treatment efficacy. E26.8 provides a distinct classification for cases that do not fit into primary hyperaldosteronism, improving the accuracy of health records.

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 is the difference between E26.8 and E26.0?

E26.8 is used for other forms of hyperaldosteronism not classified as primary, while E26.0 specifically refers to primary hyperaldosteronism, often due to adrenal adenomas.