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ICD-10 Coding for Hypercortisolism(E24.0, E24.1)

Complete ICD-10-CM coding and documentation guide for Hypercortisolism. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Cushing's SyndromeCushing's Disease

Related ICD-10 Code Ranges

Complete code families applicable to Hypercortisolism

E24.0-E24.9Primary Range

Cushing's syndrome and related conditions

This range includes all forms of Cushing's syndrome, including pituitary-dependent, ectopic ACTH syndrome, and other specified forms.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
E24.0Pituitary-dependent Cushing's diseaseUse when Cushing's is confirmed to be pituitary-dependent with ACTH-secreting adenoma.
  • Elevated ACTH levels
  • Pituitary lesion on MRI
  • Failed dexamethasone suppression test
E24.1Ectopic ACTH syndromeUse when Cushing's is due to ectopic ACTH production from a tumor.
  • High ACTH levels
  • Tumor identified outside pituitary
  • Biopsy confirmation of ectopic source

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for hypercortisolism

Essential facts and insights about Hypercortisolism

The ICD-10 code for hypercortisolism, specifically Cushing's syndrome, is E24.0 for pituitary-dependent cases and E24.1 for ectopic ACTH syndrome.

Primary ICD-10-CM Codes for hypercortisolism

Pituitary-dependent Cushing's disease
Billable Code

Decision Criteria

clinical Criteria

  • ACTH-secreting pituitary adenoma confirmed by imaging and lab tests.

Applicable To

  • ACTH-secreting pituitary adenoma

Excludes

  • Ectopic ACTH syndrome (E24.1)

Clinical Validation Requirements

  • Elevated ACTH levels
  • Pituitary lesion on MRI
  • Failed dexamethasone suppression test

Code-Specific Risks

  • Misclassification if ectopic source is not ruled out

Coding Notes

  • Ensure ACTH-dependence is documented with pituitary findings.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Type 2 diabetes mellitus without complications

E11.9
Use to code diabetes as a manifestation of Cushing's.

Secondary neuroendocrine tumors

C7B.02
Use for coding the tumor causing ectopic ACTH production.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Ectopic ACTH syndrome

E24.1
Presence of ectopic ACTH production from a non-pituitary tumor.

Pituitary-dependent Cushing's disease

E24.0
ACTH production from pituitary adenoma.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Hypercortisolism to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E24.0.

Impact

Clinical: May lead to incomplete treatment plans., Regulatory: Could result in coding audits., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Use phrases like 'due to Cushing's' in documentation., Ensure all related conditions are coded.

Impact

Reimbursement: May lead to claim denials., Compliance: Triggers audits due to lack of specificity., Data Quality: Reduces accuracy of clinical data.

Mitigation Strategy

Ensure full workup is documented before using unspecified codes.

Impact

High audit risk if E24.9 is used without documentation of workup.

Mitigation Strategy

Document all diagnostic steps and findings.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Hypercortisolism, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Hypercortisolism

Use these documentation templates to ensure complete and accurate documentation for Hypercortisolism. These templates include all required elements for proper coding and billing.

Hypercortisolism due to pituitary adenoma

Specialty: Endocrinology

Required Elements

  • Symptoms timeline
  • Lab values
  • Imaging results
  • Treatment responses

Example Documentation

Patient presents with moon facies, hypertension, and glucose intolerance. MRI shows 6mm pituitary adenoma. 24-hour urinary free cortisol 450 μg/24h.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Cushing's syndrome diagnosed.
Good Documentation Example
Biochemically confirmed ACTH-dependent hypercortisolism with 5mm pituitary adenoma on MRI.
Explanation
The good example provides specific diagnostic criteria and imaging findings.

Need help with ICD-10 coding for Hypercortisolism? Ask your questions below.

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