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ICD-10 Guide
ICD-10 CodesE23.1

E23.1

Billable

Drug-induced hypopituitarism

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

Code Description

ICD-10 E23.1 is a billable code used to indicate a diagnosis of drug-induced hypopituitarism.

Key Diagnostic Point:

Drug-induced hypopituitarism is a condition characterized by the impairment of the pituitary gland's ability to produce hormones due to the influence of certain medications. This condition can lead to deficiencies in one or more of the hormones produced by the pituitary gland, including growth hormone, thyroid-stimulating hormone, adrenocorticotropic hormone, and gonadotropins. The resulting hormonal imbalances can affect various endocrine glands, including the adrenal glands and thyroid, leading to a cascade of metabolic disturbances. Symptoms may include fatigue, weight gain or loss, decreased libido, and changes in mood. The diagnosis often requires a thorough medication history, as well as hormonal assays to evaluate pituitary function. Treatment typically involves managing the underlying cause, which may include discontinuing the offending drug and providing hormone replacement therapy as needed. Understanding the specific medications that can induce this condition is crucial for effective management and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of medications that can induce hypopituitarism
  • Need for comprehensive patient medication history
  • Potential overlap with other endocrine disorders
  • Variability in clinical presentation

Audit Risk Factors

  • Incomplete medication history documentation
  • Failure to document hormone level testing
  • Inaccurate coding of related endocrine disorders
  • Lack of clear clinical correlation between symptoms and drug use

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed medication history, hormone level tests, and clinical symptoms.

Common Clinical Scenarios

Patients presenting with unexplained fatigue, weight changes, or sexual dysfunction after starting new medications.

Billing Considerations

Endocrinologists must ensure that all relevant hormone levels are tested and documented to support the diagnosis.

Internal Medicine

Documentation Requirements

Comprehensive patient history, including medication review and symptom assessment.

Common Clinical Scenarios

Patients with chronic illnesses on multiple medications presenting with nonspecific symptoms.

Billing Considerations

Internal medicine practitioners should be vigilant about the potential endocrine side effects of commonly prescribed medications.

Coding Guidelines

Inclusion Criteria

Use E23.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the drug responsible for hypopituitarism
  • Include any relevant lab results and clinical findings that support the diagnosis

Exclusion Criteria

Do NOT use E23.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

84443CPT Code

Thyroid-stimulating hormone (TSH)

Clinical Scenario

Used to evaluate thyroid function in patients with suspected hypopituitarism.

Documentation Requirements

Document the reason for testing and any relevant symptoms.

Specialty Considerations

Endocrinologists should ensure comprehensive testing of all relevant hormones.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like drug-induced hypopituitarism, improving the accuracy of diagnoses and treatment tracking. This specificity aids in better patient management and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like drug-induced hypopituitarism, improving the accuracy of diagnoses and treatment tracking. This specificity aids in better patient management and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like drug-induced hypopituitarism, improving the accuracy of diagnoses and treatment tracking. This specificity aids in better patient management and resource allocation.

Resources

Clinical References

  • •
    Endocrine Society Guidelines

Coding & Billing References

  • •
    Endocrine Society Guidelines

Frequently Asked Questions

What medications are commonly associated with drug-induced hypopituitarism?

Common medications include glucocorticoids, opioids, and certain psychiatric medications. It's essential to review the patient's complete medication history to identify potential causes.