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ICD-10 Guide
ICD-10 CodesR89.1

R89.1

Abnormal level of hormones in specimens from other organs, systems and tissues

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

Code Description

ICD-10 R89.1 is a billable code used to indicate a diagnosis of abnormal level of hormones in specimens from other organs, systems and tissues.

Key Diagnostic Point:

R89.1 is used to classify abnormal hormone levels detected in specimens obtained from various organs, systems, or tissues that do not fall under more specific classifications. Hormones play a crucial role in regulating numerous physiological processes, and their abnormal levels can indicate underlying health issues. Commonly tested hormones include thyroid hormones, adrenal hormones, and sex hormones. Abnormal levels may manifest as symptoms such as fatigue, weight changes, mood disturbances, or reproductive issues. The clinical context for this code often arises from laboratory findings that suggest endocrine dysfunction, necessitating further investigation to determine the underlying cause. Conditions such as hyperthyroidism, adrenal insufficiency, or hormonal imbalances due to tumors may lead to abnormal hormone levels. Accurate coding requires a thorough understanding of the clinical scenario and the specific hormones involved, as well as the documentation of the laboratory findings that prompted the diagnosis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of hormones that can be tested and their associated conditions
  • Need for precise documentation of laboratory findings
  • Differentiation from other endocrine disorders
  • Potential overlap with other ICD-10 codes

Audit Risk Factors

  • Inadequate documentation of laboratory results
  • Failure to specify the hormone involved
  • Misclassification of symptoms related to hormonal imbalances
  • Lack of correlation between clinical findings and laboratory results

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed lab results, clinical correlation, and any relevant patient history.

Common Clinical Scenarios

Patients presenting with fatigue, weight changes, or reproductive issues requiring hormonal evaluation.

Billing Considerations

Ensure that the specific hormone levels are documented and correlate with the patient's symptoms.

Emergency Medicine

Documentation Requirements

Acute care documentation must include immediate lab results and clinical assessment.

Common Clinical Scenarios

Acute presentations of adrenal crisis or thyroid storm requiring urgent intervention.

Billing Considerations

Rapid assessment and documentation of abnormal hormone levels are critical in emergency settings.

Coding Guidelines

Inclusion Criteria

Use R89.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the abnormal hormone levels are documented and not classified elsewhere
  • The clinical context must support the use of R89
  • 1, and coders should verify that the laboratory findings are clearly linked to the patient's symptoms

Exclusion Criteria

Do NOT use R89.1 When
No specific exclusions found.

Related CPT Codes

84443CPT Code

Thyroid stimulating hormone (TSH)

Clinical Scenario

Used when evaluating thyroid function in patients with abnormal hormone levels.

Documentation Requirements

Document the reason for testing and the patient's clinical symptoms.

Specialty Considerations

Endocrinologists may require additional tests based on initial findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of abnormal hormone levels, improving the accuracy of diagnoses and treatment plans. R89.1 provides a mechanism for capturing hormone abnormalities that do not fit neatly into other categories, enhancing clinical data analysis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of abnormal hormone levels, improving the accuracy of diagnoses and treatment plans. R89.1 provides a mechanism for capturing hormone abnormalities that do not fit neatly into other categories, enhancing clinical data analysis.

Reimbursement & Billing Impact

reimbursement.

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 types of hormone abnormalities does R89.1 cover?

R89.1 covers a range of hormone abnormalities detected in specimens from various organs, including thyroid hormones, adrenal hormones, and sex hormones, among others.