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ICD-10 Guide
ICD-10 CodesD44.10

D44.10

Billable

Neoplasm of uncertain behavior of unspecified adrenal gland

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

Code Description

ICD-10 D44.10 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of unspecified adrenal gland.

Key Diagnostic Point:

D44.10 refers to a neoplasm of uncertain behavior located in the adrenal gland, which is an endocrine gland situated atop each kidney. Neoplasms of uncertain behavior are tumors that do not clearly fall into benign or malignant categories, making their management and prognosis challenging. These tumors may exhibit atypical features that warrant careful monitoring and evaluation. The adrenal glands produce hormones that regulate metabolism, immune response, and stress reactions, and neoplasms in this area can disrupt these functions. Surveillance is critical, as these tumors may progress to malignancy or cause hormonal imbalances. Diagnosis typically involves imaging studies such as CT or MRI, and may require biopsy for definitive characterization. The uncertainty surrounding these neoplasms necessitates a multidisciplinary approach for management, including endocrinologists and oncologists, to determine the best course of action based on individual patient factors.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Uncertainty in behavior classification (benign vs malignant)
  • Need for comprehensive diagnostic imaging
  • Potential for hormonal impact requiring endocrinological assessment
  • Variability in clinical presentation and symptoms

Audit Risk Factors

  • Inadequate documentation of tumor behavior
  • Lack of follow-up notes indicating surveillance
  • Insufficient imaging reports to support diagnosis
  • Failure to document multidisciplinary consultations

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed hormonal assessment and imaging results.

Common Clinical Scenarios

Patients presenting with adrenal incidentalomas or hormonal imbalances.

Billing Considerations

Ensure comprehensive documentation of hormonal evaluations and follow-up plans.

Oncology

Documentation Requirements

Pathology reports and treatment plans.

Common Clinical Scenarios

Management of patients with uncertain behavior neoplasms requiring potential surgical intervention.

Billing Considerations

Document the rationale for surveillance versus intervention.

Coding Guidelines

Inclusion Criteria

Use D44.10 When
  • According to ICD
  • CM guidelines, D44
  • 10 should be used when the neoplasm's behavior is uncertain and the adrenal gland's specific location is not documented
  • Coders should ensure that the documentation supports the diagnosis and that any related conditions are also coded appropriately

Exclusion Criteria

Do NOT use D44.10 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

74160CPT Code

CT scan of abdomen and pelvis

Clinical Scenario

Used for initial evaluation of adrenal masses.

Documentation Requirements

Imaging reports must be included in the patient's medical record.

Specialty Considerations

Endocrinologists should ensure imaging correlates with clinical findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D44.10 provides a clear classification for neoplasms that do not fit neatly into benign or malignant categories, improving data accuracy and patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D44.10 provides a clear classification for neoplasms that do not fit neatly into benign or malignant categories, improving data accuracy and patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. D44.10 provides a clear classification for neoplasms that do not fit neatly into benign or malignant categories, improving data accuracy and patient management.

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 significance of coding D44.10?

Coding D44.10 is crucial for accurately capturing neoplasms of uncertain behavior, which require careful monitoring and management. Proper coding ensures that patients receive appropriate follow-up care and that healthcare providers are reimbursed for the services rendered.