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ICD-10 Guide
ICD-10 CodesChapter 2: NeoplasmsD44

D44

Billable

Neoplasm of uncertain behavior of endocrine glands

Chapter 2:Neoplasms

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

Code Description

ICD-10 D44 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of endocrine glands.

Key Diagnostic Point:

Neoplasms of uncertain behavior of endocrine glands, classified under ICD-10 code D44, refer to tumors arising from the endocrine system that exhibit indeterminate characteristics. These neoplasms may not be classified as benign or malignant, leading to challenges in management and treatment. Common endocrine glands involved include the thyroid, adrenal glands, and pituitary gland. The behavior of these neoplasms can vary significantly, necessitating careful monitoring and evaluation. Surveillance is crucial as these tumors may have the potential for progression to malignancy, although many remain stable over time. Clinical assessment often involves imaging studies, hormonal evaluations, and sometimes biopsy to ascertain the nature of the neoplasm. The uncertainty surrounding these tumors requires a multidisciplinary approach for optimal patient management, including endocrinologists, oncologists, and radiologists. Regular follow-ups and imaging are essential to detect any changes in size or behavior that may indicate a shift towards malignancy.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and behavior of neoplasms
  • Need for comprehensive documentation of surveillance and follow-up
  • Differentiation from benign and malignant neoplasms
  • Potential for progression requiring ongoing monitoring

Audit Risk Factors

  • Inadequate documentation of follow-up and surveillance
  • Failure to specify the endocrine gland involved
  • Misclassification of neoplasm behavior
  • Lack of clarity in pathology reports

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed clinical notes on tumor characteristics, hormonal evaluations, and follow-up plans.

Common Clinical Scenarios

Monitoring of thyroid nodules, adrenal incidentalomas, and pituitary adenomas.

Billing Considerations

Endocrinologists must ensure clear documentation of the neoplasm's behavior and any changes over time.

Oncology

Documentation Requirements

Comprehensive treatment plans, imaging results, and biopsy findings.

Common Clinical Scenarios

Management of patients with uncertain behavior neoplasms requiring potential intervention.

Billing Considerations

Oncologists should focus on the potential for malignancy and document any treatment decisions based on tumor behavior.

Coding Guidelines

Inclusion Criteria

Use D44 When
  • According to official coding guidelines, D44 should be used when the behavior of the neoplasm is uncertain and cannot be classified as benign or malignant
  • Documentation must support the diagnosis and include details about the endocrine gland involved

Exclusion Criteria

Do NOT use D44 When
No specific exclusions found.

Related CPT Codes

88305CPT Code

Pathology examination, surgical

Clinical Scenario

Used when a biopsy is performed to evaluate the neoplasm.

Documentation Requirements

Pathology report must clearly indicate findings related to the neoplasm.

Specialty Considerations

Endocrinologists and oncologists should ensure that biopsy results are documented in the patient's record.

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. This specificity aids in better tracking and management of these conditions, although it requires coders to be more diligent in documentation and coding practices.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. This specificity aids in better tracking and management of these conditions, although it requires coders to be more diligent in documentation and coding practices.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of neoplasms, including those of uncertain behavior. This specificity aids in better tracking and management of these conditions, although it requires coders to be more diligent in documentation and coding practices.

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?

Coding D44 is significant as it indicates the presence of a neoplasm with uncertain behavior, which requires careful monitoring and management. Accurate coding ensures appropriate follow-up and treatment decisions.