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ICD-10 Guide
ICD-10 CodesD44.12

D44.12

Billable

Neoplasm of uncertain behavior of left adrenal gland

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

Code Description

ICD-10 D44.12 is a billable code used to indicate a diagnosis of neoplasm of uncertain behavior of left adrenal gland.

Key Diagnostic Point:

D44.12 refers to a neoplasm of uncertain behavior located in the left adrenal gland. Neoplasms of uncertain behavior are tumors that do not clearly fit into benign or malignant categories, making them challenging to manage and code. These tumors may exhibit atypical features that warrant careful monitoring and evaluation. The adrenal glands, located on top of each kidney, produce hormones that regulate metabolism, immune response, and blood pressure. When a neoplasm arises in the left adrenal gland, it can lead to various symptoms depending on its size and hormonal activity. Surveillance is crucial, as these tumors may progress to malignancy or cause hormonal imbalances. Regular imaging studies and biochemical tests are often employed to assess the tumor's behavior and any potential complications. The uncertainty surrounding these neoplasms necessitates a multidisciplinary approach involving endocrinologists, oncologists, and radiologists to determine the best course of action for patient management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Ambiguity in tumor behavior classification
  • Need for ongoing surveillance and monitoring
  • Potential for progression to malignancy
  • Variability in clinical presentation

Audit Risk Factors

  • Inadequate documentation of tumor behavior
  • Failure to document surveillance plans
  • Misclassification of neoplasm type
  • Lack of follow-up notes on tumor progression

Specialty Focus

Medical Specialties

Endocrinology

Documentation Requirements

Detailed hormonal assessment and imaging results.

Common Clinical Scenarios

Evaluation of adrenal masses, hormonal excess syndromes.

Billing Considerations

Ensure documentation reflects the need for surveillance and any hormonal evaluations performed.

Oncology

Documentation Requirements

Pathology reports and treatment plans.

Common Clinical Scenarios

Management of adrenal tumors, consideration for surgical intervention.

Billing Considerations

Document the multidisciplinary approach and any consultations with other specialties.

Coding Guidelines

Inclusion Criteria

Use D44.12 When
  • According to ICD
  • 10 guidelines, D44
  • 12 should be used when the neoplasm's behavior is uncertain and requires ongoing monitoring
  • It is essential to document the clinical rationale for using this code, including any imaging or laboratory findings that support the diagnosis

Exclusion Criteria

Do NOT use D44.12 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

CPT 74176CPT Code

CT scan of abdomen and pelvis

Clinical Scenario

Used for initial evaluation of adrenal masses.

Documentation Requirements

Document indications for imaging and findings.

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 provided more specific codes for neoplasms, allowing for better tracking of uncertain behavior tumors. This specificity aids in research and treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has provided more specific codes for neoplasms, allowing for better tracking of uncertain behavior tumors. This specificity aids in research and treatment planning.

Reimbursement & Billing Impact

The transition to ICD-10 has provided more specific codes for neoplasms, allowing for better tracking of uncertain behavior tumors. This specificity aids in research and treatment planning.

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 does 'neoplasm of uncertain behavior' mean?

It refers to tumors that do not have a clear classification as benign or malignant, requiring careful monitoring and evaluation.

How often should patients with D44.12 be monitored?

Surveillance frequency depends on tumor characteristics and clinical judgment, but typically involves regular imaging and hormonal assessments.