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v1.0.0
ICD-10 Guide
DiagnosesAdrenal Tumor

Adrenal Tumor

ICD-10 Coding for Adrenal Tumor(C74.0, D3a.0, E27.8)

PRIMARY SPECIALTYOncology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Adrenal Tumor?
Essential facts and insights about Adrenal Tumor

Key Clinical Considerations:

  • Presence of an adrenal mass or tumor identified through imaging studies such as CT or MRI.
  • Symptoms may include hypertension, unexplained weight gain, or signs of Cushing's syndrome.
  • Physical examination may reveal abdominal tenderness or palpable mass in the flank region.
  • Imaging findings may include unilateral or bilateral adrenal enlargement or lesions.
  • Staging may involve assessment of tumor size, local invasion, and metastasis.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Complete medical history including symptoms, duration, and impact on daily activities.
  • Specific terminology such as 'adrenal adenoma', 'adrenal carcinoma', or 'pheochromocytoma' must be documented.
  • Examples include: 'CT scan shows a 3 cm adrenal mass consistent with adenoma.'
  • Documentation must support medical necessity for imaging and treatment interventions.
  • Quality measures may include documentation of follow-up care and monitoring of hormone levels.

Coding Guidelines

Usage Guidelines & Examples

  • Use C74.0 for primary adrenal tumors; use D3a.0 for benign tumors; E27.8 for adrenal insufficiency.
  • Do not use these codes for tumors originating from other sites or metastatic disease.
  • C74.0 is specific for adrenal tumors, while C79.8 may be used for metastatic tumors to the adrenal glands.
  • Common errors include misclassifying benign tumors as malignant; ensure accurate pathology reports are reviewed.
  • In complex cases, consider the patient's full clinical picture and consult with oncology specialists.

Code Exclusions

Important Exclusions

  • Do not code for adrenal tumors that are secondary to metastasis from other sites.
  • Alternative codes may include C79.8 for metastatic tumors to the adrenal glands.
  • Conditions are excluded to ensure accurate representation of primary adrenal tumors.
  • Common mistakes include coding adrenal masses without confirming their nature (benign vs malignant).
  • Related conditions such as adrenal hyperplasia should be documented separately.

Related ICD-10 Codes

Primary Codes
C74.0
Malignant neoplasm of adrenal gland
D3a.0
Benign neoplasm of adrenal gland
E27.8
Other disorders of adrenal gland
Ancillary Codes
E34.0
Differential Codes
D3a.0
C74.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Oncology

Specialty Applications

  • Patients with adrenal tumors, including both benign and malignant forms.
  • Typically affects adults, but can occur in children; risk factors include genetic syndromes.
  • Clinical settings include outpatient oncology clinics, inpatient hospital settings, and emergency departments.
  • Oncology specialists, endocrinologists, and surgeons may be involved in treatment.
  • Treatment contexts include surgical resection, medical management, and monitoring for recurrence.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with adrenal tumor based on imaging findings and clinical symptoms.'

Template 2

Template: 'Clinical presentation consistent with adrenal adenoma including weight gain and hypertension.'

Template 3

Template: 'Diagnostic criteria met as evidenced by CT scan showing a 3 cm adrenal mass.'

Template 4

Template: 'Treatment plan initiated for adrenal carcinoma with surgical intervention and follow-up.'

Template 5

Template: 'Follow-up care for adrenal tumor including monitoring of hormone levels and imaging.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include imaging results, clinical findings, and treatment plans.

How does this differ from similar diagnoses?

Differentiation is based on tumor type, size, and presence of symptoms.

What are common billing considerations?

Ensure that all services provided are medically necessary and well-documented.

What procedures are typically associated?

Common procedures include adrenalectomy and hormone level testing.

Are there any quality reporting implications?

Quality measures may include tracking treatment outcomes and follow-up care.