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ICD-10 Guide
DiagnosesAdrenal Mass

Adrenal Mass

ICD-10 Coding for Adrenal Mass(E27.8, C74.90)

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

Diagnosis Overview

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

Key Clinical Considerations:

  • Presence of an adrenal mass may be indicated by symptoms such as abdominal pain, weight loss, hypertension, or hormonal imbalances.
  • Laboratory findings may include abnormal hormone levels (e.g., cortisol, aldosterone) or imaging results showing mass characteristics.
  • Physical examination may reveal signs of Cushing's syndrome or other endocrine disorders.
  • Imaging findings from CT or MRI may show the size, shape, and density of the adrenal mass, aiding in differential diagnosis.
  • Severity criteria may involve staging based on size, functional status of the mass, and presence of malignancy.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Medical records must document the patient's symptoms, laboratory results, imaging studies, and clinical findings.
  • Specific terminology such as 'adrenal adenoma', 'adrenal carcinoma', or 'incidentaloma' must be used appropriately.
  • Examples include documenting the size of the mass, hormonal activity, and any associated symptoms.
  • Medical necessity must be established through documentation of symptoms and the need for diagnostic testing or treatment.
  • Quality measures may include tracking outcomes related to adrenal mass management and follow-up care.

Coding Guidelines

Usage Guidelines & Examples

  • Use E27.8 for unspecified adrenal disorders when the mass is not characterized, and C74.90 for unspecified malignant neoplasm of the adrenal gland.
  • Do not use these codes for adrenal masses that are clearly benign or functional without further specification.
  • C74.91 may be used for malignant adrenal masses with specific characteristics, while E27.8 is broader.
  • Common errors include misclassifying benign masses as malignant; ensure proper imaging and pathology reports are reviewed.
  • In complex cases, consider the functional status of the mass and any associated endocrine disorders when selecting codes.

Code Exclusions

Important Exclusions

  • Excludes conditions such as adrenal hyperplasia or adrenal insufficiency that are not classified as masses.
  • Alternative codes for excluded conditions include E27.1 for adrenal insufficiency and E27.2 for hyperaldosteronism.
  • Conditions are excluded due to differing pathophysiology and treatment approaches.
  • Common mistakes include coding adrenal masses when the primary condition is adrenal insufficiency.
  • Related but distinct conditions include adrenal cysts and other non-mass adrenal disorders.

Related ICD-10 Codes

Primary Codes
E27.8
Other specified disorders of adrenal gland
C74.90
Malignant neoplasm of unspecified adrenal gland
Ancillary Codes
E24.0
C78.7
Differential Codes
C74.90
E27.8

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Endocrinology

Specialty Applications

  • This applies to patients with adrenal masses, which may be benign or malignant.
  • Patient populations include adults, with risk factors such as obesity, hypertension, and family history of endocrine tumors.
  • Clinical settings include outpatient endocrinology clinics, inpatient hospital settings, and emergency departments.
  • Specialty-specific applications are relevant in endocrinology, oncology, and surgery.
  • Treatment contexts may involve surgical intervention, hormonal therapy, or observation based on mass characteristics.

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 mass based on imaging findings and hormonal assays.'

Template 2

Template: 'Clinical presentation consistent with adrenal mass including abdominal pain and hypertension.'

Template 3

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

Template 4

Template: 'Treatment plan initiated for adrenal mass with surgical intervention recommended.'

Template 5

Template: 'Follow-up care for adrenal mass 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 clinical findings, imaging results, and any hormonal assays.

How does this differ from similar diagnoses?

Differentiation is based on imaging characteristics and hormonal activity.

What are common billing considerations?

Ensure that all services related to diagnosis and treatment are documented for reimbursement.

What procedures are typically associated?

Common procedures include adrenalectomy, imaging studies, and hormonal assays.

Are there any quality reporting implications?

Quality measures may include tracking patient outcomes and adherence to treatment protocols.