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ICD-10 Guide
ICD-10 CodesC74.90

C74.90

Billable

Malignant neoplasm of unspecified part of unspecified adrenal gland

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

Code Description

ICD-10 C74.90 is a billable code used to indicate a diagnosis of malignant neoplasm of unspecified part of unspecified adrenal gland.

Key Diagnostic Point:

C74.90 refers to a malignant neoplasm located in the adrenal gland, where the specific part of the gland is not identified. The adrenal glands, located on top of each kidney, are responsible for producing hormones that regulate metabolism, immune response, blood pressure, and stress response. Malignant neoplasms in this area can disrupt hormone production, leading to various metabolic and endocrine disorders. Symptoms may include weight changes, hypertension, and abnormal glucose metabolism. Diagnosis typically involves imaging studies such as CT or MRI scans, and may require biopsy for definitive histological confirmation. Treatment options often include surgical resection, radiation therapy, and chemotherapy, depending on the tumor's characteristics and stage. Accurate coding is essential for proper treatment planning and reimbursement, as well as for tracking epidemiological data related to adrenal malignancies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Unspecified location complicates diagnosis specificity.
  • Potential overlap with other adrenal neoplasms.
  • Requires thorough documentation to justify the unspecified nature.
  • Need for comprehensive understanding of adrenal hormone functions.

Audit Risk Factors

  • Inadequate documentation of the tumor's characteristics.
  • Failure to specify the location of the neoplasm.
  • Misinterpretation of imaging results.
  • Lack of clarity in treatment plans.

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed pathology reports, imaging studies, and treatment plans.

Common Clinical Scenarios

Diagnosis of adrenal tumors, treatment planning, and follow-up care.

Billing Considerations

Ensure that all relevant clinical findings are documented to support the diagnosis.

Endocrinology

Documentation Requirements

Hormonal assay results, metabolic evaluations, and patient symptomatology.

Common Clinical Scenarios

Management of hormone-related symptoms and metabolic disorders due to adrenal tumors.

Billing Considerations

Document any hormonal imbalances and their clinical implications.

Coding Guidelines

Inclusion Criteria

Use C74.90 When
  • According to ICD
  • 10 coding guidelines, C74
  • 90 should be used when the specific part of the adrenal gland is not documented
  • Coders must ensure that all other relevant codes are considered and that the unspecified nature is justified in the clinical documentation

Exclusion Criteria

Do NOT use C74.90 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

CPT 60540CPT Code

Adrenalectomy

Clinical Scenario

Used for surgical removal of adrenal tumors.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Oncologists and surgeons must coordinate documentation for accurate coding.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of adrenal malignancies, but the use of unspecified codes like C74.90 can lead to increased scrutiny during audits. Coders must ensure that documentation supports the use of this code to avoid potential denials.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of adrenal malignancies, but the use of unspecified codes like C74.90 can lead to increased scrutiny during audits. Coders must ensure that documentation supports the use of this code to avoid potential denials.

Reimbursement & Billing Impact

reimbursement.

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

When should I use C74.90?

C74.90 should be used when a malignant neoplasm of the adrenal gland is diagnosed, but the specific part of the gland is not documented in the clinical notes.