C74.0 Malignant neoplasm of cortex of adrenal gland

The ICD-10-CM code for Malignant neoplasm of cortex of adrenal gland is C74.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

2: Neoplasms (C00-D49)

Section

C73-C75: Malignant neoplasms of thyroid and other endocrine glands (C73-C75)

Category C74

13 codes (9 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to C74.0:

• Carcinoma (malignant) › adrenal cortical
• Adenocarcinoma › adrenal cortical
• Tumor › adrenal › cortical (benign) › malignant

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool