Is ICD-10-CM code C74 billable?

No, C74 (Malignant neoplasm of adrenal gland) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code C74 belong to?

C74 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C74Not billable, use a more specific code below

Malignant neoplasm of adrenal gland

In Malignant neoplasms of thyroid and other endocrine glands (C73-C75), chapter 2: Neoplasms

9 billable codes under C74: all are a CC; all map to HCC 22 (Bladder, Colorectal, and Other Cancers).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.

Admission/Encounter for treatment of primary site (page 33)
Admission/Encounter for treatment of secondary site (page 33)
Coding and sequencing of complications (page 34)
Primary malignancy previously excised (page 34)
Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
Admission/encounter to determine extent of malignancy (page 36)
Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
Admission/encounter for pain control/management (page 36)

Read Section I.C.2 (page 32), 12 more topics

All codes under C74

C74 can't be used on a claim. Pick a billable code below; grey headings group them.

C74 MS-DRGs

As the principal diagnosis, all 9 billable codes under C74 group to MS-DRG 643, 644, or 645 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to C74

Notes on these codes point to C74.

C75 Excludes1: malignant neoplasm of adrenal gland (C74.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Adrenal Gland Cancer

Your adrenal, or suprarenal, glands are located on the top of each kidney. These glands produce hormones that you can't live without, including sex hormones and cortisol, which helps you respond to stress and has many other functions.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.