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ICD-10-CM 2027 diagnosis code

C74.1Malignant neoplasm of medulla of adrenal gland

Not billable — use a more specific code

C74.1 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About C74.1

C74.1 is the ICD-10-CM diagnosis code for malignant neoplasm of medulla of adrenal gland. It belongs to category C74 (malignant neoplasm of adrenal gland), block C73-C75 (malignant neoplasms of thyroid and other endocrine glands) and chapter 2 (neoplasms). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within C74 (malignant neoplasm of adrenal gland), C74.1 is specifically for malignant neoplasm of medulla of adrenal gland. Related codes cover cortex of adrenal gland (C74.0) and unspecified part of adrenal gland (C74.9).

To report this condition, pick the subcode that matches the documentation: C74.10 (gland), C74.11 (gland) and C74.12 (gland).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under C74.1

Notes that apply from higher levels

Instructions written at a parent level also apply to C74.1.

Broader instructions also apply from Chapter 2: Neoplasms.

Alphabetic index entries

1 entries

Terms in the official ICD-10-CM index that lead to C74.1.

Table of Drugs & Neoplasms entries

Codes whose notes reference C74.1

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about C74.1

Is C74.1 billable?

No. C74.1 is a header code. Report one of its more specific subcodes instead.