2021

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. C73-C75 Malignant neoplasms of thyroid and other endocrine glands
    4. ›
  4. C75- Malignant neoplasm of other endocrine glands and related structures
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code C75

2021 ICD-10-CM Diagnosis Code C75

Malignant neoplasm of other endocrine glands and related structures

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • C75 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Malignant neoplasm of endo glands and related structures
  • The 2021 edition of ICD-10-CM C75 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of C75 - other international versions of ICD-10 C75 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as C75. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • malignant carcinoid tumors (
    ICD-10-CM Diagnosis Code C7A.0

    Malignant carcinoid tumors

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    C7A.0-
    )
  • malignant neoplasm of adrenal gland (
    ICD-10-CM Diagnosis Code C74
    • C74 Malignant neoplasm of adrenal gland
      • C74.0 Malignant neoplasm of cortex of adrenal gland...
        • C74.00 Malignant neoplasm of cortex of unspecified a...
        • C74.01 Malignant neoplasm of cortex of right adrenal...
        • C74.02 Malignant neoplasm of cortex of left adrenal ...
      • C74.1 Malignant neoplasm of medulla of adrenal glan...
        • C74.10 Malignant neoplasm of medulla of unspecified ...
        • C74.11 Malignant neoplasm of medulla of right adrena...
        • C74.12 Malignant neoplasm of medulla of left adrenal...
      • C74.9 Malignant neoplasm of unspecified part of adr...
        • C74.90 Malignant neoplasm of unspecified part of uns...
        • C74.91 Malignant neoplasm of unspecified part of rig...
        • C74.92 Malignant neoplasm of unspecified part of lef...
    C74.-
    )
  • malignant neoplasm of endocrine pancreas (
    ICD-10-CM Diagnosis Code C25.4

    Malignant neoplasm of endocrine pancreas

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Malignant neoplasm of islets of Langerhans
    Use Additional
    • code to identify any functional activity.
    C25.4
    )
  • malignant neoplasm of islets of Langerhans (
    ICD-10-CM Diagnosis Code C25.4

    Malignant neoplasm of endocrine pancreas

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Malignant neoplasm of islets of Langerhans
    Use Additional
    • code to identify any functional activity.
    C25.4
    )
  • malignant neoplasm of ovary (
    ICD-10-CM Diagnosis Code C56
    • C56 Malignant neoplasm of ovary
      • C56.1 Malignant neoplasm of right ovary
      • C56.2 Malignant neoplasm of left ovary
      • C56.9 Malignant neoplasm of unspecified ovary
    C56.-
    )
  • malignant neoplasm of testis (
    ICD-10-CM Diagnosis Code C62
    • C62 Malignant neoplasm of testis
      • C62.0 Malignant neoplasm of undescended testis
        • C62.00 Malignant neoplasm of unspecified undescended...
        • C62.01 Malignant neoplasm of undescended right testi...
        • C62.02 Malignant neoplasm of undescended left testis...
      • C62.1 Malignant neoplasm of descended testis
        • C62.10 Malignant neoplasm of unspecified descended t...
        • C62.11 Malignant neoplasm of descended right testis
        • C62.12 Malignant neoplasm of descended left testis
      • C62.9 Malignant neoplasm of testis, unspecified whe...
        • C62.90 Malignant neoplasm of unspecified testis, uns...
        • C62.91 Malignant neoplasm of right testis, unspecifi...
        • C62.92 Malignant neoplasm of left testis, unspecifie...
    C62.-
    )
  • malignant neoplasm of thymus (
    ICD-10-CM Diagnosis Code C37

    Malignant neoplasm of thymus

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • malignant carcinoid tumor of the thymus (C7A.091)
    C37
    )
  • malignant neoplasm of thyroid gland (
    ICD-10-CM Diagnosis Code C73

    Malignant neoplasm of thyroid gland

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Use Additional
    • code to identify any functional activity
    C73
    )
  • malignant neuroendocrine tumors (
    ICD-10-CM Diagnosis Code C7A
    • C7A Malignant neuroendocrine tumors
      • C7A.0 Malignant carcinoid tumors
        • C7A.00 Malignant carcinoid tumor of unspecified site...
        • C7A.01 Malignant carcinoid tumors of the small intes...
          • C7A.010 Malignant carcinoid tumor of the duodenum
          • C7A.011 Malignant carcinoid tumor of the jejunum
          • C7A.012 Malignant carcinoid tumor of the ileum
          • C7A.019 Malignant carcinoid tumor of the small intest...
        • C7A.02 Malignant carcinoid tumors of the appendix, l...
          • C7A.020 Malignant carcinoid tumor of the appendix
          • C7A.021 Malignant carcinoid tumor of the cecum
          • C7A.022 Malignant carcinoid tumor of the ascending co...
          • C7A.023 Malignant carcinoid tumor of the transverse c...
          • C7A.024 Malignant carcinoid tumor of the descending c...
          • C7A.025 Malignant carcinoid tumor of the sigmoid colo...
          • C7A.026 Malignant carcinoid tumor of the rectum
          • C7A.029 Malignant carcinoid tumor of the large intest...
        • C7A.09 Malignant carcinoid tumors of other sites
          • C7A.090 Malignant carcinoid tumor of the bronchus and...
          • C7A.091 Malignant carcinoid tumor of the thymus
          • C7A.092 Malignant carcinoid tumor of the stomach
          • C7A.093 Malignant carcinoid tumor of the kidney
          • C7A.094 Malignant carcinoid tumor of the foregut, uns...
          • C7A.095 Malignant carcinoid tumor of the midgut, unsp...
          • C7A.096 Malignant carcinoid tumor of the hindgut, uns...
          • C7A.098 Malignant carcinoid tumors of other sites
      • C7A.1 Malignant poorly differentiated neuroendocrin...
      • C7A.8 Other malignant neuroendocrine tumors
    C7A.-
    )
The following code(s) above C75 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to C75:
  • C00-D49
    2021 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To C75
C74.01 Malignant neoplasm of cortex of right adrenal gland
C74.02 Malignant neoplasm of cortex of left adrenal gland
C74.1 Malignant neoplasm of medulla of adrenal gland
C74.10 Malignant neoplasm of medulla of unspecified adrenal gland
C74.11 Malignant neoplasm of medulla of right adrenal gland
C74.12 Malignant neoplasm of medulla of left adrenal gland
C74.9 Malignant neoplasm of unspecified part of adrenal gland
C74.90 Malignant neoplasm of unspecified part of unspecified adrenal gland
C74.91 Malignant neoplasm of unspecified part of right adrenal gland
C74.92 Malignant neoplasm of unspecified part of left adrenal gland
C75 Malignant neoplasm of other endocrine glands and related structures
C75.0 Malignant neoplasm of parathyroid gland
C75.1 Malignant neoplasm of pituitary gland
C75.2 Malignant neoplasm of craniopharyngeal duct
C75.3 Malignant neoplasm of pineal gland
C75.4 Malignant neoplasm of carotid body
C75.5 Malignant neoplasm of aortic body and other paraganglia
C75.8 Malignant neoplasm with pluriglandular involvement, unspecified
C75.9 Malignant neoplasm of endocrine gland, unspecified
C7A Malignant neuroendocrine tumors
C7A.0 Malignant carcinoid tumors

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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