2021

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. D10-D36 Benign neoplasms, except benign neuroendocrine tumors
    4. ›
  4. D35- Benign neoplasm of other and unspecified endocrine glands
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code D35

2021 ICD-10-CM Diagnosis Code D35

Benign neoplasm of other and unspecified endocrine glands

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • D35 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM D35 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of D35 - other international versions of ICD-10 D35 may differ.
Use Additional
Use Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • code to identify any functional activity
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 D35. 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.
  • benign neoplasm of endocrine pancreas (
    ICD-10-CM Diagnosis Code D13.7

    Benign neoplasm of endocrine pancreas

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Islet cell tumor
    • Benign neoplasm of islets of Langerhans
    Use Additional
    • code to identify any functional activity.
    D13.7
    )
  • benign neoplasm of ovary (
    ICD-10-CM Diagnosis Code D27
    • D27 Benign neoplasm of ovary
      • D27.0 Benign neoplasm of right ovary
      • D27.1 Benign neoplasm of left ovary
      • D27.9 Benign neoplasm of unspecified ovary
    D27.-
    )
  • benign neoplasm of testis (
    ICD-10-CM Diagnosis Code D29.2

    Benign neoplasm of testis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Use Additional
    • code to identify any functional activity.
    D29.2.-
    )
  • benign neoplasm of thymus (
    ICD-10-CM Diagnosis Code D15.0

    Benign neoplasm of thymus

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Type 1 Excludes
    • benign carcinoid tumor of the thymus (D3A.091)
    D15.0
    )
The following code(s) above D35 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 D35:
  • 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 D35
D32.9 Benign neoplasm of meninges, unspecified
D33 Benign neoplasm of brain and other parts of central nervous system
D33.0 Benign neoplasm of brain, supratentorial
D33.1 Benign neoplasm of brain, infratentorial
D33.2 Benign neoplasm of brain, unspecified
D33.3 Benign neoplasm of cranial nerves
D33.4 Benign neoplasm of spinal cord
D33.7 Benign neoplasm of other specified parts of central nervous system
D33.9 Benign neoplasm of central nervous system, unspecified
D34 Benign neoplasm of thyroid gland
D35 Benign neoplasm of other and unspecified endocrine glands
D35.0 Benign neoplasm of adrenal gland
D35.00 Benign neoplasm of unspecified adrenal gland
D35.01 Benign neoplasm of right adrenal gland
D35.02 Benign neoplasm of left adrenal gland
D35.1 Benign neoplasm of parathyroid gland
D35.2 Benign neoplasm of pituitary gland
D35.3 Benign neoplasm of craniopharyngeal duct
D35.4 Benign neoplasm of pineal gland
D35.5 Benign neoplasm of carotid body
D35.6 Benign neoplasm of aortic body and other paraganglia

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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