D35 ICD-10-CM Code: Benign neoplasm of other and unspecified endocrine glands
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Benign neoplasm of other and unspecified endocrine glands is a non-billable ICD-10-CM category code (D35). A more specific billable subcode must be selected for claims submission.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D35 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- benign neoplasm of endocrine pancreas (D13.7)
- benign neoplasm of ovary (D27.-)
- benign neoplasm of testis (D29.2.-)
- benign neoplasm of thymus (D15.0)
Use Additional Code
Supplementary codes the tabular list directs you to add.
- Use additional code to identify any functional activity
Frequently Asked Questions (FAQ) & Clinical Guidance
Can D35 be billed directly?
No. D35 (Benign neoplasm of other and unspecified endocrine glands) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to D35 in its code family, with their registry titles.
- 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
- D35.7 — Benign neoplasm of other specified endocrine glands
- D35.9 — Benign neoplasm of endocrine gland, unspecified