C75.9 is the authoritative medical code for Malignant neoplasm of endocrine gland, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of endocrine gland, unspecified (ICD-10-CM C75.9), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Malignant neoplasm of endocrine gland, unspecified is a billable ICD-10-CM diagnosis code C75.9. Excludes1 (not coded here): malignant carcinoid tumors C7A.0-; malignant neoplasm of adrenal gland C74.-; malignant neoplasm of endocrine pancreas C25.4; malignant neoplasm of islets of Langerhans C25.4; malignant neoplasm of ovary C56.-; malignant neoplasm of testis C62.-; malignant neoplasm of thymus C37; malignant neoplasm of thyroid gland C73; malignant neuroendocrine tumors C7A.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for C75.9 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.
- malignant carcinoid tumors C7A.0-
- malignant neoplasm of adrenal gland C74.-
- malignant neoplasm of endocrine pancreas C25.4
- malignant neoplasm of islets of Langerhans C25.4
- malignant neoplasm of ovary C56.-
- malignant neoplasm of testis C62.-
- malignant neoplasm of thymus C37
- malignant neoplasm of thyroid gland C73
- malignant neuroendocrine tumors C7A.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with C75.9?
Per Excludes1 instructions, C75.9 must not be reported with: malignant carcinoid tumors (C7A.0-); malignant neoplasm of adrenal gland (C74.-); malignant neoplasm of endocrine pancreas (C25.4); malignant neoplasm of islets of Langerhans (C25.4).
Codes in This Family (8)
Official ICD-10-CM classifications in the same code family as C75.9, with their registry titles.
- 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
Neoplasm Table Sites (2)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, endocrine gland NEC — Malignant, Primary
- Neoplasm, neoplastic, gland, glandular (lymphatic) (system), endocrine NEC — Malignant, Primary
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code C72.9
Malignant neoplasm of central nervous system, unspecified
ICD Code C74.9
Malignant neoplasm of unspecified part of adrenal gland
ICD Code C77.9
Secondary and unspecified malignant neoplasm of lymph node, unspecified