C76 is the authoritative medical code for Malignant neoplasm of other and ill-defined sites. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of other and ill-defined sites (ICD-10-CM C76), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Malignant neoplasm of other and ill-defined sites is a non-billable ICD-10-CM category code C76. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): malignant neoplasm of female genitourinary tract NOS C57.9; malignant neoplasm of male genitourinary tract NOS C63.9; malignant neoplasm of lymphoid, hematopoietic and related tissue C81-C96; malignant neoplasm of skin C44.-; malignant neoplasm of unspecified site NOS C80.1.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for C76 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 neoplasm of female genitourinary tract NOS C57.9
- malignant neoplasm of male genitourinary tract NOS C63.9
- malignant neoplasm of lymphoid, hematopoietic and related tissue C81-C96
- malignant neoplasm of skin C44.-
- malignant neoplasm of unspecified site NOS C80.1
Frequently Asked Questions (FAQ) & Clinical Guidance
Can C76 be billed directly?
No. C76 (Malignant neoplasm of other and ill-defined sites) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with C76?
Per Excludes1 instructions, C76 must not be reported with: malignant neoplasm of female genitourinary tract NOS (C57.9); malignant neoplasm of male genitourinary tract NOS (C63.9); malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96); malignant neoplasm of skin (C44.-).
Codes in This Family (7)
Official ICD-10-CM classifications in the same code family as C76, with their registry titles.
- C76.0 — Malignant neoplasm of head, face and neck
- C76.1 — Malignant neoplasm of thorax
- C76.2 — Malignant neoplasm of abdomen
- C76.3 — Malignant neoplasm of pelvis
- C76.4 — Malignant neoplasm of upper limb
- C76.5 — Malignant neoplasm of lower limb
- C76.8 — Malignant neoplasm of other specified ill-defined sites
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
Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system
ICD Code C75
Malignant neoplasm of other endocrine glands and related structures
ICD Code C77
Secondary and unspecified malignant neoplasm of lymph nodes
ICD Code C78
Secondary malignant neoplasm of respiratory and digestive organs
ICD Code C79
Secondary malignant neoplasm of other and unspecified sites
ICD Code C80
Malignant neoplasm without specification of site