C7A.8
Billable codeOther malignant neuroendocrine tumors
The ICD-10 code for other malignant neuroendocrine tumors is C7A.8.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C7A.0Malignant carcinoid tumorsnon-billable header
- C7A.1Malignant poorly differentiated neuroendocrine tumors
- C7A.8Other malignant neuroendocrine tumors
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 20930Approximate match
Associated MS-DRGs
C7A.8 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 814Reticuloendothelial and Immunity Disorders with MCC
- DRG 815Reticuloendothelial and Immunity Disorders with CC
- DRG 816Reticuloendothelial and Immunity Disorders without CC/MCC
- DRG 826Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC
- DRG 827Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with CC
- DRG 828Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures without CC/MCC
- DRG 829Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures with CC/MCC
- DRG 830Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures without CC/MCC
- DRG 843Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with MCC
- DRG 844Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with CC
- DRG 845Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses without CC/MCC