C7A.010
Billable codeMalignant carcinoid tumor of the duodenum
The ICD-10 code for malignant carcinoid tumor of the duodenum is C7A.010.
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.011Malignant carcinoid tumor of the jejunum
- C7A.012Malignant carcinoid tumor of the ileum
- C7A.019Malignant carcinoid tumor of the small intestine, unspecified portion
- C7A.010Malignant carcinoid tumor of the duodenum
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 20901
Associated MS-DRGs
C7A.010 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.