C78.89 vs C83

C78.89 (Secondary malignant neoplasm of other digestive organs) compared with C83 (Non-follicular lymphoma), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. C83 carries an Excludes2 note covering C78.89: “secondary neoplasm of spleen (C78.89)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	C78.89Secondary malignant neoplasm of other digestive organs	C83Non-follicular lymphoma
Billing status	Billable	Non-billable header Report instead: C83.00, C83.01, C83.02, C83.03, C83.04
Classification	C00-D49 — Neoplasms (C00-D49)	C00-D49 — Neoplasms (C00-D49)
Definition	Secondary malignant neoplasm of other digestive organs is a billable ICD-10-CM diagnosis code (C78.89).	Non-follicular lymphoma is a non-billable ICD-10-CM category code (C83).

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources