D11.9 vs D37.039

D11.9 (Benign neoplasm of major salivary gland, unspecified) compared with D37.039 (Neoplasm of uncertain behavior of the major salivary glands, unspecified), from the official CMS tabular data. D11.9 and D37.039 name the same anatomical site (salivary gland or duct) with a different neoplasm behavior.

Relationship

Informational

Neoplasm table relationship

D11.9

Benign neoplasm of major salivary gland, unspecified

↔

D37.039

Neoplasm of uncertain behavior of the major salivary glands, unspecified

Same anatomical site, different neoplasm behavior.

Same site — uncertain behavior (salivary gland or duct)

The behavior documented for the site — malignant primary, secondary, carcinoma in situ, benign, uncertain or unspecified — decides which column of the neoplasm table, and therefore which code, applies.

Source: CMS Table of Neoplasms

Can these codes be reported together?

Same site, different neoplasm behavior. D11.9 and D37.039 name the same anatomical site (salivary gland or duct) with a different neoplasm behavior.

From the CMS Table of Neoplasms: the behavior documented for that site — malignant primary, secondary, carcinoma in situ, benign, uncertain or unspecified — decides which column, and therefore which code, applies.

Side by side

	D11.9Benign neoplasm of major salivary gland, unspecified	D37.039Neoplasm of uncertain behavior of the major salivary glands, unspecified
Billing status	Billable	Billable
Classification	C00-D49 — Neoplasms (C00-D49)	C00-D49 — Neoplasms (C00-D49)
Definition	Benign neoplasm of major salivary gland, unspecified is a billable ICD-10-CM diagnosis code (D11.9).	Neoplasm of uncertain behavior of the major salivary glands, unspecified is a billable ICD-10-CM diagnosis code (D37.039).

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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