D37: Neoplasm of uncertain behavior of oral cavity and digestive organs

Codes under D37 (Neoplasm of uncertain behavior of oral cavity and digestive organs). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
D37.0	Neoplasm of uncertain behavior of lip, oral cavity and pharynx	—
D37.01	Neoplasm of uncertain behavior of lip	✓
D37.1	Neoplasm of uncertain behavior of stomach	✓
D37.02	Neoplasm of uncertain behavior of tongue	✓
D37.2	Neoplasm of uncertain behavior of small intestine	✓
D37.03	Neoplasm of uncertain behavior of the major salivary glands	—
D37.3	Neoplasm of uncertain behavior of appendix	✓
D37.04	Neoplasm of uncertain behavior of the minor salivary glands	✓
D37.4	Neoplasm of uncertain behavior of colon	✓
D37.05	Neoplasm of uncertain behavior of pharynx	✓
D37.5	Neoplasm of uncertain behavior of rectum	✓
D37.6	Neoplasm of uncertain behavior of liver, gallbladder and bile ducts	✓
D37.8	Neoplasm of uncertain behavior of other specified digestive organs	✓
D37.09	Neoplasm of uncertain behavior of other specified sites of the oral cavity	✓
D37.9	Neoplasm of uncertain behavior of digestive organ, unspecified	✓
D37.030	Neoplasm of uncertain behavior of the parotid salivary glands	✓
D37.031	Neoplasm of uncertain behavior of the sublingual salivary glands	✓
D37.032	Neoplasm of uncertain behavior of the submandibular salivary glands	✓
D37.039	Neoplasm of uncertain behavior of the major salivary glands, unspecified	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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