C14.8 Malignant neoplasm of overlapping sites of lip, oral cavity and pharynx

Billable ICD-10-CM code, FY2026.

Applicable to

• Primary malignant neoplasm of two or more contiguous sites of lip, oral cavity and pharynx

Excludes1 (never code together)

• 'book leaf' neoplasm [ventral surface of tongue and floor of mouth] (C06.89)

Applies from C14 Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx

Excludes1 (never code together)

• malignant neoplasm of oral cavity NOS (C06.9)

Use additional code

• code to identify:
• alcohol abuse and dependence (F10.-)
• exposure to environmental tobacco smoke (Z77.22)
• exposure to tobacco smoke in the perinatal period (P96.81)
• history of tobacco dependence (Z87.891)
• occupational exposure to environmental tobacco smoke (Z57.31)
• tobacco dependence (F17.-)
• tobacco use (Z72.0)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 21 — Lymphoma and Other Cancers
• CMS-HCC V22: HCC 11 — Colorectal, Bladder, and Other Cancers
• ESRD V24: HCC 11

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 149.8 Malignant neoplasm of other sites within the lip and oral cavity (approximate)
• 149.9 Malignant neoplasm of ill-defined sites within the lip and oral cavity (approximate)

Nearby codes

• C14 Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx
• C14.0 Malignant neoplasm of pharynx, unspecified
• C14.2 Malignant neoplasm of Waldeyer's ring
• C14.8 Malignant neoplasm of overlapping sites of lip, oral cavity and pharynx (this code)