ICD-10-CM-tabular April 1 2023

Malignant neoplasms (C00-C96)

Malignant neoplasms, stated or presumed to be primary (of specified sites), and certain specified histologies, except neuroendocrine, and of lymphoid, hematopoietic and related tissue (C00-C75)

Malignant neoplasms of lip, oral cavity and pharynx (C00-C14) C00 Malignant neoplasm of lip

Use additional code to identify:
alcohol abuse and dependence (F10.-)

history of tobacco dependence (Z87.891) tobacco dependence (F17.-)
tobacco use (Z72.0)

Excludes1: malignant melanoma of lip (C43.0) Merkel cell carcinoma of lip (C4A.0)

other and unspecified malignant neoplasm of skin of lip (C44.0-)

C00.0 Malignant neoplasm of external upper lip

Malignant neoplasm of lipstick area of upper lip Malignant neoplasm of upper lip NOS
Malignant neoplasm of vermilion border of upper lip

C00.1 Malignant neoplasm of external lower lip

Malignant neoplasm of lower lip NOS
Malignant neoplasm of lipstick area of lower lip Malignant neoplasm of vermilion border of lower lip

C00.2 Malignant neoplasm of external lip, unspecified

Malignant neoplasm of vermilion border of lip NOS

C00.3 Malignant neoplasm of upper lip, inner aspect

Malignant neoplasm of buccal aspect of upper lip Malignant neoplasm of frenulum of upper lip Malignant neoplasm of mucosa of upper lip Malignant neoplasm of oral aspect of upper lip

C00.4 Malignant neoplasm of lower lip, inner aspect

Malignant neoplasm of buccal aspect of lower lip Malignant neoplasm of frenulum of lower lip Malignant neoplasm of mucosa of lower lip Malignant neoplasm of oral aspect of lower lip

C00.5 Malignant neoplasm of lip, unspecified, inner aspect

Malignant neoplasm of buccal aspect of lip, unspecified Malignant neoplasm of frenulum of lip, unspecified Malignant neoplasm of mucosa of lip, unspecified Malignant neoplasm of oral aspect of lip, unspecified

C00.6 Malignant neoplasm of commissure of lip, unspecified

8. C00.8  Malignant neoplasm of overlapping sites of lip
9. C00.9  Malignant neoplasm of lip, unspecified

1. C01  Malignant neoplasm of base of tongue Malignant neoplasm of dorsal surface of base of tongue Malignant neoplasm of fixed part of tongue NOS Malignant neoplasm of posterior third of tongue Use additional code to identify:
   alcohol abuse and dependence (F10.-) history of tobacco dependence (Z87.891) tobacco dependence (F17.-)
   tobacco use (Z72.0)
2. C02  Malignant neoplasm of other and unspecified parts of tongue Use additional code to identify:
   alcohol abuse and dependence (F10.-) history of tobacco dependence (Z87.891) tobacco dependence (F17.-)
   tobacco use (Z72.0) C02.0 Malignant neoplasm of dorsal surface of tongue

Malignant neoplasm of anterior two-thirds of tongue, dorsal surface

Excludes2: malignant neoplasm of dorsal surface of base of tongue (C01) C02.1 Malignant neoplasm of border of tongue

Malignant neoplasm of tip of tongue

C02.2 Malignant neoplasm of ventral surface of tongue

Malignant neoplasm of anterior two-thirds of tongue, ventral surface Malignant neoplasm of frenulum linguae

C02.3 Malignant neoplasm of anterior two-thirds of tongue, part unspecified

Malignant neoplasm of middle third of tongue NOS Malignant neoplasm of mobile part of tongue NOS

C02.4 Malignant neoplasm of lingual tonsil
Excludes2: malignant neoplasm of tonsil NOS (C09.9)

C02.8 Malignant neoplasm of overlapping sites of tongue

Malignant neoplasm of two or more contiguous sites of tongue

C02.9 Malignant neoplasm of tongue, unspecified

3. C03  Malignant neoplasm of gum Includes: malignant neoplasm of alveolar (ridge) mucosa malignant neoplasm of gingiva Use additional code to identify:
   alcohol abuse and dependence (F10.-) history of tobacco dependence (Z87.891) tobacco dependence (F17.-)
   tobacco use (Z72.0) Excludes2: malignant odontogenic neoplasms (C41.0-C41.1) C03.0 Malignant neoplasm of upper gum
   C03.1 Malignant neoplasm of lower gum
   C03.9 Malignant neoplasm of gum, unspecified
4. C04  Malignant neoplasm of floor of mouth Use additional code to identify:
   alcohol abuse and dependence (F10.-) history of tobacco dependence (Z87.891) tobacco dependence (F17.-)
   tobacco use (Z72.0) C04.0 Malignant neoplasm of anterior floor of mouth Malignant neoplasm of anterior to the premolar-canine junction C04.1 Malignant neoplasm of lateral floor of mouth
   C04.8 Malignant neoplasm of overlapping sites of floor of mouth C04.9 Malignant neoplasm of floor of mouth, unspecified
5. C05  Malignant neoplasm of palate Use additional code to identify:
   alcohol abuse and dependence (F10.-)

history of tobacco dependence (Z87.891)

tobacco dependence (F17.-) tobacco use (Z72.0)

Excludes1: Kaposi’s sarcoma of palate (C46.2)

0. C05.0  Malignant neoplasm of hard palate
1. C05.1  Malignant neoplasm of soft palate Excludes2: malignant neoplasm of nasopharyngeal surface of soft palate (C11.3)
2. C05.2  Malignant neoplasm of uvula

8. C05.8  Malignant neoplasm of overlapping sites of palate
9. C05.9  Malignant neoplasm of palate, unspecified Malignant neoplasm of roof of mouth

C06 Malignant neoplasm of other and unspecified parts of mouth

Use additional code to identify:
alcohol abuse and dependence (F10.-)

history of tobacco dependence (Z87.891) tobacco dependence (F17.-)
tobacco use (Z72.0)

C06.0 Malignant neoplasm of cheek mucosa

Malignant neoplasm of buccal mucosa NOS Malignant neoplasm of internal cheek

C06.1 Malignant neoplasm of vestibule of mouth

Malignant neoplasm of buccal sulcus (upper) (lower) Malignant neoplasm of labial sulcus (upper) (lower)

C06.2 Malignant neoplasm of retromolar area

8. C06.8  Malignant neoplasm of overlapping sites of other and unspecified parts of mouth C06.80 Malignant neoplasm of overlapping sites of unspecified parts of mouth C06.89 Malignant neoplasm of overlapping sites of other parts of mouth ‘book leaf’ neoplasm [ventral surface of tongue and floor of mouth]
9. C06.9  Malignant neoplasm of mouth, unspecified Malignant neoplasm of minor salivary gland, unspecified site Malignant neoplasm of oral cavity NOS

7. C07  Malignant neoplasm of parotid gland Use additional 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)
8. C08  Malignant neoplasm of other and unspecified major salivary glands Includes: malignant neoplasm of salivary ducts
   Use additional 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)

Excludes1: malignant neoplasms of specified minor salivary glands which are classified according to their anatomical location

Excludes2: malignant neoplasms of minor salivary glands NOS (C06.9) malignant neoplasm of parotid gland (C07)

C08.0 Malignant neoplasm of submandibular gland

Malignant neoplasm of submaxillary gland

C08.1 Malignant neoplasm of sublingual gland
C08.9 Malignant neoplasm of major salivary gland, unspecified

Malignant neoplasm of salivary gland (major) NOS

9. C09  Malignant neoplasm of tonsil Use additional 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) Excludes2: malignant neoplasm of lingual tonsil (C02.4) malignant neoplasm of pharyngeal tonsil (C11.1) C09.0 Malignant neoplasm of tonsillar fossa
   C09.1 Malignant neoplasm of tonsillar pillar (anterior) (posterior) C09.8 Malignant neoplasm of overlapping sites of tonsil C09.9 Malignant neoplasm of tonsil, unspecified Malignant neoplasm of tonsil NOS Malignant neoplasm of faucial tonsils Malignant neoplasm of palatine tonsils
10. C10  Malignant neoplasm of oropharynx Use additional 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) Excludes2: malignant neoplasm of tonsil (C09.-) C10.0 Malignant neoplasm of vallecula

C10.1 Malignant neoplasm of anterior surface of epiglottis

Malignant neoplasm of epiglottis, free border [margin] Malignant neoplasm of glossoepiglottic fold(s)

Excludes2: malignant neoplasm of epiglottis (suprahyoid portion) NOS (C32.1)

2. C10.2  Malignant neoplasm of lateral wall of oropharynx
3. C10.3  Malignant neoplasm of posterior wall of oropharynx
4. C10.4  Malignant neoplasm of branchial cleft Malignant neoplasm of branchial cyst [site of neoplasm]

C10.8 Malignant neoplasm of overlapping sites of oropharynx

Malignant neoplasm of junctional region of oropharynx

C10.9 Malignant neoplasm of oropharynx, unspecified

11. C11  Malignant neoplasm of nasopharynxUse additional code to identify:
    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) C11.0 Malignant neoplasm of superior wall of nasopharynx Malignant neoplasm of roof of nasopharynx C11.1 Malignant neoplasm of posterior wall of nasopharynx Malignant neoplasm of adenoid Malignant neoplasm of pharyngeal tonsil C11.2 Malignant neoplasm of lateral wall of nasopharynx Malignant neoplasm of fossa of Rosenmüller Malignant neoplasm of opening of auditory tube Malignant neoplasm of pharyngeal recess C11.3 Malignant neoplasm of anterior wall of nasopharynx Malignant neoplasm of floor of nasopharynx
    Malignant neoplasm of nasopharyngeal (anterior) (posterior) surface of soft palate Malignant neoplasm of posterior margin of nasal choana
    Malignant neoplasm of posterior margin of nasal septum
    8. C11.8  Malignant neoplasm of overlapping sites of nasopharynx
    9. C11.9  Malignant neoplasm of nasopharynx, unspecified Malignant neoplasm of nasopharyngeal wall NOS
12. C12  Malignant neoplasm of pyriform sinus Malignant neoplasm of pyriform fossa Use additional code to identify:
    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)

C13 Malignant neoplasm of hypopharynx

Use additional code to identify:
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)
Excludes2: malignant neoplasm of pyriform sinus (C12)

C13.0 Malignant neoplasm of postcricoid region

C13.1 Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect

Malignant neoplasm of aryepiglottic fold, marginal zone Malignant neoplasm of aryepiglottic fold NOS
Malignant neoplasm of interarytenoid fold, marginal zone Malignant neoplasm of interarytenoid fold NOS

Excludes2: malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect (C32.1) C13.2 Malignant neoplasm of posterior wall of hypopharynx

8. C13.8  Malignant neoplasm of overlapping sites of hypopharynx
9. C13.9  Malignant neoplasm of hypopharynx, unspecified Malignant neoplasm of hypopharyngeal wall NOS

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

Use additional 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)

Excludes1: malignant neoplasm of oral cavity NOS (C06.9)

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

Primary malignant neoplasm of two or more contiguous sites of lip, oral cavity and pharynx Excludes1: ‘book leaf’ neoplasm [ventral surface of tongue and floor of mouth] (C06.89)

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