Chapter II
Neoplasms
(C00-D48)

Malignant neoplasms
(C00-C97)

Coding-Hint
Use additional code ( U85) , if desired, to identify resistance, non-responsiveness and refractive properties of the neoplasm to antineoplastic drugs.

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

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

C00 Malignant neoplasm of lip

Excl.:
skin of lip ( C43.0, C44.0)
C00.0 External upper lip
Incl.:
Upper lip:
  • NOS
  • lipstick area
  • vermilion border
C00.1 External lower lip
Incl.:
Lower lip:
  • NOS
  • lipstick area
  • vermilion border
C00.2 External lip, unspecified
Incl.:
Vermilion border NOS
C00.3 Upper lip, inner aspect
Incl.:
Upper lip:
  • buccal aspect
  • frenulum
  • mucosa
  • oral aspect
C00.4 Lower lip, inner aspect
Incl.:
Lower lip:
  • buccal aspect
  • frenulum
  • mucosa
  • oral aspect
C00.5 Lip, unspecified, inner aspect
Incl.:
Lip, not specified whether upper or lower:
  • buccal aspect
  • frenulum
  • mucosa
  • oral aspect
C00.6 Commissure of lip
C00.8 Overlapping lesion of lip
Additional Text
[See note 5 at the beginning of this chapter]
C00.9 Lip, unspecified

C01 Malignant neoplasm of base of tongue

Incl.:
Dorsal surface of base of tongue
Fixed part of tongue NOS
Posterior third of tongue

C02 Malignant neoplasm of other and unspecified parts of tongue

C02.0 Dorsal surface of tongue
Incl.:
Anterior two-thirds of tongue, dorsal surface
Excl.:
dorsal surface of base of tongue ( C01)
C02.1 Border of tongue
Incl.:
Tip of tongue
C02.2 Ventral surface of tongue
Incl.:
Anterior two-thirds of tongue, ventral surface
Frenulum linguae
C02.3 Anterior two-thirds of tongue, part unspecified
Incl.:
Middle third of tongue NOS
Mobile part of tongue NOS
C02.4 Lingual tonsil
Excl.:
tonsil NOS ( C09.9)
C02.8 Overlapping lesion of tongue
Additional Text
[See note 5 at the beginning of this chapter]
Incl.:
Malignant neoplasm of tongue whose point of origin cannot be classified to any one of the categories C01-C02.4
C02.9 Tongue, unspecified

C03 Malignant neoplasm of gum

Incl.:
alveolar (ridge) mucosa
gingiva
Excl.:
malignant odontogenic neoplasms ( C41.0-C41.1)
C03.0 Upper gum
C03.1 Lower gum
C03.9 Gum, unspecified

C04 Malignant neoplasm of floor of mouth

C04.0 Anterior floor of mouth
Incl.:
Anterior to the premolar-canine junction
C04.1 Lateral floor of mouth
C04.8 Overlapping lesion of floor of mouth
Additional Text
[See note 5 at the beginning of this chapter]
C04.9 Floor of mouth, unspecified

C05 Malignant neoplasm of palate

C05.0 Hard palate
C05.1 Soft palate
Excl.:
nasopharyngeal surface of soft palate ( C11.3)
C05.2 Uvula
C05.8 Overlapping lesion of palate
Additional Text
[See note 5 at the beginning of this chapter]
C05.9 Palate, unspecified
Incl.:
Roof of mouth

C06 Malignant neoplasm of other and unspecified parts of mouth

C06.0 Cheek mucosa
Incl.:
Buccal mucosa NOS
Internal cheek
C06.1 Vestibule of mouth
Incl.:
Buccal sulcus (upper)(lower)
Labial sulcus (upper)(lower)
C06.2 Retromolar area
C06.8 Overlapping lesion of other and unspecified parts of mouth
Additional Text
[See note 5 at the beginning of this chapter]
C06.9 Mouth, unspecified
Incl.:
Minor salivary gland, unspecified site
Oral cavity NOS

C07 Malignant neoplasm of parotid gland

C08 Malignant neoplasm of other and unspecified major salivary glands

Excl.:
malignant neoplasms of specified minor salivary glands which are classified according to their anatomical location
malignant neoplasms of minor salivary glands NOS ( C06.9)
parotid gland ( C07)
C08.0 Submandibular gland
Incl.:
Submaxillary gland
C08.1 Sublingual gland
C08.8 Overlapping lesion of major salivary glands
Additional Text
[See note 5 at the beginning of this chapter]
Incl.:
Malignant neoplasm of major salivary glands whose point of origin cannot be classified to any one of the categories C07-C08.1
C08.9 Major salivary gland, unspecified
Incl.:
Salivary gland (major) NOS

C09 Malignant neoplasm of tonsil

Excl.:
lingual tonsil ( C02.4)
pharyngeal tonsil ( C11.1)
C09.0 Tonsillar fossa
C09.1 Tonsillar pillar (anterior)(posterior)
C09.8 Overlapping lesion of tonsil
Additional Text
[See note 5 at the beginning of this chapter]
C09.9 Tonsil, unspecified
Incl.:
Tonsil:
  • NOS
  • faucial
  • palatine

C10 Malignant neoplasm of oropharynx

Excl.:
tonsil ( C09.-)
C10.0 Vallecula
C10.1 Anterior surface of epiglottis
Incl.:
Epiglottis, free border [margin]
Glossoepiglottic fold(s)
Excl.:
epiglottis (suprahyoid portion) NOS ( C32.1)
C10.2 Lateral wall of oropharynx
C10.3 Posterior wall of oropharynx
C10.4 Branchial cleft
Incl.:
Branchial cyst [site of neoplasm]
C10.8 Overlapping lesion of oropharynx
Additional Text
[See note 5 at the beginning of this chapter]
Incl.:
Junctional region of oropharynx
C10.9 Oropharynx, unspecified

C11 Malignant neoplasm of nasopharynx

C11.0 Superior wall of nasopharynx
Incl.:
Roof of nasopharynx
C11.1 Posterior wall of nasopharynx
Incl.:
Adenoid
Pharyngeal tonsil
C11.2 Lateral wall of nasopharynx
Incl.:
Fossa of Rosenmüller
Opening of auditory tube
Pharyngeal recess
C11.3 Anterior wall of nasopharynx
Incl.:
Floor of nasopharynx
Nasopharyngeal (anterior)(posterior) surface of soft palate
Posterior margin of nasal:
  • choana
  • septum
C11.8 Overlapping lesion of nasopharynx
Additional Text
[See note 5 at the beginning of this chapter]
C11.9 Nasopharynx, unspecified
Incl.:
Nasopharyngeal wall NOS

C12 Malignant neoplasm of piriform sinus

Incl.:
Piriform fossa

C13 Malignant neoplasm of hypopharynx

Excl.:
piriform sinus ( C12)
C13.0 Postcricoid region
C13.1 Aryepiglottic fold, hypopharyngeal aspect
Incl.:
Aryepiglottic fold:
  • NOS
  • marginal zone
Excl.:
aryepiglottic fold, laryngeal aspect ( C32.1)
C13.2 Posterior wall of hypopharynx
C13.8 Overlapping lesion of hypopharynx
Additional Text
[See note 5 at the beginning of this chapter]
C13.9 Hypopharynx, unspecified
Incl.:
Hypopharyngeal wall NOS

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

Excl.:
oral cavity NOS ( C06.9)
C14.0 Pharynx, unspecified
C14.2 Waldeyer ring
C14.8 Overlapping lesion of lip, oral cavity and pharynx
Additional Text
[See note 5 at the beginning of this chapter]
Incl.:
Malignant neoplasm of lip, oral cavity and pharynx whose point of origin cannot be classified to any one of the categories C00-C14.2