Collaborative Stage for TNM 7 - Revised 01/04/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; noninvasive; intraepithelial | NA | NA | IS | IS |
| 100 | OBSOLETE DATA RETAINED V0200 Invasive tumor confined to lamina propria (mucoperiosteum) (stroma) | ERROR | NA | L | L |
| 105 | Tumor confined to mucosa of upper gingiva | T3 | NA | L | L |
| 300 | Localized, NOS | T3 | NA | L | L |
| 400 | Extension via mucosa to: Inner cheek (buccal mucosa) Floor of mouth Lower lip (labial mucosa) Lip NOS (labial mucosa) Tongue mucosa Lateral pharyngeal wall Tonsillar pillars Tonsillar fossae Tonsils Soft palate including uvula | T3 | NA | RE | RE |
| 440 | Extension via mucosa to upper lip (labial mucosa) | T3 | NA | D | RE |
| 470 | Stated as T3 with no other information on extension | T3 | NA | L | L |
| 500 | OBSOLETE DATA RETAINED V0200 Buccal mucosa (inner cheek) Floor of mouth Labial mucosa (inner lip), lip Tongue | ERROR | NA | RE | RE |
| 510 | Involvement of deep tissue or periosteum of lower gum | T4a | NA | L | L |
| 520 | 510 + 400 (Involvement of deep tissue of lower gum + Mucosal involvement of any structure in code 400) | T4a | NA | RE | RE |
| 530 | Involvement of deep soft tissue or musculature of any structure in code 400 | T4a | NA | RE | RE |
| 550 | Facial muscle, NOS Subcutaneous soft tissue of face | T4a | NA | RE | RE |
| 600 | OBSOLETE DATA RETAINED V0200 Lateral pharyngeal wall Tonsillar pillars and fossae Tonsils | ERROR | NA | RE | RE |
| 700 | Cartilage of mandible Cartilage NOS Cortical bone of mandible Cortical bone NOS Mandible NOS Bone NOS except maxilla, skull base | T4a | NA | RE | RE |
| 720 | Extrinsic muscle of tongue: Genioglossus Hyoglossus Palatoglossus Styloglossus | T4a | NA | RE | RE |
| 725 | (510 through 720) + 440 (Involvement of any structure in codes 510 through 720 + Mucosal involvement of upper lip) | T4a | NA | D | RE |
| 730 | Deep soft tissues or musculature of upper lip | T4a | NA | D | RE |
| 740 | Maxillary sinus Nasal cavity | T4a | NA | D | RE |
| 760 | Skin of face | T4a | NA | D | D |
| 770 | Cartilage of maxilla Cortical bone of maxilla Maxilla NOS Maxillary sinus | T4a | NA | D | D |
| 775 | Stated as T4a with no other information on extension | T4a | NA | L | L |
| 790 | OBSOLETE DATA CONVERTED V0200 See Code 800 Skull | ERROR | ERROR | ERROR | ERROR |
| 800 | Contiguous extension: Pterygoid plates Skull base Masticator space Internal carotid artery (encased) | T4b | NA | D | D |
| 801 | Further contiguous extension including: Brain Dura Lower cranial nerves (IX, X, XI, XII) Prevertebral space Mediastinal structures | T4b | NA | D | D |
| 810 | Stated as T4b with no other information on extension | T4b | NA | D | D |
| 815 | Stated as T4 NOS with no other information on extension | T4NOS | NA | L | L |
| 950 | OBSOLETE DATA RETAINED V0200 No evidence of primary tumor | ERROR | NA | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |