Collaborative Stage for TNM 7 - Revised 10/16/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ, intraepithelial, noninvasive | NA | NA | IS | IS |
| 100 | OBSOLETE DATA RETAINED V0200 Invasive tumor confined to: Lamina propria Submucosa | ERROR | NA | L | L |
| 105 | Tumor confined to buccal mucosa | T3 | NA | L | L |
| 200 | OBSOLETE DATA CONVERTED V0200 See code 610 Musculature (buccinator) | ERROR | ERROR | ERROR | ERROR |
| 300 | Localized, NOS | T3 | NA | L | L |
| 400 | Extension involving mucosa only: Lateral pharyngeal wall Lip(s) including commissure Gingiva Tonsillar pillars and fossae Tonsils | T3 | NA | RE | RE |
| 420 | Extension involving mucosa only: Hard palate Soft palate | T3 | NA | D | D |
| 500 | OBSOLETE DATA RETAINED V0200 Lip(s) including commissure | ERROR | NA | RE | RE |
| 510 | OBSOLETE DATA RETAINED V0200 Gingiva | ERROR | NA | RE | RE |
| 550 | Stated as T3 with no other information on extension | T3 | NA | L | L |
| 600 | OBSOLETE DATA RETAINED V0200 Lateral pharyngeal wall Tonsillar pillars and fossae Tonsils | ERROR | NA | L | L |
| 610 | Involvement of deep soft tissue or musculature of cheek (buccinators) Soft tissue, NOS | T4a | NA | RE | L |
| 615 | 610 + 400 Involvement of deep soft tissue or musculature of cheek plus mucosal involvement of any structure in code 400 | T4a | NA | RE | RE |
| 620 | Involvement of deep soft tissue or musculature of any structure in code 400 | T4a | NA | RE | RE |
| 650 | Subcutaneous soft tissue of cheek | T4a | NA | RE | RE |
| 660 | Skin of check WITH or WITHOUT ulceration | T4a | NA | RE | RE |
| 665 | (610 - 660) + 420 Involvement of any structure in codes 610 - 660 plus mucosal involvement of any structure in code 420 | T4a | NA | D | D |
| 670 | OBSOLETE DATA CONVERTED V0200 See code 700 Maxillary sinus | ERROR | ERROR | ERROR | ERROR |
| 690 | Deep soft tissue involvement: Nasal cavity Soft palate Palatine bone | T4a | NA | D | D |
| 700 | Cartilage: Mandible Maxilla Cortical bone: Mandible Maxilla Mandible, NOS Maxilla, NOS Maxillary sinus (antrum) Cartilage, NOS Cortical bone, NOS Bone, NOS excluding palatine bone, base of skull | T4a | NA | D | D |
| 730 | OBSOLETE DATA CONVERTED V0200 See code 790 Skull | ERROR | ERROR | ERROR | ERROR |
| 750 | Deep extrinsic muscle of tongue: Genioglossus Hyoglossus Palatoglossus Styloglossus | T4a | NA | D | D |
| 775 | Stated as T4a with no other information on extension | T4a | NA | L | L |
| 790 | Contiguous extension: Base of skull Carotid artery (encased) Masticator space Pterygoid plates | T4b | NA | D | D |
| 800 | OBSOLETE DATA RETAINED V0200 Further contiguous extension: Hard palate Soft palate | ERROR | NA | D | D |
| 801 | Further contiguous extension: Brain Dura Lower cranial nerves (IX, X, XI, XII) Mediastinal structures Prevertebral space | 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 not stated Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |