Collaborative Stage for TNM 7 - Revised 10/17/2010 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ, intrapeithelial, noninvasive | NA | NA | IS | IS |
| 100 | OBSOLETE DATA RETAINED V0200 Invasive tumor confined to: Labial mucosa (inner lip) Lamina propria Multiple foci Submucosa (superficial invasion) Vermilion surface Superficial extension to: Skin of lip Subcutaneous soft tissue of lip | ERROR | NA | L | L |
| 105 | Tumor confined to mucosa of lower lip: Labial mucosa (inner lip) Vermilion surface | T3 | NA | L | L |
| 200 | OBSOLETE DATA CONVERTED V0200 See code 520 Musculature | ERROR | ERROR | ERROR | ERROR |
| 300 | Localized, NOS | T3 | NA | L | L |
| 400 | Extension involving mucosa only: Buccal mucosa (inner cheek) Commissure (for lower lip) Opposite lip (both lips) | T3 | NA | RE | RE |
| 410 | Extension involving mucosa only: Lower gingiva Gingiva, NOS | T3 | NA | RE | RE |
| 440 | Extension involving mucosa only: Upper gingiva | T3 | NA | D | RE |
| 450 | Extension involving mucosa only: Floor of mouth Tongue | T3 | NA | D | D |
| 470 | Stated as T3 with no other information on extension | T3 | NA | L | L |
| 500 | OBSOLETE DATA RETAINED V0200 Buccal mucosa (inner cheek) Commissure Opposite (both) lip(s) | ERROR | NA | RE | RE |
| 510 | OBSOLETE DATA RETAINED V0200 Gingiva | ERROR | NA | RE | RE |
| 520 | Involvement of deep soft tissue or musculature of lower lip Soft tissue, NOS | T4a | NA | L | L |
| 530 | 520 + (400 or 410) Involvement of deep soft tissue or musculature of lower lip plus mucosal involvement of any structure in code 400 or 410 | T4a | NA | RE | RE |
| 540 | Involvement of deep soft tissue or musculature of any structure in code 400 | T4a | NA | RE | RE |
| 550 | Involvement of deep tissue or periosteum of lower gingiva | T4a | NA | RE | RE |
| 700 | Cartilage of mandible Cortical bone of mandible Mandible, NOS Cartilage, NOS Cortical bone, NOS Bone, NOS except maxilla, base of skull | T4a | NA | RE | RE |
| 705 | (520, 540, or 700) + 440 Involvement of any structure in codes 520 - 700 plus mucosa of upper gingiva | T4a | NA | D | RE |
| 710 | Deep tissue or periosteum of upper gingiva | T4a | NA | D | RE |
| 740 | Skin of nose | T4a | NA | RE | D |
| 743 | 740 + (440 or 710) Skin of nose plus mucosa or deep tissue of upper gingiva | T4a | NA | D | D |
| 745 | (520 - 740) + 450 Involvement of any structure in codes 520 - 740 plus mucosa of floor of mouth or tongue | T4a | NA | D | D |
| 748 | Involvement of deep soft tissue or musculature of floor of mouth or tongue Inferior alveolar nerve | T4a | NA | D | D |
| 750 | OBSOLETE DATA RETAINED V0200 Tongue | ERROR | NA | D | D |
| 755 | Extrinsic muscle of tongue: Genioglossus Hyoglossus Palatoglossus Styloglossus | T4a | NA | D | D |
| 760 | Skin of face/neck | T4a | NA | D | D |
| 765 | Cartilage of maxilla Cortical bone of maxilla Maxilla, NOS | T4a | NA | D | D |
| 770 | OBSOLETE DATA RETAINED V0200 Cortical bone (other than code 700) Floor of mouth Inferior alveolar nerve | ERROR | 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 | ERROR | NA | D | D |
| 801 | Further contiguous extension including: 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 |