Collaborative Stage for TNM 7 - Revised 01/14/2010 [ 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 one of the following subsites: Laryngopharynx Postcricoid area Posterior pharyngeal wall Pyriform sinus | ERROR | NA | L | L |
| 105 | Tumor confined to mucosa of one of the following subsites: Laryngopharynx Postrcicoid area Posterior pharyngeal wall Pyriform sinus | T3 | NA | L | L |
| 150 | OBSOLETE DATA CONVERTED V0200 Moved to higher code for sequencing in SS mapping, see code 420 Code 100 with tumor fixation | ERROR | ERROR | ERROR | ERROR |
| 200 | OBSOLETE DATA RETAINED V0200 Tumor invades more than one subsite of hypopharynx (listed in code 10) WITHOUT fixation | ERROR | NA | L | L |
| 205 | Tumor involves mucosa of more than one subsite of hypopharynx (listed in code 100) without fixation | T3 | NA | L | L |
| 300 | Localized, NOS | T3 | NA | L | L |
| 310 | Involvement of mucosa of oropharynx, nasopharynx, or larynx | T3 | NA | RE | RE |
| 320 | Stated as T3 NOS with no other information on extension | T3 | NA | L | L |
| 400 | OBSOLETE DATA RETAINED V0200 Oropharynx | ERROR | NA | RE | RE |
| 410 | Involvement of deep soft tissue or musculature of any structure in code 105 or 205 Soft tissue NOS | T4a | NA | L | L |
| 415 | 410 + 310 (Involvement of deep soft tissue or musculature of any structure in code 105 or 205 + Mucosal involvement of any structure in code 310) | T4a | NA | RE | RE |
| 420 | Involvement of any structure in code 105 or 205 with tumor fixation | T4a | NA | RE | RE |
| 430 | Involvement of deep soft tissues or musculature of any structure in code 310 | T4a | NA | RE | RE |
| 450 | OBSOLETE DATA RETAINED V0200 Code 200, 300, or 400 with tumor fixation | ERROR | NA | RE | RE |
| 500 | OBSOLETE DATA RETAINED V0200 Larynx | ERROR | NA | RE | RE |
| 510 | OBSOLETE DATA CONVERTED V0104 See code 450 Any of codes 100-400 WITH fixation of tumor or fixation, NOS | ERROR | ERROR | ERROR | ERROR |
| 550 | Fixation of hemilarynx or larynx | T4a | NA | RE | RE |
| 600 | Central compartment soft tissues of neck including: Prelaryngeal strap muscles Subcutaneous fat | T4a | NA | D | D |
| 610 | Esophagus | T4a | NA | RE | RE |
| 620 | Thyroid gland | T4a | NA | D | RE |
| 630 | Cricoid cartilage Thyroid cartilage Cartilage NOS | T4a | NA | D | RE |
| 635 | Hyoid bone Bone excluding base of skull Bone NOS Overlying skin | T4a | NA | D | D |
| 638 | Stated as T4a with no other information on extension | T4a | NA | L | L |
| 640 | Prevertebral fascia/muscle(s) | T4b | NA | RE | RE |
| 645 | 640 + 635 (Prevertebral fascia/muscles + Any structure in code 635) | T4b | NA | D | D |
| 650 | Carotid artery (encased) | T4b | NA | D | RE |
| 655 | 650 + 635 (Carotid artery + Any structure in code 635) | T4b | NA | D | D |
| 660 | OBSOLETE DATA CONVERTED V0200 See code 635 Hyoid bone | ERROR | ERROR | ERROR | ERROR |
| 700 | Mediastinal structures | T4b | NA | D | D |
| 800 | OBSOLETE DATA RETAINED V0200 Further contiguous extension | ERROR | ERROR | D | D |
| 801 | Further contiguous extension including: Brain Dura Skull base Lower cranial nerves (IX, X, XI, XII) Masticator 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 Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |