Collaborative Stage for TNM 7 - Revised 12/22/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; noninvasive; intraepithelial | Tis | Tis | IS | IS |
| 100 | Invasive tumor with normal vocal cord mobility confined to: Supraglottis (one subsite): Aryepiglottic fold Arytenoid cartilage Corniculate cartilage Cuneiform cartilage Epilarynx, NOS False cords Ventricular bands Ventricular cavity Ventricular fold Infrahyoid epiglottis Laryngeal cartilage, NOS Laryngeal (posterior) surface of epiglottis Suprahyoid epiglottis (including tip, lingual {anterior} and laryngeal surfaces) Stated as T1 with no further information on extension | T1 | T1 | L | L |
| 200 | Tumor involves more than one subsite of supraglottis as listed in code 100 WITHOUT fixation of larynx or NOS | T2 | T2 | L | L |
| 230 | Tumor involves glottis WITHOUT fixation of larynx or NOS | T2 | T2 | L | L |
| 250 | Involvement of any structures in supraglottic larynx (code 100) and larynx with impaired vocal cord mobility | T2 | T2 | L | L |
| 300 | OBSOLETE DATA RETAINED V0200 Tumor involves adjacent region(s) of larynx | ERROR | T2 | L | L |
| 320 | Tumor involves regions outside supraglottis, including: Mucosa of base of tongue Vallecula Medial wall of pyriform sinus WITHOUT fixation of larynx or NOS | T2 | T2 | RE | RE |
| 350 | OBSOLETE DATA RETAINED V0200 Impaired mobility split between codes 250 and 360, improved mapping Impaired vocal cord mobility | T2 | T2 | L | L |
| 360 | Involvement of any structures in code 320 with impaired vocal cord mobility | T2 | T2 | RE | RE |
| 375 | Stated as T2 with no other information on extension | T2 | T2 | L | L |
| 390 | Involvement of subglottis WITHOUT vocal cord fixation | T3 | T3 | L | L |
| 395 | 390 + 320 (Subglottis + any structure in code 320 WITHOUT vocal cord fixation) | T3 | T3 | RE | RE |
| 400 | Involvement of any structures in supraglottis (code 100), glottis, and subglottis WITH vocal cord fixation | T3 | T3 | L | L |
| 450 | Localized, NOS | T1 | T1 | L | L |
| 520 | Paraglottic space WITHOUT vocal cord fixation | T3 | T3 | RE | RE |
| 600 | OBSOLETE DATA RETAINED V0200 Improved mapping, see code 320 Tumor involves region outside the supraglottis WITHOUT fixation, including: Medial wall pyriform sinus Mucosa of base of tongue Vallecula | ERROR | T2 | RE | RE |
| 620 | OBSOLETE DATA RETAINED V0200 Code 600 WITH fixation | ERROR | T3 | RE | RE |
| 625 | Involvement of any structures in codes 320 or 520 WITH vocal cord fixation | T3 | T3 | RE | RE |
| 650 | Hypopharynx, NOS Postcricoid area Pre-epiglottic tissues | T3 | T3 | RE | RE |
| 660 | Deep base of tongue | T3 | T3 | RE | RE |
| 670 | OBSOLETE DATA CONVERTED V0200 See code 690 Cricoid cartilage | ERROR | ERROR | ERROR | ERROR |
| 680 | Minor thyroid cartilage erosion (e.g., inner cortex) | T3 | T3 | RE | D |
| 685 | Stated as T3 with no other information on extension | T3 | T3 | RE | RE |
| 690 | Cricoid cartilage | T4a | T4a | RE | RE |
| 695 | 690 + 680 (Cricoid cartilage + Minor thyroid cartilage erosion) | T4a | T4a | RE | D |
| 700 | Extension to/through: Esophagus Oropharynx Soft tissues of neck Thyroid cartilage (except minor erosion, see code 680) Thyroid gland | T4a | T4a | D | D |
| 720 | Extension to/through: Strap muscle(s) Omohyoid Sternohyoid Sternothyroid Thyrohyoid Skin | T4a | T4a | D | D |
| 730 | Extension to/through: Deep extrinsic muscle of tongue Trachea | T4a | T4a | D | D |
| 735 | Stated as T4a with no other information on extension | T4a | T4a | RE | RE |
| 800 | Further contiguous extension, including: Mediastinal structures Prevertebral space Carotid artery (encased) | T4b | T4b | D | D |
| 810 | Stated as T4b with no other information on extesnion | ERROR | T4b | D | D |
| 815 | Stated as T4 NOS with no other information on extension | T4NOS | T4NOS | RE | RE |
| 950 | No evidence of primary tumor | T0 | T0 | U | U |
| 999 | Unknown extension Primary tumor cannot be assessed Not documented in patient record | TX | TX | U | U |