Collaborative Stage for TNM 7 - Revised 10/14/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | In situ; noninvasive; intraepithelial | Tis | Tis | IS | IS |
| 100 | OBSOLETE DATA CONVERTED V0200 See code 130 Invasive tumor with normal vocal cord mobility Confined to glottis, NOS; Intrinsic larynx; Laryngeal commissure(s) anterior, posterior; Vocal cord(s), NOS, true vocal cord(s), true cord(s) | ERROR | ERROR | ERROR | ERROR |
| 110 | One vocal cord with normal vocal cord mobility Stated as T1a with no other information on extension | T1a | T1a | L | L |
| 120 | Both vocal cords with normal vocal cord mobility Stated as T1b with no other information on extension | T1b | T1b | L | L |
| 130 | Invasive tumor with normal vocal cord mobility Confined to glottis, NOS; Intrinsic larynx; Laryngeal commissure(s) anterior, posterior; Vocal cord(s), NOS, true vocal cord(s), true cord(s) Stated as T1 NOS with no other information on extension | T1NOS | T1NOS | L | L |
| 300 | Tumor involves adjacent regions(s) of larynx Subglottis Supraglottis Aryepiglottic fold Arytenoid cartilage Corniculate tubercle Cuneiform tubercle Ventricular bands (false vocal cord(s)) | T2 | T2 | L | L |
| 350 | Impaired vocal cord mobility | T2 | T2 | L | L |
| 375 | Stated as T2 with no other information on extension | T2 | T2 | L | L |
| 400 | Tumor limited to larynx WITH vocal cord fixation Involvement of intrinsic muscle(s) of larynx: Aryepiglottic Arytenoid Cricoarytenoid Cricothyroid Thyroarytenoid Thyroepiglottic Vocalis | T3 | T3 | L | L |
| 450 | Localized, NOS | T1NOS | T1NOS | L | L |
| 510 | Paraglottic space | T3 | T3 | RE | RE |
| 520 | Minor thyroid cartilage erosion (inner cortex) | T3 | T3 | RE | D |
| 530 | Stated as T3 with no other information on extension | T3 | T3 | L | L |
| 600 | Base of tongue Hypopharynx, NOS Pre-epiglottic tissues Postcricoid area Pyriform sinus Vallecula | T4a | T4a | RE | RE |
| 610 | 600 + 520 (Any structure in code 600 + Minor thyroid cartilage erosion) | T4a | T4a | RE | D |
| 680 | Extension to/through Cricoid cartilage Thyroid cartilage except minor erosion, see code 520 | T4a | T4a | RE | D |
| 700 | Extension to/through tissues beyond larynx: Strap muscles Omohyoid Sternohyoid Sternothyroid Thyrohyoid Oropharynx Skin Soft tissue of neck Thyroid gland Trachea | T4a | T4a | D | D |
| 710 | Cervical esophagus | T4a | T4a | D | D |
| 730 | Deep extrinsic muscle(s) of tongue | T4a | T4a | D | D |
| 775 | Stated as T4a with no other information on extension | T4a | T4a | D | D |
| 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 extension | T4b | 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 |