Collaborative Stage Data Set - Revised 10/24/2010 FINAL
| 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 anterior surface of epiglottis with normal vocal cord mobility | ERROR | NA | L | L |
| 105 | Tumor confined to mucosa of anterior surface of epiglottis with normal vocal cord mobility | T3 | NA | L | L |
| 200 | Tumor confined to mucosa of adjacent subsite(s) of oropharynx | T3 | NA | L | L |
| 300 | Localized, NOS | T3 | NA | L | L |
| 310 | OBSOLETE DATA RETAINED V0200 Vallecula without fixation of larynx | ERROR | NA | L | L |
| 315 | Tumor confined to mucosa of vallecula WITHOUT fixation of larynx | T3 | NA | L | L |
| 320 | Mucosa of adjacent subsite(s) of supraglottis (including posterior surface of epiglottis) WITHOUT fixation of larynx | T3 | NA | RE | RE |
| 330 | OBSOLETE DATA RETAINED V0200 Larynx, glottic or NOS, without fixation of larynx | ERROR | NA | RE | RE |
| 335 | Mucosa of larynx, glottis or NOS WITHOUT fixation of larynx | T3 | NA | RE | RE |
| 340 | OBSOLETE DATA RETAINED V0200 Pyriform sinus, medial wall or NOS, without fixation of larynx | ERROR | NA | L | L |
| 345 | Mucosa of pyriform sinus, medial wall or NOS WITHOUT fixation of larynx | T3 | NA | L | L |
| 350 | Mucosa of base of tongue WITHOUT fixation of larynx | T3 | NA | RE | RE |
| 351 | Buccal mucosa Mucosa of floor of mouth Mucosa of gum (gingival) | T3 | NA | RE | RE |
| 352 | Stated as T3 with no other information on extension | T3 | NA | L | L |
| 360 | OBSOLETE DATA CONVERTED V0200 See code 365 Any of (100) to (350) with vocal cord fixation | ERROR | ERROR | ERROR | ERROR |
| 363 | Involvement of deep tissue or musculature of any structure in codes 100 - 315 Soft tissue, NOS | T4a | NA | L | L |
| 365 | Involvement of any structure in codes 100 - 350 WITH vocal cord fixation | T4a | NA | RE | RE |
| 368 | Involvement of deep tissue or musculature of any structure in codes 320 - 351 | T4a | NA | RE | RE |
| 370 | Paraglottic space Pre-epiglottic tissues | T4a | NA | RE | RE |
| 380 | Minor thyroid cartilage erosion (inner cortex) | T4a | NA | D | D |
| 390 | Hypopharynx, NOS Postcricoid area Pyriform sinus except medial wall (see code 340) | T4a | NA | RE | RE |
| 430 | 390 + 280 Any structure in 390 + Minor thyroid cartilage erosion | T4a | NA | D | D |
| 450 | Soft palate, inferior surface including uvula, or soft palate, NOS | T4a | NA | RE | RE |
| 470 | Nasopharynx, NOS Soft palate, superior (nasopharyngeal) surface | T4a | NA | RE | RE |
| 500 | OBSOLETE DATA RETAINED V0200 Base of tongue, except mucosa (see code 350) Buccal mucosa (inner cheek) Floor of mouth Gum (gingiva) | ERROR | NA | RE | RE |
| 620 | Soft tissues of neck | T4a | NA | RE | RE |
| 650 | Pterygoid muscle | T4a | NA | RE | RE |
| 660 | 450- to 650 +380 or 430 Any structure in 450 to 650 plus minor thyroid cartilage erosion coded in 380 or 430 | T4a | NA | D | D |
| 670 | Invasion through thyroid cartilage (see also code 380) Thyroid cartilage, NOS Cartilage, NOS | T4a | NA | D | D |
| 680 | Trachea | T4a | NA | D | D |
| 690 | Esophagus Strap muscles: Omohyoid Sternohyoid Sternothyroid Thyrohyoid Thyroid | T4a | NA | D | D |
| 700 | Extrinsic muscles of tongue: Genioglossus Geniohyoid Hyoglossus Mylohyoid Palatoglossus Styloglossus | T4a | NA | D | D |
| 710 | Bone excluding base of skull Bone, NOS Overlying skin Hard palate Anterior two-thirds of tongue Parotid gland | T4a | NA | D | D |
| 725 | Stated as T4a with no other information on extension | T4a | NA | L | L |
| 750 | Prevertebral fascia or muscle Prevertebral space | T4b | NA | D | D |
| 770 | 750 + 660 to 700 Any structure in 750 plus any structure coded in 660 through 700 | T4b | NA | D | D |
| 790 | Contiguous extension: Carotid artery (encased) Mediastinal structures | T4b | NA | D | D |
| 800 | OBSOLETE DATA RETAINED V0200 Further contiguous extension, including: Anterior 2/3 of tongue Bone Encases carotid artery Hard palate Mandible Mediastinal structures Parotid gland | T4b | NA | D | D |
| 801 | Further contiguous extension including: Base of skull Brain Dura 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 not stated Primary tumor cannot be assessed Not documented in patient record | NA | NA | U | U |