Collaborative Stage for TNM 7 - Revised 11/12/2010  [ Schema ]

FloorMouth

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000In situ, intraepithelial, noninvasiveTisTisISIS
100Invasive tumor on one side confined to:
    Lamina propria
    Submucosa
^*LL
300Localized, NOS^*LL
400Tumor crosses midline^*LL
405Stated as T1 with no other information on extension^*LL
410Stated as T2 with no other information on extension.^*LL
415Stated as T3 with no other information on extension^*LL
500Anterior 2/3 of tongue
Base of tongue
Gingiva (alveolar ridge), lower
Periosteum of mandible
^*RERE
530Sublingual gland, including ducts
Submandibular (submaxillary) glands, including ducts
^*RERE
535Cortical bone of mandible
Mandible, NOS
Cartilage, NOS
Cortical bone, NOS (not specified in higher codes)
Bone, NOS (not specified in higher codes)
^*RERE
545Cortical bone of maxilla
Maxilla, NOS
^*DD
550Subcutaneous soft tissue of chin/neck^*RERE
600Epiglottis
Glossoepiglottic fold
Glossopharyngeal sulcus
Lateral pharyngeal wall
Pharyngeal (lingual) surface
Pharyngoepiglottic fold
Tonsillar pillars and fossae
Tonsils
Vallecula
^*RERE
603600 +550^*RERE
605(550 or 600) + 545

Any structure in code 550 or 600 plus any structure in code 545
^*DD
620Deep (extrinsic) muscle of tongue:
    Genioglossus
    Geniohyoid
    Hyoglossus
    Mylohyoid
    Palatoglossus
    Styloglossus
T4aT4aLL
630OBSOLETE DATA RETAINED V0200

(620) + any of (500, 530, or 600)
ERRORT4aRERE
635620 + (500, 530, 535, 550, or 600)

Any structure in code 620 plus any structure in code 500, 530, 535, or 600
T4aT4aRERE
640OBSOLETE DATA CONVERTED V0200
Assign to T1-3 category per site curator, see code 550

Subcutaneous soft tissue of chin/neck
ERRORERRORERRORERROR
645620 + 545

Any structure in code 620 plus any structure in code 545
T4aT4aDD
700OBSOLETE DATA REVIEWED AND CHANGED V0203
CSv2 codes differentiate between involvement of cortical bone and trabecular bone.  All CSv1 cases should be reviewed and recoded to 535, 635, 725, or 765 as appropriate.

Mandible
ERRORERRORERRORERROR
725Trabecular bone of mandibleT4aT4aRERE
760Skin of undersurface of chin/neckT4aT4aRERE
765(725 or 760) + 545

Any structure in code 725 or 760 plus any structure in code 545
T4aT4aDD
770OBSOLETE DATA REVIEWED AND CHANGED V0203
CSv2 codes differentiate between involvement of cortical bone and trabecular bone.  All CSv1 cases should be reviewed and recoded to 545, 605, 645, 765, or 775 as appropriate

Maxillary sinus
ERRORERRORERRORERROR
775Trabecular bone of maxilla
Maxillary sinus (antrum)
T4aT4aDD
780Stated as T4a with no other information on extensionT4aT4aRERE
788Specified bone
(Other than mandible, maxilla, or bones in codes 790 and 805)
T4bT4bDD
790Masticator space
Pterygoid plates
T4bT4bDD
800OBSOLETE DATA RETAINED V0200

Further contiguous extension:
    Base of skull
    Masticator space
    Pterygoid plates
ERRORT4bDD
805Further contiguous extension:
    Base of skull
    Internal carotid artery (encased)
T4bT4bDD
810Stated as T4b with no other information on extensionT4bT4bDD
815Stated as T4 [NOS] with no other information on extensionT4NOST4NOSRERE
950No evidence of primary tumorT0T0UU
999Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record
TXTXUU