Collaborative Stage

Collaborative Stage for TNM 7 - Revised 01/14/2010 [ Schema ]

LarynxSubglottic

CS Extension

Note 1: Use code 450 for localized tumor ONLY if no information is available to assign codes 100 through 400.
Note 2: Use code 775, 810, or 815 if the physician's assignment of T category is the ONLY information available about the extent of the tumor.

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 subglottis Stated as T1 with no other information on extension	T1	T1	L	L
300	Tumor involves adjacent regions(s) of larynx Supraglottis Glottis Vocal cords with normal or impaired mobility Stated as T2 with no other information on extension	T2	T2	L	L
400	Tumor limited to larynx WITH vocal cord fixation Stated as T3 with no other information on extension	T3	T3	L	L
450	Localized, NOS	T1	T1	L	L
600	Base of tongue Hypopharynx, NOS Postcricoid area Pre-epiglottic tissues Pyriform sinus (pyriform fossa) Vallecula	T4a	T4a	RE	RE
680	Extension to/through cricoid cartilage or thyroid cartilage	T4a	T4a	RE	D
700	Extension to/through: Cervical esophagus Deep extrinsic muscles of tongue Strap muscles Omohyoid Sternohyoid Sternothyroid Thyrohyoid Oropharynx Skin Soft tissues of neck Thyroid gland Trachea	T4a	T4a	D	D
730	OBSOLETE DATA CONVERTED V0200 Improved mapping, see code 800 Contiguous extension to other tissues beyond larynx not specified in codes 700 or 800	ERROR	ERROR	ERROR	ERROR
775	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 extension	T4b	T4b	D	D
815	Stated as T4NOS 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