Collaborative Stage for TNM 7 - Revised 05/24/2011  [ Schema ]

SinusEthmoid

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000In situ, intraepithelial, noninvasiveTisTisISIS
120Invasive tumor confined to left or right ethmoid sinus
WITHOUT bony involvement
T1T1LL
140OBSOLETE DATA CONVERTED V0200
See code 320

Confined to both ethmoid sinuses without bone involvement
ERRORERRORERRORERROR
160Confined to ethmoid sinus, NOS
WITHOUT bony involvement
T1T1LL
220Invasive tumor confined to either left or right ethmoid
WITH bony invasion (involvement of perpendicular plate of ethmoid bone or ethmoid air cells)
T1T1LL
240OBSOLETE DATA CONVERTED V0200
See code 340

Confined to both ethmoid sinuses
WITH bony invasion (involvement of perpendicular plate of ethmoid bone or ethmoid air cells)
ERRORERRORERRORERROR
260Confined to ethmoid sinus, NOS
WITH bony invasion (involvement of perpendicular plate of ethmoid bone or ethmoid air cells)
T1T1LL
300Localized, NOST1T1LL
315Stated as T1 with no other information on extensionT1T1LL
320Confined to both ethmoid sinuses
WITHOUT bony involvement
T2T2RERE
340Confined to both ethmoid sinuses
WITH bony invasion (involvement of perpendicular plate of ethmoid bone or ethmoid air cells)
T2T2RERE
400Extension to nasal cavity with or without bony invasion (Involvement of perpendicular plate of ethmoid bone or ethmoid air cells):
    Floor
    Lateral wall
    Nasal vestibule
    Nasal cavity, NOS
    Septum
    Turbinates
T2T2RERE
410Stated as T2 with no other information on extensionT2T2RERE
620Base of skull, NOST3T3RERE
630Cribriform plateT3T3RERE
640Medial wall or floor of orbit
Orbital plate
T3T3RERE
650Maxillary sinusT3T3RERE
660Hard palateT3T3DD
680Stated as T3 with no other information on extensionT3T3RERE
700Anterior orbital contents
Skin of nose
Skin of cheek
Anterior cranial fossa (minimal extension) (see Note 3)
Pterygoid plates
Sphenoid sinus
Frontal sinus
T4aT4aRERE
720700 + 660

Any structure in code 700 plus hard palate
T4aT4aDD
725Stated as T4a with no other information on extensionT4aT4aRERE
760Orbital apex
Dura
Brain
Middle cranial fossa
Cranial nerves (other than V2, maxillary division of trigeminal nerve)
Nasopharynx
Clivus
T4bT4bRERE
780760 + 660

Any structure in code 760 plus palate
T4bT4bDD
800Further contiguous extensionT4bT4bDD
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