Name	Value
NAME	TONSILLAR FOSSA
SURGERY CODING	ORAL CAVITY
PAIRED ORGAN	LATERALITY CODE REQUIRED
CODE	C09.0
DEFAULT PRIMARY SITE GROUP	PHARYNX
SURGERY CODE GROUP-5TH ED	TONSILLAR FOSSA
5TH ED-SURGICAL APPROACH CODES	None CODE: 0 Endoscopy, NOS CODE: 1 Endoscopy, not image guided CODE: 2 Endoscopy, image guided CODE: 3 Open, NOS CODE: 4 Open, not assisted by endoscopy CODE: 5 Open, assisted by endoscopy CODE: 6 Unknown; not stated; death certificate ONLY CODE: 9
5TH ED-SURGERY PRIMARY SITE	None CODE: 0 SPS 2023 CODE: A000 Local tumor excision, electrocautery CODE: 22 SPS 2023 CODE: A220 Local tumor excision, cryosurgery CODE: 23 SPS 2023 CODE: A230 Local tumor excision, laser ablation CODE: 24 SPS 2023 CODE: A240 Local tumor excision, laser excision CODE: 25 SPS 2023 CODE: A250 Local tumor excision, polypectomy CODE: 26 SPS 2023 CODE: A260 Local tumor excision, excisional biopsy CODE: 27 SPS 2023 CODE: A270 Pharyngectomy, NOS CODE: 30 SPS 2023 CODE: A300 Limited/partial pharyngectomy; tonsillectomy, NOS CODE: 31 SPS 2023 CODE: A310 Total pharyngectomy CODE: 32 SPS 2023 CODE: A320 Pharyngectomy w/ mandibulectomy, (marginal, segmental) NOS CODE: 40 SPS 2023 CODE: A400 Local tumor destruction, NOS (w/o pathology specimen) CODE: 10 SPS 2023 CODE: A100 Pharyngectomy w/ laryngectomy (laryngopharyngectomy) CODE: 41 SPS 2023 CODE: A410 Pharyngectomy WITH mandibulectomy CODE: 42 SPS 2023 CODE: A420 Pharyngectomy WITH both 41 and 42 CODE: 43 SPS 2023 CODE: A430 Radical pharyngectomy (inc total mandibular resection), NOS CODE: 50 SPS 2023 CODE: A500 Radical pharyngectomy WITHOUT laryngectomy CODE: 51 SPS 2023 CODE: A510 Radical pharyngectomy WITH laryngectomy CODE: 52 SPS 2023 CODE: A520 Surgery, NOS CODE: 90 SPS 2023 CODE: A900 Unknown; death certificate ONLY CODE: 99 SPS 2023 CODE: A990 Stripping CODE: 28 SPS 2023 CODE: A280 Local tumor destruction, photodynamic therapy (PDT) CODE: 11 SPS 2023 CODE: A110 Local tumor destruction, electrocautery; fulguration CODE: 12 SPS 2023 CODE: A120 Local tumor destrucion, cryosurgery CODE: 13 SPS 2023 CODE: A130 Local tumor destruction, laser CODE: 14 SPS 2023 CODE: A140 Local tumor destruction, stripping CODE: 15 SPS 2023 CODE: A150 Local tumor excision, NOS (w/ pathology specimen) CODE: 20 SPS 2023 CODE: A200 Local tumor excision, photodynamic therapy (PDT) CODE: 21 SPS 2023 CODE: A210
5TH ED-SURGICAL MARGINS	All margins grossly and microscopically negative CODE: 0 Margins involved, NOS CODE: 1 Microscopic involvement CODE: 2 Macroscopic involvement CODE: 5 Margins not evaluable CODE: 7 No surgery of primary site CODE: 8 Unk whether margins involved or negative; death cert ONLY CODE: 9
5TH ED-SCOPE LYMPH NODE SURG	No regional lymph nodes removed CODE: 0 Regional lymph node(s) removed, NOS CODE: 1 Neck dissection, NOS CODE: 2 Neck dissection, selective,limited; nodal sampling CODE: 3 Neck dissection, modified/modified radical CODE: 4 Neck dissection, Radical CODE: 5 Unknown; not stated; death certificate ONLY CODE: 9
5TH ED-SURGERY OTHER REG SITES	None CODE: 0 Unknown; not stated; death certificate ONLY CODE: 9 Surg to other sites/nodes, NOS; unk if regional or distant CODE: 1 Laryngectomy ONLY CODE: 2 Mandibulectomy ONLY (marginal, segmental, or hemi-) CODE: 3 Combination of 2 and 3 CODE: 4 Removal of other regional sites CODE: 5 Combination of 5 with 2-4 CODE: 6 Removal of other distant site(s) or distant node(s) CODE: 7 Combination of 7 WITH any of 2-6 CODE: 8
5TH ED-RECONSTRUCTION	No reconstruction/restoration CODE: 0 Reconstruction/restoration, NOS CODE: 1 Reconstruction/restoration W/O implant/prosthesis CODE: 2 Reconstruction/restoration W implant/prosthesis CODE: 3 Recommended, unknown if performed CODE: 8 Unknown; not stated; death certificate ONLY CODE: 9
5TH ED-BIOPSY PROCEDURE CODES	Not a breast or prostate primary CODE: 0
5TH ED-GUIDANCE CODES	Not a breast or prostate primary CODE: 0
T & N CODES	OROPHARYNX, VALLECULA
TYPE	PHARYNX TONSIL
AJCC STAGING GROUP	PHARYNX
EXTENSION CODE SET-1ST ED	TONSIL, OROPHARYNX
EXTENSION CODE SET-2ND ED	TONSIL, OROPHARYNX
EXTENSION CODE SET-3RD ED	TONSIL, OROPHARYNX
LYMPH NODE CODE SET-1ST ED	TONSIL, OROPHARYNX
LYMPH NODE CODE SET-2ND ED	TONSIL, OROPHARYNX
LYMPH NODE CODE SET-3RD ED	TONSIL, OROPHARYNX
SURGERY CODE SET-1ST ED	SG9 ORAL CAVITY
SURGERY CODE SET-2ND ED	SG9 ORAL CAVITY

TONSILLAR FOSSA (67090) ICDO TOPOGRAPHY (164)