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{
"id" : "extension_bdu",
"algorithm" : "cs",
"version" : "02.05.50",
"name" : "Extension",
"title" : "CS Extension",
"notes" : "**Note 1**: AJCC does not include an in situ category for carcinoid tumors of appendix. Any case so coded will be mapped to TX for AJCC 7 stage and in situ Summary Stage. Cases coded with 000 will continue to map to Tis if AJCC 6 staging is applicable.\n\n**Note 2**: The assignment of T1, T1a, and T1b categories for carcinoid of appendix is based on tumor size. A physician's statement of the T category may be used to code CS Tumor Size and/or CS Extension if this is the only information in the medical record regarding one or both of these fields. However the two fields are coded independently: for example the record may document size but not extension, other than the physician's statement of the T category. Use code 320, 330, or 335, 410, 490, or 850 as appropriate to code CS Extension based on a statement of T when no other extension information is available.\n\n**Note 3**: Codes 405-750 are used for contiguous extension from the site of origin. Discontinuous involvement is coded in CS Mets at DX.\n\n**Note 4**: Tumor that is adherent to other organs or structures, macroscopically, is classified cT4b. If tumor is present in adhesion(s) upon microscopic examination, the tumor is classified as pT4b. Use code 565 for macroscopic adhesions if no pathologic confirmation, and for pathologically confirmed tumor in adhesions. However, if no tumor is present in adhesion(s) upon microscopic examination, the classification is based upon extent of tumor invasion into or through the wall; use codes 000, 100, 160, 200, 370, 451, and 470 as appropriate to describe the microscopically confirmed depth of tumor invasion for these cases. Use codes 601-650, 670, 701, and 751-800 to code invasion of underlying structures from the adherent tumor.",
"footnotes" : "- For CS Extension codes 100-120, 160-300, 320-335, 370, 401-410, and 451 ONLY, the T category is assigned based on the value of CS Tumor Size, as shown in the Extension Size AJCC 7 Table for this schema.",
"last_modified" : "2015-05-27T16:19:11.079Z",
"definition" : [ {
"key" : "extension",
"name" : "Code",
"type" : "INPUT"
}, {
"key" : "description",
"name" : "Description",
"type" : "DESCRIPTION"
}, {
"key" : "ajcc7_t",
"name" : "AJCC 7 T",
"type" : "ENDPOINT"
}, {
"key" : "ajcc6_t",
"name" : "AJCC 6 T",
"type" : "ENDPOINT"
}, {
"key" : "t77",
"name" : "Summary Stage 1977 T",
"type" : "ENDPOINT"
}, {
"key" : "t2000",
"name" : "Summary Stage 2000 T",
"type" : "ENDPOINT"
} ],
"rows" : [ [ "000", "In situ, intraepithelial, noninvasive", "VALUE:TX", "VALUE:Tis", "VALUE:IS", "VALUE:IS" ], [ "050", "(Adeno)carcinoma, noninvasive, in a polyp or adenoma", "VALUE:TX", "VALUE:Tis", "VALUE:IS", "VALUE:IS" ], [ "100", "Invasive tumor confined to mucosa, NOS (including intramucosal, NOS)", "JUMP:extension_size_ajcc7_xdj", "VALUE:Tis", "VALUE:L", "VALUE:L" ], [ "110", "Invades lamina propria", "JUMP:extension_size_ajcc7_xdj", "VALUE:Tis", "VALUE:L", "VALUE:L" ], [ "120", "Invades muscularis mucosae", "JUMP:extension_size_ajcc7_xdj", "VALUE:Tis", "VALUE:L", "VALUE:L" ], [ "130", "OBSOLETE DATA RETAINED V0200 \n\nConfined to head of polyp, NOS", "ERROR:", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "140", "OBSOLETE DATA RETAINED V0200\n \nConfined to stalk of polyp, NOS", "ERROR:", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "150", "OBSOLETE DATA RETAINED V0200\n\nInvasive tumor in polyp, NOS", "ERROR:", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "160", "Invades submucosa (superficial invasion)", "JUMP:extension_size_ajcc7_xdj", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "200", "Invades muscularis propria ", "JUMP:extension_size_ajcc7_xdj", "VALUE:T2", "VALUE:L", "VALUE:L" ], [ "300", "Confined to appendix, NOS \nLocalized, NOS", "JUMP:extension_size_ajcc7_xdj", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "310", "OBSOLETE DATA CONVERTED V0203\nSee code 335\n\nStated as T1, NOS with no other \ninformation on extension", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "320", "Stated as T1a with no other information on extension", "JUMP:extension_size_ajcc7_xdj", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "330", "Stated as T1b with no other information on extension", "JUMP:extension_size_ajcc7_xdj", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "335", "Stated as T1 [NOS] with no other information on extension", "JUMP:extension_size_ajcc7_xdj", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "340", "OBSOLETE DATA CONVERTED V0203\nSee code 410\n\nStated as T2 with no other information on extension", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "350", "OBSOLETE DATA CONVERTED V0203\nSee code 490\n\nStated as T3 with no other information on extension", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "370", "Extension to cecum", "JUMP:extension_size_ajcc7_xdj", "VALUE:T1", "VALUE:L", "VALUE:L" ], [ "400", "OBSOLETE DATA REVIEWED AND CHANGED V0203 \nCode 400 was defined as \"Extension through wall, NOS, Non-peritonealized pericolic tissues invaded, Perimuscular tissue invaded, Subserosal tissue/(sub)serosal fat invaded, Transmural, NOS in CSv1. Code 400 was defined as \"Extension to cecum\" in CSv2: V0201, V0202. All cases should be reviewed and recoded to appropriate codes; see codes 370, 401.\n\nExtension to cecum", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "401", "Extension through wall, NOS\nInvasion through muscularis propria or muscularis, NOS\nNon-peritonealized pericolic tissues invaded\nPerimuscular tissue invaded\nSubserosal tissue/(sub)serosal fat invaded\nTransmural, NOS", "JUMP:extension_size_ajcc7_xdj", "VALUE:T3", "VALUE:L", "VALUE:L" ], [ "410", "Stated as T2 with no other information on extension", "JUMP:extension_size_ajcc7_xdj", "VALUE:TX", "VALUE:L", "VALUE:L" ], [ "420", "OBSOLETE DATA CONVERTED V0203\nSee code 458\n \nFat, NOS", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "450", "OBSOLETE DATA REVIEWED AND CHANGED V0203 \nCode 450 was defined as \"Extension to: Adjacent tissue(s), NOS, Connective tissue, Mesenteric fat, Mesentery, Mesoappendix, Mesocolon, Pericolic fat\" in CSv1. Code 450 was defined as \"Extension to ileum\" in CSv2: V0201, V0202. All cases should be reviewed and recoded to appropriate codes; see codes 451, 470. \n\nExtension to ileum", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "451", "Extension to:\n Adjacent tissue(s), NOS\n Connective tissue\n Mesenteric fat\n Mesentery\n Mesoappendix\n Mesocolon\n Pericolic fat", "JUMP:extension_size_ajcc7_xdj", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "458", "Fat, NOS", "JUMP:extension_size_ajcc7_xdj", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "460", "OBSOLETE DATA RETAINED V0200 \n\nAdherent to other organs or structures, but no microscopic tumor found in adhesion(s)", "ERROR:", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "470", "Extension to ileum", "VALUE:T3", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "490", "Stated as T3 with no other information on extension", "VALUE:T3", "VALUE:TX", "VALUE:RE", "VALUE:RE" ], [ "500", "OBSOLETE DATA REVIEWED AND CHANGED V0203\nCode 500 was defined as \"Invasion of/through serosa (mesothelium) (visceral peritoneum)\" in CSv1. Code 500 was defined as \"Abdominal wall, Skeletal muscles\" in CSv2: V0201, V0202. All cases should be reviewed and recoded to appropriate codes; see codes 501, 650, and 670\n\nAbdominal wall\nSkeletal muscles", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "501", "OBSOLETE DATA RETAINED V0203\n\nInvasion of/through serosa (mesothelium) (visceral peritoneum)", "ERROR:", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "550", "OBSOLETE DATA RETAINED V0200 \n\nAny of [(420) to (451)] + (501)", "ERROR:", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "565", "Adherent to other organs or structures clinically with no microscopic examination\nTumor found in adhesion(s) if microscopic examination performed", "VALUE:T4", "VALUE:T3", "VALUE:RE", "VALUE:RE" ], [ "570", "Adherent to other organs or structures, NOS", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "600", "OBSOLETE DATA REVIEWED AND CHANGED V0203 Code 600 was defined as \"Small intestine, Greater omentum\" in CSv1. Code 600 was defined as \"Perineum, Vulva\" in CSv2: V0201, V0202. All cases should be reviewed and recoded to appropriate codes; see codes 601, 800.\n\nPerineum\nVulva", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "601", "Small intestine\nGreater omentum", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "650", "Abdominal wall \nRetroperitoneum (excluding fat)", "VALUE:T4", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "660", "OBSOLETE DATA RETAINED V0200 \n\nAscending colon:\n Right kidney\n Right ureter\nDescending colon:\n Left kidney\n Left ureter", "ERROR:", "VALUE:T4", "VALUE:RE", "VALUE:RE" ], [ "670", "Skeletal muscle", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "700", "OBSOLETE DATA REVIEWED AND CHANGED V0203 Code 700 was defined as \"Bladder, Pelvic peritoneum, Urethra, Vagina\" in CSv1. Code 700 was defined as \"Fallopian tube, Ovary, Uterus\" in CSv2: V0201, V0202. All cases should be reviewed and recoded to appropriate codes; see codes 701, 800.\n\nBladder\nPelvic peritoneum\nUrethra\nVagina", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "701", "Bladder\nPelvic peritoneum\nUrethra\nVagina", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "750", "OBSOLETE DATA REVIEWED AND CHANGED V0203 Code 750 was defined as \"Adrenal (suprarenal) gland, Bladder, Diaphragm, Fistula to skin, Gallbladder, Other segment(s) of colon via serosa\" in CSv1. Code 750 was defined as \"Broad ligament(s), Cervix uteri, Corpus uteri, Prostate\" in CSv2: V0201, V0202. All cases should be reviewed and recoded to appropriate codes; see codes 751, 800.\n\nBroad ligament(s)\nCervix uteri\nCorpus uteri\nProstate", "ERROR:", "ERROR:", "ERROR:", "ERROR:" ], [ "751", "Adrenal (suprarenal) gland\nDiaphragm\nFistula to skin\nGallbladder\nOther segment(s) of colon via serosa", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "800", "Further contiguous extension:\n Kidney\n Liver\n Ureter\n Other contiguous extension", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "850", "Stated as T4 with no other information on extension", "VALUE:T4", "VALUE:T4", "VALUE:D", "VALUE:D" ], [ "950", "No evidence of primary tumor", "VALUE:T0", "VALUE:T0", "VALUE:U", "VALUE:U" ], [ "999", "Unknown; extension not stated\nPrimary tumor cannot be assessed\nNot documented in patient record", "VALUE:TX", "VALUE:TX", "VALUE:U", "VALUE:U" ] ]
}