EOD 2018 Schemas

The EOD site-specific schemas are based on historical schemas, Summary Stage 2000 and the AJCC 8th Edition. Some of the AJCC chapters were divided to line up with historical Summary Stage chapters. See SEER*RSA for schema-specific coding guidelines, codes and code descriptions for EOD Primary Tumor, EOD Regional Nodes and EOD Mets.

Note: The individual schemas are not included in the EOD Manual. They can be found on SEER*RSA (https://staging.seer.cancer.gov/)

EOD Schema SS Chapter AJCC– Chap. No AJCC Chapter Name
Adnexa Uterine Other Adnexa Uterine Other N/A N/A
Adrenal Gland Adrenal Gland (including NET) 76 Adrenal Cortical Carcinoma
Ampulla Vater Ampulla Vater (including NET) 27 Ampulla of Vater
Anus Anus 21 Anus
Appendix Appendix (including NET) 19 Appendix-Carcinoma
Bile Ducts Distal Extrahepatic Bile Ducts 26 Distal Bile Duct
Bile Ducts Intrahepatic Intrahepatic Bile Ducts 23 Intrahepatic Bile Duct
Bile Ducts Perihilar Extrahepatic Bile Ducts 25 Perihilar Bile Ducts
Biliary Other Biliary Other N/A N/A
Bladder Bladder 62 Urinary Bladder
Bone Appendicular Skeleton Bone 38 Bone
Bone Pelvis
Bone Spine
Brain Brain 72 Brain and Spinal Cord
Breast Breast 48 Breast
Buccal Mucosa Buccal Mucosa 7 Lip and Oral Cavity
Cervical Lymph Nodes and Unknown Primary Tumor of the Head and Neck Cervical Lymph Nodes and Unknown Primary 6 Cervical Lymph Nodes and Unknown Primary Tumors of Head and Neck
Cervix (8th Edition) (2018-2020)
Cervix (9th Edition) (2021+)		 Cervix 52 Cervix Uteri
CNS Other CNS Other 72 Brain and Spinal Cord
Colon and Rectum Colon and Rectum (including NET) 20 Colon and Rectum
Conjunctiva Conjunctiva 65 Conjunctival Carcinoma
Corpus Adenosarcoma Corpus Sarcoma (including Adenosarcoma) 54 Corpus Uteri-Sarcoma
Corpus Carcinoma Corpus Carcinoma and Carcinosarcoma 53 Corpus Uteri-Carcinoma and Carcinosarcoma
Corpus Sarcoma Corpus Sarcoma (including Adenosarcoma) 54 Corpus Uteri-Sarcoma
Cutaneous Carcinoma of Head and Neck Skin (except Eyelid) 15 Cutaneous Squamous Cell Carcinoma of the Head and Neck
Cystic Duct Extrahepatic Bile Ducts 24 Gallbladder
Digestive Other Digestive Other N/A N/A
Endocrine Other Endocrine Other N/A N/A
Esophagus (including GE junction) Squamous Esophagus (including GE junction) 16 Esophagus and Esophagogastric Junction
Esophagus (including GE junction) (excluding Squamous)
Eye Other Eye Other N/A N/A
Fallopian Tube Fallopian Tube 55 Ovary, Fallopian Tube, and Primary Peritoneal Carcinoma
Floor of Mouth Floor of Mouth 7 Lip and Oral Cavity
Gallbladder Gallbladder 24 Gallbladder
Genital Female Other Genital Female Other N/A N/A
Genital Male Other Genital Male Other N/A N/A
GIST GIST 43 Gastrointestinal Stromal Tumors
Gum Gum 7 Lip and Oral Cavity
Heart and Mediastinum Heart, Mediastinum, Pleura 42 Soft tissue sarcoma of the Abdomen and Thoracic Visceral Organs
HemeRetic HemeRetic 83 Leukemia
Hypopharynx Hypopharynx 11 Oropharynx (p16-) and Hypopharynx
Ill-Defined Other Ill-Defined Other N/A N/A
Intracranial Gland Intracranial Gland 72 Brain and Spinal Cord
Kaposi Sarcoma Kaposi Sarcoma 45 Soft tissue sarcoma of Unusual Sites and Histologies
Kidney Parenchyma Kidney Parenchyma 60 Kidney
Kidney Renal Pelvis Kidney Renal Pelvis 61 Renal Pelvis and Ureter
Lacrimal Gland Lacrimal Gland/Sac 69 Lacrimal Gland Carcinoma
Lacrimal Sac N/A N/A
Larynx Glottic Larynx Glottic 13 Larynx
Larynx Other Larynx Other
Larynx SubGlottic Larynx SubGlottic
Larynx SupraGlottic Larynx SupraGlottic
Lip Lip 7 Lip and Oral Cavity
Liver Liver 22 Liver
Lung Lung 36 Lung
Lymphoma Lymphoma
79, 80 Hodgkin and Non-Hodgkin Lymphoma (Adult and Pediatric chapters)
Lymphoma-CLL/SLL
Lymphoma Ocular Adnexa Lymphoma Ocular Adnexa 71 Ocular Adnexal Lymphoma
Major Salivary Glands Major Salivary Glands 8 Major Salivary Glands
Maxillary Sinus Nasal Cavity and Paranasal Sinuses 12 Nasal Cavity and Paranasal Sinus
Melanoma Choroid and Ciliary Body Melanoma Uvea 67 Uveal Melanoma
Melanoma Conjunctiva Melanoma Conjunctiva 66 Conjunctival Melanoma
Melanoma Head and Neck Melanoma Head and Neck 14 Mucosal Melanoma of the Head and Neck
Melanoma Iris Melanoma Uvea 67 Uveal Melanoma
Melanoma Skin Melanoma Skin 47 Melanoma of the Skin
Merkel Cell Skin Merkel Cell Skin 46 Merkel Cell Carcinoma
Middle Ear Middle Ear N/A N/A
Mouth Other Mouth Other 7 Lip and Oral Cavity
Mycosis Fungoides and Sézary Syndrome Mycosis Fungoides 81 Primary Cutaneous Lymphomas
Nasal Cavity and Ethmoid Sinus Nasal Cavity and Paranasal Sinuses 12 Nasal Cavity and Paranasal Sinus
Nasopharynx Nasopharynx 9 Nasopharynx
NET Adrenal Gland Adrenal Gland (including NET) 77 Adrenal-Neuroendocrine Tumors
NET Ampulla of Vater Ampulla Vater (including NET) 30 Neuroendocrine Tumors of the Duodenum and Ampulla of Vater
NET Appendix Appendix (including NET) 32 Neuroendocrine Tumors of the Appendix
NET Colon and Rectum Colon and Rectum (including NET) 33 Neuroendocrine Tumors of the Colon and Rectum
NET Duodenum Small Intestine (including NET) 30 Neuroendocrine Tumors of the Duodenum and Ampulla of Vater
NET Jejunum and Ileum 31 Neuroendocrine Tumors of the Jejunum and Ileum
NET Pancreas Pancreas (including NET) 34 Neuroendocrine Tumors of the Pancreas
NET Stomach Stomach (including NET) 29 Neuroendocrine Tumors of the Stomach
Orbital Sarcoma Orbit 70 Orbital sarcoma
Oropharynx HPV-Mediated (p16+) Oropharynx 10 HPV-Mediated (p16+) Oropharyngeal Cancer
Oropharynx (p16-) 11 Oropharynx (p16-) and Hypopharynx
Ovary Ovary and Primary Peritoneal Carcinoma 55 Ovary, Fallopian Tube, and Primary Peritoneal Carcinoma
Palate Hard Palate Hard 7 Lip and Oral Cavity
Pancreas Pancreas (including NET) 28 Exocrine Pancreas
Parathyroid Parathyroid 75 Parathyroid
Penis Penis 57 Penis
Pharynx Other Pharynx Other N/A N/A
Placenta Placenta 56 Gestational Trophoblastic Neoplasms
Plasma Cell Myeloma Myeloma Plasma Cell Disorder 82 Plasma Cell Myeloma and Plasma Cell Disorders
Plasma Cell Disorders Myeloma Plasma Cell Disorder 82 Plasma Cell Myeloma and Plasma Cell Disorders
Pleura Pleura 37 Malignant Pleural Mesothelioma
Primary Cutaneous Lymphomas: Non-MF/SS Primary Cutaneous Lymphomas: Non-MF/SS 81 Primary Cutaneous Lymphomas
Primary Peritoneal Carcinoma Ovary and Primary Peritoneal Carcinoma 55 Ovary, Fallopian Tube, and Primary Peritoneal Carcinoma
Prostate Prostate 58 Prostate
Respiratory Other Respiratory Other N/A N/A
Retinoblastoma Retinoblastoma 68 Retinoblastoma
Retroperitoneum Retroperitoneum 44 Soft tissue sarcoma of the Retroperitoneum
Sinus Other Sinus Other N/A N/A
Skin Eyelid Skin Eyelid 64 Eyelid Carcinoma
Skin Other Skin (except Eyelid) N/A N/A
Small Intestine Small Intestine (including NET) 18 Small Intestine
Soft Tissue Abdomen and Thoracic (excluding Heart, Mediastinum, Pleura) Soft Tissue 42 Soft tissue sarcoma of the Abdomen and Thoracic Visceral Organs
Soft Tissue Head and Neck 40 Soft tissue sarcoma of the Head and Neck
Soft Tissue Trunk and Extremities 41 Soft tissue sarcoma of the Trunk and Extremities
Soft Tissue Usual Histologies/Sites 45 Soft tissue sarcoma of Unusual Sites and Histologies
Stomach Stomach (including NET) 17 Stomach
Testis Testis 59 Testis
Thymus Thymus 35 Thymus
Thyroid Thyroid (including Medullary)
 73 Thyroid-Differentiated and Anaplastic Carcinoma
Thyroid Medullary 74 Thyroid-Medullary
Tongue Anterior Tongue Anterior 7 Lip and Oral Cavity
Trachea Trachea N/A N/A
Urethra Urethra (including prostatic) 63 Urethra
Urethra-Prostatic
Urinary Other Urinary Other N/A N/A
Vagina Vagina 51 Vagina
Vulva Vulva 50 Vulva

Updated: December 11, 2023