| Code | Histopathology |
| --- | all tumors |
| a/a | alveolar/bronchiolar adenoma |
| a/c | alveolar/bronchiolar carcinoma |
| abt | alveolar/bronchiolar tumor |
| aca | adenocarcinoma in adenomatous polyp |
| acb | alveolar/bronchiolar adenocarcinoma |
| acc | acinar-cell carcinoma |
| acn | adenocarcinoma, NOS |
| act | alveolar-cell tumor |
| ada | adenocarcinoma, type A |
| adb | adenocarcinoma, type B |
| adc | adenocarcinoma |
| ade | adenoma |
| adf | adenofibroma |
| adi | adenocarcinoma, bilateral |
| adm | adenomatous polyp, NOS or adenocarcinoma in adenomatous polyp |
| adn | adenoma, NOS |
| ado | adenoacanthoma |
| adp | adenomatous polyp |
| adq | adenosquamous carcinoma |
| aep | adenomatous endometrial polyp |
| agc | alveogenic adenocarcinoma |
| agf | angioma/fibroangioma |
| agm | angioma |
| agt | alveogenic tumor |
| ahs | axillary histiocytic sarcoma |
| akt | adenoma-like tumor |
| ala | alveolar-cell adenoma |
| alc | alveolar-cell carcinoma |
| ald | alveolar adenoma |
| ama | acanthoma |
| amy | adenomyoma |
| ana | acinar-cell adenoma |
| anb | adenoma, bilateral |
| ane | angio-endothelioma, malignant |
| ang | angiosarcoma |
| anl | acute nonlymphocytic leukemia |
| aoc | acinar-cell adenocarcinoma |
| aod | adenocarcinoma, acinar or ductal |
| apc | anaplastic carcinoma |
| apn | adenomatous polyp, NOS |
| asl | astrocytoma, malignant |
| asb | astrocytoma, benign |
| asm | adenocarcinoma with squamous metaplasia |
| ast | astrocytoma |
| ata | atypic adenoma |
| bca | basal-cell adenoma |
| bcc | basal-cell carcinoma |
| bcd | bronchiolar adenoma |
| bcp | basal-cell papilloma |
| bct | basal-cell tumor |
| bda | bile duct adenoma |
| bdb | intrahepatic bile duct tumor, benign |
| bdc | bile duct carcinoma |
| bde | bronchiolar adenocarcinoma |
| bdh | intrahepatic bile duct tumor |
| bdm | intrahepatic bile duct tumor, malignant |
| bdt | bile duct tumor |
| ben | benign tumor |
| bhp | hepatoma, benign |
| bht | hepatocellular tumor, benign |
| blc | biliary cystadenoma |
| bly | B-cell lymphoma |
| bro | bronchogenic carcinoma |
| bsa | basophil adenoma |
| bsb | basosquamous tumor, benign |
| bsn | basophilic nodule |
| caa | cholangioadenoma/carcinoma |
| cab | cholangiocellular tumor, benign |
| cac | cholangioadenocarcinoma |
| cad | cholangioadenoma |
| can | carcinoma, NOS |
| car | carcinoma |
| cas | carcinosarcoma |
| cca | c-cell adenoma |
| ccb | c-cell carcinoma, bilateral |
| ccn | cystadenocarcinoma, NOS |
| ccr | c-cell carcinoma |
| ccy | cholangioma, cystic |
| cdb | c-cell adenoma, bilateral |
| cgd | cholangiocarcinoma, ductular |
| cgf | cholangiofibroma |
| chc | cholangiosarcoma |
| cho | cholangioma |
| cic | carcinoma, in situ |
| cla | clear-cell adenoma |
| clc | cholangiocarcinoma |
| cnb | carcinoma, bilateral |
| cnd | carcinoid tumor, malignant |
| coa | cortical adenoma |
| coc | cortical carcinoma |
| con | cortical adenoma, NOS |
| cra | chromophobe adenoma |
| crc | chromophobe carcinoma |
| crn | cortical adenocarcinoma, NOS |
| crt | carcinoma, combined glandular and squamous type |
| csa | cortical subcapsular adenoma |
| cuc | ceruminous carcinoma |
| cvh | cavernous hemangioma |
| cyc | cystadenocarcinoma |
| cye | cystadenoma |
| cyn | cystadenoma, NOS |
| dhs | deep cervical, histiocytic sarcoma |
| dpp | ductal papilloma |
| ead | endometrium, adenoma |
| ecc | eccrine cylindroma |
| edc | endometrium, adenocarcinoma |
| emp | endometrial polyp |
| ena | endometrial adenocarcinoma |
| ene | esthesioneuroepithelioma |
| ens | endocardial sarcoma |
| epc | epidermoid carcinoma |
| epd | ependymoblastoma |
| epn | epithelial neoplasm |
| epo | epithelioma |
| ept | epidermoid tumor |
| esa | eosinophilic adenoma |
| esn | eosinophilic nodule |
| esp | endometrial stromal polyp |
| ess | endometrial stromal sarcoma |
| exa | exocrine adenoma |
| exp | exophytic papilloma |
| fab | follicular-cell adenoma, bilateral |
| fba | fibroadenoma |
| fbl | fibroleiomyoma |
| fbm | fibroadenoma, multiple |
| fbs | fibrosarcoma |
| fca | follicular-cell adenoma |
| fcc | follicular-cell carcinoma |
| fct | follicular-cell tumor |
| fcy | follicular-cell adenocarcinoma, bilateral |
| fdc | follicular adenocarcinoma |
| fep | fibroepithelial tumor |
| fib | fibroma |
| fih | fibrous histiocytoma |
| gca | granulosa-cell adenoma |
| gcb | granulosa-cell tumor, benign |
| gcc | granulosa-cell carcinoma |
| gcl | granulosa-cell tumor, NOS |
| gcm | granulosa-cell tumor, malignant |
| gct | granulosa-cell tumor |
| ghc | hepatocellular carcinoma, glandular |
| glb | granulosa-cell tumor, bilateral |
| gli | glioma |
| gln | glioma, NOS |
| glx | glial tumors (oligodendroglioma and astrocytoma) |
| gmf | glioma malignant, focal, mild |
| grb | granular-cell tumor, benign |
| grl | granulocytic leukemia |
| gsa | granulocytic sarcoma |
| hae | hemangioendothelioma |
| hca | hepatocellular carcinoma/adenoma |
| hcc | hepatocholangiocarcinoma |
| hch | hepatocholangioma |
| hcs | histiocytic sarcoma |
| hct | hepatocellular tumor |
| hem | hemangioma |
| hes | hemangiosarcoma |
| het | hemorrhagic tumor |
| hga | hemangiosarcoma anaplastic |
| hmb | hemangioendothelioma, benign |
| hmm | hemangioendothelioma, malignant |
| hms | hemangioendothelial sarcoma |
| hmt | hamartoma |
| hnd | hyperplastic nodule |
| hpa | hepatocellular adenoma |
| hpb | hepatoblastoma |
| hpc | hepatocellular carcinoma |
| hpd | hepatocellular adenocarcinoma |
| hph | hepatocellular hyperplastic nodule |
| hpm | hemangiopericytoma, malignant |
| hpn | hepatocellular neoplastic nodule |
| hps | hepatocellular carcinoma, solid |
| hpt | hepatoma |
| iab | interstitial-cell adenoma, bilateral |
| ica | interstitial-cell adenoma |
| icb | interstitial-cell tumor, benign |
| ict | interstitial-cell tumor |
| idc | infiltrating duct carcinoma |
| ihs | iliac histiocytic sarcoma |
| ile | leukemia, indeterminate type |
| isa | islet-cell adenoma |
| isc | islet-cell carcinoma |
| ism | insuloma |
| itm | interstitial-cell tumor, malignant |
| ivc | carcinoma, invasive |
| ivt | transitional-cell carcinoma, invasive |
| kcs | Kupffer-cell sarcoma |
| ker | keratoacanthoma |
| lbl | lymphoblastic lymphoma |
| lca | liver-cell adenoma |
| lcb | liver-cell tumor, benign |
| lcc | liver-cell carcinoma |
| lcl | lymphocytic lymphoma |
| lcm | liver-cell tumor, malignant |
| lct | liver-cell tumor |
| ldc | Leydig-cell tumor |
| lei | leiomyosarcoma |
| leu | leukemia |
| ley | leiomyoma |
| lhc | lymphoma, histiocytic type |
| lip | lipoma |
| lkm | lymphoma and leukemia, combined |
| lkn | leukemia, NOS |
| lle | lymphocytic leukemia |
| lls | lymphoblastic leukemia-lymphosarcoma |
| lmt | lymphoma malignant, thymic origin |
| lpb | liver-cell tumor, type B |
| lps | liposarcoma |
| lsl | systemic and localized lymphoma |
| lut | luteoma |
| lya | Leydig-cell adenoma |
| lyk | lymphatic leukemia |
| lym | lymphoma |
| lyp | lymphangioma |
| lys | lymphosarcoma |
| lyt | lymphoid tumor |
| mag | malignant glioma |
| mal | malignant tumor |
| mbm | medulloblastoma, malignant |
| mca | microadenoma |
| mcc | mucinous carcinoma |
| mda | medullary adenoma |
| mdt | medullary tumor |
| mec | muco-epidermoid carcinoma |
| mel | melanoma |
| mem | mixed-cell mucoepidermoid papilloma |
| men | mesothelioma, NOS |
| mfh | fibrous histiocytoma, malignant |
| mhb | hibernoma, malignant |
| mhc | mixed hepato/cholangio carcinoma |
| mhp | malignant hepatoma |
| mhs | histiocytoma, malignant |
| mht | hepatocellular tumor, malignant |
| mix | more than one tumor type; tumor types specified in published paper |
| mlc | melanocytoma |
| mle | monocytic leukemia |
| mlh | malignant lymphoma, histiocytic type |
| mlk | myelogenous leukemia |
| mlm | malignant lymphoma, mixed type |
| mlp | malignant lymphoma, lymphocytic type |
| mlt | melanotic tumor |
| mlu | malignant lymphoma, undifferentiated type |
| mly | malignant lymphoma |
| mmt | malignant mesenchymal tumor |
| mmx | mesenchymal hemangio-sarcoma, -pericytoma, or -endothelioma, malignant |
| mng | meningioma |
| mnl | mononuclear-cell leukemia |
| mnm | meningioma, malignant |
| mno | malignant lymphoma, NOS |
| mnp | mesenchymal neoplasm |
| mnr | meningioma, granular-cell |
| msb | mesothelioma, benign |
| msm | mesothelioma, malignant |
| mso | mesothelioma |
| mtb | mixed tumor, benign |
| mtm | mixed tumor, malignant |
| mua | mucinous adenocarcinoma |
| muc | mucinous cystadenocarcinoma |
| MXA | more than one tumor type, combined by NCI/NTP |
| MXB | more than one tumor type, combined by Berkeley for the CPDB |
| mxc | mixed cell adenoma |
| mxp | neoplasm of liver cell, bile duct, mesenchyme, Kupffer cell, or unknown |
| mye | myelocytic leukemia |
| myl | myeloid leukemia |
| myo | myelomonocytic leukemia |
| neb | neuroendocrine tumor, benign |
| nem | neuroendocrine tumor, malignant |
| nen | neoplasm, NOS |
| neo | neoplasm |
| nep | nephroblastoma |
| neu | neuroblastoma |
| nfm | neurofibroma |
| nfs | neurofibrosarcoma |
| ngs | neurogenic sarcoma |
| nhs | inguinal histiocytic sarcoma |
| nim | neurinoma |
| nis | neuroblastoma, in situ |
| nlm | neurilemoma, malignant |
| nnd | neoplastic nodule |
| nod | nodular hyperplasia |
| npm | neoplasm, NOS, malignant |
| nsc | neurosarcoma |
| nue | neuroepithelioma |
| nvc | carcinoma, noninvasive |
| nvt | transitional-cell carcinoma, noninvasive |
| oec | olfactory epithelial carcinoma |
| ogm | olfactory lobe, glioma malignant |
| olc | olfactory carcinoma |
| oli | oligodendroglioma |
| oln | olfactory neuroblastoma |
| olp | olfactory neuroepithelioma |
| onm | olfactory lobe, neuroblastoma malignant |
| ost | osteosarcoma |
| otm | osteoma |
| pac | papillary adenocarcinoma |
| pai | papilloma, inverted |
| pam | papilloma |
| pas | papillomatosis |
| pbb | pheochromocytoma benign, bilateral |
| pbm | pheochromocytoma, benign/malignant |
| pca | parenchymal adenoma |
| pcn | papillary cystadenocarcinoma, NOS |
| pcy | papillary cystadenoma, NOS |
| pda | pars distalis adenoma |
| pdc | pars distalis carcinoma |
| pfa | parafollicular-cell adenoma |
| phc | pheochromocytoma, complex |
| phe | pheochromocytoma |
| phm | pheochromocytoma, malignant |
| pla | polypoid adenoma |
| plc | plasmacytoma |
| pmb | pheochromocytoma malignant, bilateral |
| pms | papillary mesothelioma |
| pob | pheochromocytoma, benign |
| pol | polyp |
| ppa | papillary adenoma |
| ppc | papillary carcinoma |
| ppn | papilloma, NOS |
| ppp | papillary polyp |
| ptc | papillary transitional-cell carcinoma |
| ptm | papillary tumor |
| pvc | carcinoma, preinvasive |
| rab | renal tubule adenoma, bilateral |
| rac | renal tubule adenocarcinoma |
| rca | renal-cell adenoma |
| rcc | renal-cell carcinoma |
| rcs | round-cell sarcoma |
| rct | renal-cell tumor |
| ret | reticulum-cell tumor |
| rhb | rhabdomyosarcoma |
| rhm | rhabdomyoblastoma |
| rhs | renal, histiocytic sarcoma |
| rna | reticulum-cell neoplasm, type A |
| rsc | respiratory epithelial carcinoma |
| rta | reticulum-cell sarcoma, type A |
| rtb | reticulum-cell sarcoma, type B |
| rts | reticulum-cell sarcoma |
| rua | tubule adenoma |
| ruc | tubule carcinoma |
| rue | tubule epithelium adenoma |
| sad | scirrhous adenocarcinoma |
| sar | sarcoma |
| sbr | sebaceous gland carcinoma |
| scc | spindle-cell carcinoma |
| scs | spindle-cell sarcoma |
| sct | Sertoli-cell tumor |
| sea | sebaceous adenoma |
| seb | sebaceous adenoma and adenocarcinoma |
| sec | sebaceous adenocarcinoma |
| sgc | sweat gland carcinoma |
| shs | mesenteric histiocytic sarcoma |
| spm | sarcoma, NOS |
| spt | spindle-cell tumor |
| sqa | squamous-cell tumor |
| sqc | squamous-cell carcinoma |
| sqi | squamous-cell carcinoma, invasive |
| sqk | squamous-cell carcinoma, keratinized |
| sqn | squamous-cell carcinoma, in situ |
| sqp | squamous-cell papilloma |
| sqs | squamous-cell carcinoma, stratified |
| squ | squamous-cell carcinoma, unclassified |
| srn | sarcoma, NOS |
| ssc | squamous-cell carcinoma, sebaceous |
| sxb | sex-cord stromal tumor, benign, bilateral |
| sxs | sex-cord stromal tumor, benign |
| tcb | tubular-cell carcinoma, bilateral |
| tcc | transitional-cell carcinoma |
| tcm | thecoma |
| thc | hepatocellular carcinoma, trabecular |
| tla | tubular-cell adenoma |
| tlc | tubular-cell carcinoma |
| tlt | tubular-cell tumor |
| tma | thymoma |
| tpp | transitional-cell papilloma |
| tri | trichoepithelioma |
| tsc | transitional epithelium, squamous-cell carcinoma |
| tsp | transitional epithelium, squamous-cell papilloma |
| tua | tubular adenoma |
| tuc | tubular carcinoma |
| tum | tumor or more than one tumor type; tumor types not specified in paper |
| uac | tubular-cell adenocarcinoma |
| ulc | undifferentiated carcinoma |
| ule | undifferentiated leukemia |
| utc | urothelial carcinoma |
| utp | urothelial papilloma |
| vlp | villous polyp |
| vsc | all vascular tumors |