1	40	8722	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology
1.1	744	1025	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology
1.2	1026	1329	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, non-imaging
1.3	1330	1633	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, imaging
1.4	1634	1890	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, radiation, exposure
1.5	1891	2050	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, u.s., united, states, america, number, year, yearly, annual, annually, performed
1.6	2300	7493	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan
1.6.1	2573	2913	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, diet, dietary, preparation, instruction, instructions
1.6.2	2914	3079	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, instruction, instructions, pregnancy
1.6.3	3080	3336	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, physician, doctor, consultation
1.6.4	3337	4464	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, preparation, radiopharmaceutical, drug, dose, dosage, technologist
1.6.4.1	3604	3793	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, preparation, radiopharmaceutical, drug, dose, dosage, technologist, calculating, calculation
1.6.4.2	3794	3967	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, preparation, radiopharmaceutical, drug, dose, dosage, technologist, drawing, extracting, extraction
1.6.4.3	3968	4184	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, preparation, radiopharmaceutical, drug, dose, dosage, technologist, verifying, verification
1.6.4.4	4185	4331	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, preparation, radiopharmaceutical, drug, dose, dosage, technologist, Labeling
1.6.4.5	4332	4464	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, preparation, radiopharmaceutical, drug, dose, dosage, technologist, delivery
1.6.5	4712	5068	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, injection, administration
1.6.6	5069	5770	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, gamma, camera, photography
1.6.7	5771	6515	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, spect, single, photon, emission, computed, tomography
1.6.7.1	6274	6515	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, spect, single, photon, emission, computed, tomography, patient, posture, position
1.6.8	6516	7013	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, serial, photography, photos, photographs, pictures
1.6.9	7014	7315	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, developing, development, film
1.6.10	7316	7493	diagnostic, procedures, studies, scans, tests, nuclear, nuculear, medicine, radioactive, radionuclide, radioisotope, radiology, hepatobiliary, liver/spleen, scan, physician, report, reporting