[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-401595-105":59,"doc-detail-401595-en":131},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":124,"head_meta":126,"extra_data":128,"updated_unix":130},105,"en","patient-prep-instructions-radiology","Patient Prep Instructions - Radiology","","Patient preparation instructions for multiple radiology studies, including CT and MRI, specify scheduling and check-in timing across Stanford Medicine Imaging and Outpatient locations, hospital and clinic registration hours, and required pre-visit documentation. Guidance covers fasting and clear-liquid rules, arrival timing for oral contrast, and post-contrast oral contrast rest periods. Special protocols address diabetic patients on metformin, contrast allergies and recommended premedication, required creatinine blood testing criteria, and MRI safety screening for implanted devices, pregnancy risk, claustrophobia, and select infusion medications.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/patient-prep-instructions-radiology/401595/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/patient-prep-instructions-radiology/401595.png","ImageObject",300,407,{"name":92,"@type":93},"awa","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-27",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",13,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"How early should I register for a radiology appointment?","Question",{"text":113,"@type":114},"Register 30 minutes prior to the appointment time.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What should diabetic patients taking metformin do before an exam with IV contrast?",{"text":118,"@type":114},"Do not take metformin on the day of the exam and for 48 hours after. Follow up with the physician for when to resume the medication.",{"name":120,"@type":111,"acceptedAnswer":121},"What is required in the 30 days before the exam regarding creatinine?",{"text":122,"@type":114},"A creatinine blood test is required within 30 days for patients age 60+ for MRI, age 70+ for CT, for diabetes, and for certain renal history (renal insufficiency, renal masses, or single kidney). If done outside, bring a copy of results to the appointment.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},401595,1790648681,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":39,"preview_page_count":4},3985747858093,"https://ap-avatar.wpscdn.com/davatar_3d24733baf745e90a7e4bdd5f77d97b2","SCHEDULING CENTER 􀂊 PHONE: (650) 723-6855 􀂊 FAX: (650) 723-6036  \n● HOSPITAL – 300 Pasteur Drive  \n● BLAKE WILBUR OUTPATIENT CLINIC – 900 Blake Wilbur Drive  \n● ADVANCE D MEDICINE CENTER/CANCER CENTER – 875 Blake Wilbur Drive  \n● STANFORD MEDICINE IMAGING CENTER – 451 Sherman Avenue, Palo Alto  \n● STANFORD MEDICINE OUTPATIENT CENTER – 450 Broadway, Redwood City  \nPATIENT PREP INSTRUCTIONS  \nPLEASE REGISTER 30 MINUTES PRIOR TO THE APPOINTMENT TIME  \nPrior insurance authorization may be required by your insurance company for this radiology study. Please confirm that you have insurance approval. Please bring any insurance information (card & authorization) and the exam requisition with you to the appointment.  \nStanford Medicine Imaging Center: Monday-Friday  \nStanford Medicine Outpatient Center: Monday-Friday  \nBlake Wilbur Outpatient Clinic Registration: Monday-Friday  \nSaturday-Sunday  \nAMC/Cancer Center Registration (1st floor Room CC 1227): Monday-Friday Hospital MRI Registration (Ground Floor): Monday-Friday  \nSaturday-Sunday  \nNuclear Medicine & PET/CT Registration (2nd Floor H2200): Monday-Friday Hospital Radiology East Registration (1st Floor): Monday-Friday Hospital Registration (Main Admitting): Monday-Friday  \nSaturday-Sunday  \n7:00am to 10:00pm  \n7:00am to 10:00pm  \n7:00am to 9:30pm  \n7:00am to 3:30pm  \n7:00am to 5:00pm  \n7:00am to 9:30pm  \n7:00am to 2:30pm  \n7:00am to 5:00pm  \n6:45am to 6:00pm  \n5:30am to 9:30pm  \n7:00am to 9:30pm  \nDIABETIC PATIENTS: If you are a diabetic patient taking any medication that contains Metformin (Glucophage, Glucovance, Metaglip, Actoplus, Prandimet, Kombiglyze, Janumet, Avandamet, Fortamet, and Riomet) and are scheduled for an examination that requires IV contrast (CT, IVP or Arthrogram) DO NOT take your medication on the day of the exam and for 48 hours after. You MUST follow up with your physician for instructions / blood test on when to resume this medication.  \nALLERGIES TO CONTRAST: If you have a history of contrast reaction your ordering physician is responsible for prescribing the pre-medications for you. The American College of Radiology recommends the following premedications:  \n• Prednisone 50mg taken by mouth 13, 7 and 1 hour prior to the examination  \n• Benadryl 50mg taken by mouth 1 hour prior to the examination.  \nCREATININE BLOOD TEST: This is required within the 30 days prior to the examination for any:  \n• Patients age 60 or older (MRI)  \n• Patients age 70 years or older (CT)  \n• Diabetes (Insulin and non insulin dependent)  \n• History of Renal Insufﬁciency / Renal masses / Single kidney  \nIf this test is done at an outside facility, it is the patient’s responsibility to obtain a copy of the result and bring it to the appointment with them.  \n100-1019 (7-13) [http://imaging.stanfordhospital.org](http://imaging.stanfordhospital.org)  \nCT SCAN (Allow 1-2 hours for this examination)  \nNOTHING to eat for 2 hours prior to the exam. You may have clear liquids only (water, apple juice) . You may take your medications at their normal time with clear liquids only. Some patients may need to drink oral contrast. Patients requiring oral contrast must arrive 2 hours prior to their scheduled appointment time. Our Radiologists require a minimum of 1 hour rest after the patients have finished drinking their oral contrast to obtain highest quality imaging. Central Lines, Mediports and Power PICC’s may be used for certain studies when there is a RN on duty (M-F 7:30AM to 11:30PM). If you need additional information, please call the radiology scheduling center.  \nMRI SCAN (Allow 1-3 hours for this examination)  \nIf you have any of the following please contact the radiology scheduling center with the make and model of the device at \\#650-723-6855 prior to your scheduled appointment. The following items may interfere with MR imaging or they may be hazardous to your safety:  \n• Cardiac Pacemaker  \n• Internal pacing Wires  \n• Shrapnel  \n• Neuro Stimulator  \n• Pregnancy  \n• Bone Stimulator  ","cbCaitFear7pt24U","https://ap.wps.com/l/cbCaitFear7pt24U","pdf",220484,"English","# Scheduling and Registration\n## Check-in timing\n## Where to register\n# General Preparation Requirements\n## Insurance authorization and required documents\n## Fasting and liquids\n# Medication and Safety Guidance\n## Metformin and IV contrast\n## Contrast allergy premedication\n## Creatinine blood test requirements\n## MRI safety screening and special cases\n# Study-Specific Instructions\n## CT scan\n## MRI scan\n## Specialized MRI types","[{\"question\":\"How early should I register for a radiology appointment?\",\"answer\":\"Register 30 minutes prior to the appointment time.\"},{\"question\":\"What should diabetic patients taking metformin do before an exam with IV contrast?\",\"answer\":\"Do not take metformin on the day of the exam and for 48 hours after. Follow up with the physician for when to resume the medication.\"},{\"question\":\"What is required in the 30 days before the exam regarding creatinine?\",\"answer\":\"A creatinine blood test is required within 30 days for patients age 60+ for MRI, age 70+ for CT, for diabetes, and for certain renal history (renal insufficiency, renal masses, or single kidney). If done outside, bring a copy of results to the appointment.\"}]","Patient Prep Instructions - Radiology | PDF",1790521752]