Gastrointestinal diagnosis in Germany is rarely a single test: upper abdominal pain, a changed stool or weight loss have too many possible causes. So the work-up is a sequence, with each step ordered on the result of the one before.
This page explains how such a programme is assembled, how many days it takes and why German practice does not simply book every test at once. Individual procedures have their own pages, and the field as a whole is covered under gastroenterology in Germany.
Why people come and what happens at the first appointment
People usually come with complaints that found no explanation at home: years of pain or heaviness after eating without a clear diagnosis, blood in the stool, iron deficiency anaemia of unclear origin, suspected inflammatory bowel disease, or follow-up after stomach or bowel surgery.
The first appointment is a detailed conversation about when the symptoms appear and what brings them on, then an examination and a review of the results brought along. The gastroenterologist decides which procedure is needed before anything is booked.
Records from home are re-read rather than repeated: images and slides can be assessed again. An endoscopy report without photographs and histology is hard to build on, though, and often means a repeat endoscopy; it is better to know this in advance.
Endoscopy: what the set includes
The core of the set is gastroscopy and colonoscopy. Gastroscopy in Germany examines the oesophagus, stomach and start of the duodenum and takes small tissue samples; colonoscopy in Germany examines the large bowel, and polyps found can be removed at the same session.
When these two are not enough, three more can be added. Endosonography is ultrasound from inside: the probe on the endoscope’s tip shows the layers of the gut wall and, through it, the nearby pancreas. Capsule endoscopy covers the small bowel, which an ordinary endoscope barely reaches because of its length and loops: the patient swallows a camera capsule that photographs the lining. ERCP is used when the bile ducts are the question: contrast is injected into them through an endoscope and X-rays are taken.
Patients notice German practice in the details: images and video are stored, every sample goes to pathology for examination under the microscope rather than being described by eye, and the report states where each sample was taken.
What is examined besides endoscopy
Besides endoscopy come laboratory tests, imaging and sometimes tests of how the organs work. The laboratory covers blood counts and inflammation markers, iron, liver and pancreatic enzymes, faecal calprotectin, a stool protein that signals bowel inflammation, and the Helicobacter pylori breath test.
Abdominal ultrasound is usually the first and cheapest imaging step. In Crohn’s disease the small bowel is shown by MR enterography, an MRI after drinking a solution that distends the bowel. Because of radiation, CT is kept for specific indications, as the Crohn’s disease guideline of the German Society of Gastroenterology (DGVS) advises.
Patients rarely know about functional tests. For reflux there are oesophageal manometry, which measures how the oesophagus contracts, and 24-hour pH monitoring, in which a thin probe records acid flowing back. Breath tests check for lactose and fructose intolerance. They matter when endoscopy has found nothing but the complaints remain.
Preparation, sedation and how many days it takes
Endoscopy needs preparation and is usually done under sedation; with the wait for histology, the programme takes several days. Nothing is eaten for 6 to 8 hours before a gastroscopy, and for a colonoscopy the bowel is cleared with a laxative. Blood thinners sometimes have to be paused days ahead, which the doctor decides, so mention them in advance. Sedation is routine in Germany: the patient sleeps through the procedure but needs someone to take them home and must not drive that day.
The days run like this: appointment and laboratory, the procedures (often gastroscopy and colonoscopy on one day under one sedation), the wait for histology and the closing conversation. That conversation needs the finished histology, so the programme rarely fits into two days. Such work-ups are run, for example, by Prof. Brigitte Mayinger, gastroenterologist, chief physician of the Clinic for Gastroenterology, Diabetology and General Internal Medicine at Helios Klinikum München West.
What the patient takes home
The patient takes home written procedure reports with images, a pathology report for every sample, the laboratory results and the doctor’s summary with treatment advice and the interval for the next check. What a pathology report says is explained under biopsy in Germany.
Ask for copies on a disc or USB stick, with a translation: in a disease managed over years, it helps if the doctor at home works from the same raw data. If slides and blocks from an earlier biopsy exist, a slide review and a second opinion are possible without travelling.
Frequently asked questions
How many days does gastrointestinal diagnosis in Germany take?
Usually more than two days, because of the wait for histology rather than the number of procedures. Tests and endoscopies often fit into the first days, but the closing conversation needs the pathologist’s report. The doctor gives a closer estimate after reviewing the documents.
Do tests done at home have to be repeated?
Not always: a German doctor re-reads much of what has been done instead of repeating it, including images on disc and histology slides. Endoscopy is different: a report without photographs and histology is hard to build on, so it is often repeated. Send everything in advance.
Can a gastroscopy and a colonoscopy be done on the same day?
Yes, both are often done on the same day under one sedation, so the patient falls asleep only once. The full preparation is still needed: an empty stomach and a cleared bowel. Driving is not allowed for the rest of that day, so leave with a companion.
How AlenMed arranges gastrointestinal diagnosis
AlenMed starts with the documents: discharge letters, earlier endoscopy reports, slides and blocks go to a gastroenterologist, who says what is worth repeating and what is not. Then come the appointment, the visa invitation letter and an interpreter at the consultation and the results discussion.
Allow extra days in Germany for histology: until it is ready, there is no closing conversation. Later questions from home go to the doctor through an AlenMed coordinator. Payment goes directly to the clinic on its estimate; guide figures are on the page on diagnostics prices in Germany.
This material is for information only and is not an offer. Which tests are done is decided by a doctor in person.