About Us


An introduction to our laboratory – your partner in laboratory diagnostics

Back in 1948, the physician Dr Ulatowski founded a small private medical laboratory in the Friedrichshain district of Berlin.
After his death in the early 1970s, his wife took over its management.
Just 2 years later, however, the city district doctor at the time brought this laboratory under state control and appointed a specialist in internal medicine as its first director. Only one year later, the out-patient health care department was able to acquire the services of a young clinical chemist as the laboratory manager, Dr Wolfgang Gerhard. In 1974, only 5 employees and very simple technical equipment were available to him for analysing the incoming samples.
By 1976, however, the laboratory had experienced such rapid growth in the numbers of patients it handled that additional rooms had to be built on site. In the eighties, there were already 50 employees working in the laboratory and its branch locations in the city district.
As a result of the collapse of the GDR in 1989, the laboratory was privatised again, and many of its employees left their positions. The number of doctors submitting samples initially fell.
Only 7 medical assistants were available to perform the extensive work on the machines and to complete the manual tasks.

In April 1992, laboratory physician Dr med. Hans Joachim Rödger and Dr habil. Wolfgang Gerhard joined forces and began to develop a large, modern, constantly evolving medical laboratory.
The laboratory continued to increase in size. By 1996, more space was needed to carry out modern analytical procedures, so it moved into newer, larger premises on Sonnenburger Strasse in the Prenzlauer Berg district of Berlin.

The MDI represented an independent, private laboratory until the spring of 2016. But after so many years of collaboration, Drs Rödger and Gerhard decided that the time had come for the laboratory to find new owners who would ensure that it could continue on its path of development. As Dr Rödger and Dr Limbach had been acquainted since their days as junior doctors, the two re-established contact, and the MDI were then incorporated as part of the Limbach Group.

Today the laboratory can look back on over 60 years of work at the heart of Berlin, now with Dr. Dr. Knud-Peter Krause as an additional managing director since 1 February 2017.

In the to and fro of its daily business, the laboratory can count on the expertise of its roughly 200 employees and their constant endeavours to provide highly specialised, rapid and competent support to its senders.

Our laboratory is D-ML-13341-01-00-accredited in accordance with DIN EN ISO 15189:2014. We are also in possession of the quality certificate, which ensures that the work processes run optimally, with high quality, professional skills and excellent service while striving towards greater dynamism and flexibility. It is a truly future-oriented company.

Since their founding, the Medical Diagnostics Institutes in Berlin have evolved to become one of the most high-performance clinical laboratory service providers in the Berlin, Brandenburg and Mecklenburg-Western Pomerania regions. Samples from many towns and cities in our country as well as a number from abroad arrive every day at the laboratory.
We currently have at our disposal – spread over a total area of more than 3,500 m2 – all the methods of modern laboratory diagnostics, distinguished by the high degree of specialisation they offer.

As a member of the Limbach Group, Germany’s largest association of owner-managed, medical laboratories, our senders can rely on a broad range of diagnostics, as well as the entire spectrum of special diagnostics, combined with an outstanding quality of service. Our membership in this group gives us access to a wide variety of prestigious consultant physicians and scientists within the field of laboratory medicine. They can guarantee excellent quality and provide invaluable support in their daily work with patients.

More than 900 doctors and over 25 clinics (with around 8,000 beds) in Berlin, Brandenburg and Mecklenburg-Western Pomerania as well as occupational health services and research institutes have placed their faith in our expertise.

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