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Application of ICD-10-GM

This section provides you with information on the use of ICD-10-GM and the application rules that apply. In addition, we provide some examples on the purposes of encoding according to ICD-10-GM.

Rules for the use of ICD-10-GM

The Tabular List for ICD-10-GM includes a brief guide to encoding. Further information on its use is provided in the brochure on basic encoding and in the ICD-10-GM FAQs. The fundamental information in the ICD-10-WHO Instruction manual also apply to ICD-10-GM. For encoding in the inpatient sector, priority is to be given to the self-administration encoding guidelines. All documents are only available in German language.

Guide to encoding in the Tabular List

The preface to the Tabular List contains a brief guide to encoding; it is also included in the online versions under supplementary information ("Ergänzende Informationen"). The guide describes what is encoded and how it is done as well as which additional designators have to be used for some specific codes. Explanation is also provided for the use of key codes with daggers, asterisks and exclamation marks.

Basic knowlege encoding brochure

The brochure on basic knowledge encoding provides a brief introduction to the use of OPS and ICD-10-GM.

Brochure "Basiswissen Kodieren" (PDF, 530 kB) (Basic Knowledge Encoding) (in German language)


Some general and code-specific questions are dealt with in the ICD-10-GM FAQ.

FAQs to ICD-10-GM (in German language)

Priority: German Coding Guidelines of the  self-governing partners

For encoding in inpatient health care (§ 301 SGB V), priority consideration is to be given to the German Coding Guidelines ("Kodierrichtlinien") of the self-governing partners, provided by the InEK on its website. The coding guidelines are part of  the G-DRG case-based fixed sum system "G-DRG-System". Since 2010, separate encoding guidelines apply to psychiatric and psychosomatic institutions, they are part of the PEPP payment system "PEPP-Entgeltsystem".

German Coding guidelines (DKR) and German Coding Guidelines for Psychiatry/Psychosomatics  (DKR-Psych) of InEK for the inpatient sector (in German language)

Detailed fundamentals: system of rules of ICD-10-WHO

Volume 2 of the for ICD-10-WHO, the  Instruction manual,  describes the use of the Tabular List and the Alphabetical Index to the ICD-10-WHO. Most importantly, it contains an introduction to ICD, to the encoding guidelines for mortality and morbidity in addition to numerous encoding examples. Chapter 1 provides a brief introduction, Chapter 2 describes what encoding entails, the purpose and applicability of ICD, the concept of a "family" of disease and health-related classifications, general principles of disease classification as well as the basic structure and principles of classification in the ICD. Of particular importance for an initial understanding of ICD-10 are the explanations on the basic structure (Chapter 2.4) and on the use of Volume 1 (Chapter 3), because they focus on structure and formal agreements. The fundamental information in the ICD-10-WHO Instruction manual also apply to encoding using ICD-10-GM.

Encoding using ICD-10-GM - a practical example

In a practical example, we provide a step-by-step explanation of how to proceed:

How do you encode using ICD-10-GM?

Use of ICD-10-GM encoded data

We will illustrate the benefits of encoding according to ICD-10-GM for some sample areas of application:

Why do you encode using ICD-10-GM?