Update README.md

README.md

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+ICD-10-GM, Alphabetical Index
+International Statistical Classification of Diseases and Related Health Problems, 10th Revision
+- German Modification -
+
+Published by the Federal Institute for Drugs and Medical Devices (BfArM),
+on behalf of the Federal Ministry of Health (BMG)
+in cooperation with the Central Institute for Statutory Health Insurance in the Federal Republic of Germany (Zi)
+
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+README FILE
+
+ICD-10-GM Version 2025 (OID 1.2.276.0.76.5.548)
+Alphabetical Index TXT (CSV)
+
+Status of the classification: September 27, 2024
+
+The status date corresponds to the status of the classification files when a new annual version is first published.
+If the files are changed and republished during the year after the initial publication due to error corrections or subsequent additions, the update date will also be stated.
+
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+CONTENTS OF THE ZIP FILE icd10gm2025alpha-txt.zip:
+
+- icd10gm2025alpha_edvtxt_readme.txt
+
+- download terms and conditions 2024.pdf
+
+- CLASSIFICATION FILE
+icd10gm2025alpha_edvtxt_20240927.txt
+
+- ADDITIONAL FILES folder
+icd10gm2025alpha_01_before_title_page.pdf
+icd10gm2025alpha_02_before_table_of_contents.pdf
+icd10gm2025alpha_03_before_foreword.pdf
+icd10gm2025alpha_04_vor_einfuehrung.pdf
+
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+NOTES ON THE REFERENCE VERSION
+
+The ICD-10-GM is published every year in different versions and formats.
+
+The binding reference version of a classification is always the currently valid systematic index as a PDF.
+
+In the event of discrepancies between the systematic index and the alphabetical index, the systematic index is authoritative.
+
+In the event of discrepancies between the various technical formats of the systematic or alphabetical index, the authoritative reference version is always the PDF.
+
+Please note:
+In the event of error corrections and updates during the year, we will inform you via corrigenda, which you can find classification-specifically under Downloads.
+
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+The classification file contains the complete alphabetical index of the ICD-10-GM.
+
+In the systematic index of the ICD, diagnoses in the class texts are only mentioned with their preferred designation; synonyms (e.g. goat's squash as a synonym for mumps) are not included.
+
+In addition to the preferred designations, the alphabetical index also contains a large number of synonyms, a total of around 89,000 diagnosis texts, encrypted with the corresponding code of the underlying ICD version.
+
+Not all codes that are included in the system are also included in the alphabet. For example, the following are missing:
+
+- Star codes as individual codes, as they can only be used together with a primary code (multiple coding); in combination with a primary code, however, they can be included
+
+- a part of the codes whose class texts in the system contain unspecific information such as "other", "unspecified", "multiple locations", "a single specified location"; however, if specific inclusives are mentioned in the system for such codes, these are included in the alphabet
+
+DATA SET DESCRIPTION
+
+Each data set consists of 8 fields, each of which is separated by the concatenation character, i.e. the vertical bar ("|"). The fields contain the following data:
+
+Field 1: Type of coding
+
+0 = pure reference set
+
+These data sets do not have a key number,
+
+but rather references to other terms within the text field,
+
+under which their key numbers are shown.
+
+1 = Coding with only one primary key number
+2 = Coding with one cross and one star key number
+3 = Coding with one primary key number and with
+an additional key number with an exclamation mark
+4 = Coding with one cross, one star and one additional key number
+5 = Coding only possible as an additional key number
+6 = Coding with two primary key numbers
+Field 2: BfArM internal sequential number
+Field 3: Print code
+0 = Sentence does not appear in the book version
+1 = Sentence appears in the book version
+Field 4: Primary key number 1 (if applicable with a cross)
+Field 5: Star key number (with a star)
+Field 6: Additional key number (with an exclamation mark)
+Field 7: Primary key number 2 (if applicable with a cross)
+Field 8: associated text, if applicable with reference
+This file is intended for integration into diagnosis coding programs.