Selected main diagnoses and their 10 most frequent secondary diagnoses of full-time patients in hospitals (rank, number, percentage). Classification: years, Germany, main diagnoses, secondary diagnoses

ICD10	Figures
	Rank	Number	Percentage of secondary diagnoses of all secondary diagnoses
C77 Secondary and unspecified malignant neoplasm of lymph nodes	6	73,743	3.8
C78 Secondary malignant neoplasm of respiratory and digestive organs	7	67,272	3.4
C79 Secondary malignant neoplasms of other sites	3	82,600	4.2
E87 Other disorders of fluid, electrolyte, and acid-base balance	10	35,793	1.8
I10 Essential (primary) hypertension	4	82,536	4.2
J44 Other chronic obstructive pulmonary disease	8	44,571	2.3
J96 Respiratory failure, not elsewhere classified	9	40,912	2.1
Z11 Special screening examination for infectious and parasitic diseases	2	158,940	8.1
Z92 Personal history of medical treatment	5	77,015	3.9
U99 Unused key number	1	159,911	8.2
All secondary diagnoses for this main diagnosis		1,957,061	100.0
Main diagnosis:		-
Sum of 10 most frequent secondary diagnoses for this main diagnosis		823,293	42.1

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Dimension	Current dimension value	List of dimension values
Year	2022	2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
ICD10 DRG main diagnosis	C34 Malignant neoplasm of bronchus and lung	C34 Malignant neoplasm of bronchus and lung C50 Malignant neoplasm of breast E11 Non-insulin-dependent diabetes mellitus [type-II-diabetes] E86 Volume depletion F10 Mental and behavioral disorders due to use of alcohol G40 Epilepsy G47 Sleep disorders I10 Essential (primary) hypertension I20 Angina pectoris I21 Acute myocardial infarction I25 Chronic ischaemic heart disease I48 Atrial fibrillation and flutter I50 Heart failure I63 Cerebral infarction I70 Atherosclerosis J18 Pneumonia, organism unspecified J35 Chronic diseases of tonsils and adenoids J44 Other chronic obstructive pulmonary disease K29 Gastritis and duodenitis K40 Hernia inguinalis K80 Cholelithiasis M16 Coxarthrosis [arthrosis of hip] M17 Gonarthrosis [arthrosis of knee] M51 Other intervertebral disc disorders M54 Dorsalgia N13 Obstructive and reflux uropathy N39 Other diseases of the urinary system O80 Spontangeburt eines Einlings R07 Pain in throat and chest R55 Syncope and collapse S06 Intracranial injury S52 Fracture of forearm S72 Fracture of femur S82 Fracture of lower leg, including ankle A09 Diarrhea and gastroenteritis of presumed infectious origin

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Source(s)/Contact

• Reimbursement systems for hospital inpatients - DRG-Statistics and PEPP-Statistics, Federal Statistical Office, Branch Bonn (more information on 
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Definition(s)

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Comment(s)

• The data collection covers all hospitals, which account according to the DRG-compensation system and which are subject to § 1 KHEntgG.
• If the main diagnosis and the side-diagnosis differ only in the 4th oder 5th digit, the main diagnosis and the side-diagnosis shown in the table can be the same.

Refresh period of data

• The table was extended by the year 2022 on 27 Sep 2023.
  Information for a new reporting period will be added as soon as it is available.

The Federal Health Monitoring System 19. Apr 2024