Pneumologie, Allergologie, Schlafmedizin und Internistische Onkologie

Illnesses according to ICD

Service ICD number Number of cases Info
Sleep disorders - Primary central sleep apnea G47.31 255
Malignant neoplasm of bronchus and lung C34.1 188
Malignant neoplasm of bronchus and lung C34.3 142
Other chronic obstructive pulmonary disease J44.80 124
Sleep disorders - High altitude periodic breathing G47.32 119
Chronic obstructive pulmonary disease with acute exacerbation J44.10 96
Pneumonia organism unspecified - Bronchopneumonia unspecified organism J18.0 94
Other chronic obstructive pulmonary disease J44.89 67
Pneumonia organism unspecified - Pneumonia unspecified organism J18.9 66
Other chronic obstructive pulmonary disease J44.81 63
Malignant neoplasm of bronchus and lung C34.0 61
Pneumonia organism unspecified - Lobar pneumonia unspecified organism J18.1 57
Viral pneumonia not elsewhere classified J12.8 55
Chronic obstructive pulmonary disease with acute exacerbation J44.19 55
J84.10 53
Chronic obstructive pulmonary disease with acute exacerbation J44.11 52
Other chronic obstructive pulmonary disease J44.82 49
Carrier of infectious disease - Carrier of other infectious diseases Z22.8 48
Abnormal findings on diagnostic imaging of lung R91 42
Sleep disorders G47.1 39
Viral pneumonia not elsewhere classified - Viral pneumonia unspecified J12.9 39
Sarcoidosis - Sarcoidosis of lung D86.0 36
Respiratory failure not elsewhere classified - Acute respiratory failure with hypoxia J96.01 35
Respiratory failure not elsewhere classified - Chronic respiratory failure with hypoxia J96.11 35
Benign neoplasm of middle ear and respiratory system D14.3 33
Sleep disorders - Sleep apnea unspecified G47.30 33
Chronic obstructive pulmonary disease with acute lower respiratory infection J44.00 32
Respiratory failure not elsewhere classified - Acute respiratory failure unspecified whether with hypoxia or hypercapnia J96.00 32
Malignant neoplasm of bronchus and lung C34.8 31
Chronic obstructive pulmonary disease with acute exacerbation J44.12 30
Pneumonia organism unspecified - Other pneumonia unspecified organism J18.8 29
Sleep disorders G47.4 27
Malignant neoplasm of bronchus and lung C34.9 24
Unspecified acute lower respiratory infection J22 24
Malignant neoplasm of bronchus and lung - Malignant neoplasm of middle lobe bronchus or lung C34.2 21
Chronic obstructive pulmonary disease with acute lower respiratory infection J44.09 21
Abnormalities of breathing R06.0 21
Obesity - Excessive obesity with alveolar hypoventilation - Obesity grade III WHO in patients 18 years and older body mass index BMI of 40 to below 50 E66.26 20
Pulmonary embolism I26.9 20
Bronchiectasis J47 20
Respiratory failure not elsewhere classified - Chronic respiratory failure unspecified whether with hypoxia or hypercapnia J96.10 20
Chronic obstructive pulmonary disease with acute lower respiratory infection J44.01 19
J84.11 19
Haemorrhage from respiratory passages - Hemoptysis R04.2 19
Neoplasm of uncertain or unknown behaviour of middle ear and respiratory and intrathoracic organs - Neoplasm of uncertain behavior of trachea bronchus and lung D38.1 18
Other chronic obstructive pulmonary disease J44.83 18
Pneumonitis due to solids and liquids - Pneumonitis due to inhalation of food and vomit J69.0 18
Acute bronchitis - Acute bronchitis unspecified J20.9 17
Enlarged lymph nodes - Localized enlarged lymph nodes R59.0 16
Left ventricular failure unspecified I50.14 14
Chronic obstructive pulmonary disease with acute lower respiratory infection J44.02 12
Other pulmonary heart diseases I27.28 11
Pneumonia due to Streptococcus pneumoniae J13 11
J67.90 11
Simple and mucopurulent chronic bronchitis - Simple chronic bronchitis J41.0 10
Toxic effect of contact with venomous animals T63.4 10
Spinal muscular atrophy and related syndromes G12.2 9
Sleep disorders G47.38 9
Chronic obstructive pulmonary disease with acute lower respiratory infection J44.03 9
J45.99 9
Cough R05 9
Respiratory tuberculosis bacteriologically and histologically confirmed - Tuberculosis of lung A15.0 8
Morbid severe obesity with alveolar hypoventilation E66.21 8
Obesity - Excessive obesity with alveolar hypoventilation - Obesity grade III WHO in patients 18 years and older body mass index BMI from 50 to below 60 E66.27 8
Bronchitis not specified as acute or chronic J40 8
Chronic obstructive pulmonary disease with acute exacerbation J44.13 8
J45.09 8
J84.80 8
Viral infection of unspecified site - Coronavirus infection unspecified B34.2 7
Volume depletion E86 7
Left ventricular failure unspecified I50.13 7
Acute bronchitis - Acute bronchitis due to other specified organisms J20.8 7
Other necrotizing vasculopathies M31.3 7
Aspergillosis - Other pulmonary aspergillosis B44.1 6
Secondary and unspecified malignant neoplasm of lymph nodes - Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes C77.1 6
Acute upper respiratory infections of multiple and unspecified sites J06.8 6
Pneumonia due to Haemophilus influenzae J14 6
Bacterial pneumonia not elsewhere classified - Pneumonia due to other Gram-negative bacteria J15.6 6
Pneumonia organism unspecified - Hypostatic pneumonia unspecified organism J18.2 6
J84.00 6
J84.90 6
Pleural effusion not elsewhere classified J90 6
Drug-induced aplastic anemia D61.10 5
Heart failure I50.01 5
Acute upper respiratory infections of multiple and unspecified sites - Acute upper respiratory infection unspecified J06.9 5
Bacterial pneumonia not elsewhere classified - Pneumonia due to Klebsiella pneumoniae J15.0 5
J45.95 5
Postprocedural respiratory disorders not elsewhere classified J95.0 5
Respiratory failure not elsewhere classified - Respiratory failure unspecified with hypoxia J96.91 5
Other respiratory disorders - Disorders of diaphragm J98.6 5
Abnormal results of function studies - Abnormal results of pulmonary function studies R94.2 5
Adverse effects not elsewhere classified T78.3 5
Candidiasis - Pulmonary candidiasis B37.1 4
Other mycoses not elsewhere classified B48.5 4
Mesothelioma - Mesothelioma of pleura C45.0 4
Spread metastasis of cancer in otherwise unspecified areas of the body C79.3 4
Sarcoidosis - Sarcoidosis of lung with sarcoidosis of lymph nodes D86.2 4
Sarcoidosis - Sarcoidosis unspecified D86.9 4
Sleep disorders - Other sleep disorders G47.8 4
Flu through seasonally proven influenza viruses J10.0 4
Bacterial pneumonia not elsewhere classified - Pneumonia due to Pseudomonas J15.1 4
Bacterial pneumonia not elsewhere classified J15.2 4
Bacterial pneumonia not elsewhere classified - Pneumonia due to Escherichia coli J15.5 4
Other specified diseases of upper respiratory tract J39.80 4
Unspecified chronic bronchitis J42 4
J45.02 4
J45.12 4
3 Pneumothorax - Spontaneous tension pneumothorax J93.0 4
Respiratory failure not elsewhere classified J96.99 4
Nausea and vomiting R11 4
Syncope and collapse R55 4
Adverse effects not elsewhere classified T78.2 4
Viral and other specified intestinal infections A08.3 not specified
Diarrhoea and gastroenteritis of presumed infectious origin A09.0 not specified
Diarrhoea and gastroenteritis of presumed infectious origin A09.9 not specified
Respiratory tuberculosis bacteriologically and histologically confirmed A15.2 not specified
Respiratory tuberculosis bacteriologically and histologically confirmed A15.3 not specified
Respiratory tuberculosis bacteriologically and histologically confirmed - Tuberculosis of intrathoracic lymph nodes A15.4 not specified
Respiratory tuberculosis not confirmed bacteriologically or histologically A16.0 not specified
Respiratory tuberculosis not confirmed bacteriologically or histologically A16.9 not specified
Miliary tuberculosis - Miliary tuberculosis unspecified A19.9 not specified
Infection due to other mycobacteria - Pulmonary mycobacterial infection A31.0 not specified
Whooping coug A37.9 not specified
Streptococcal septicaemia - Other streptococcal sepsis A40.8 not specified
Other septicaemia A41.0 not specified
Other septicaemia - Sepsis due to other specified staphylococcus A41.1 not specified
Other septicaemia - Sepsis due to Escherichia coli E. coli A41.51 not specified
Other septicaemia A41.8 not specified
Other septicaemia - Sepsis unspecified organism A41.9 not specified
Erysipelas A46 not specified
Other bacterial diseases not elsewhere classified - Legionnaires disease A48.1 not specified
Bacterial infection of unspecified site A49.0 not specified
Bacterial infection of unspecified site - Streptococcal infection unspecified site A49.1 not specified
Bacterial infection of unspecified site - Hemophilus influenzae infection unspecified site A49.2 not specified
Bacterial infection of unspecified site - Other bacterial infections of unspecified site A49.8 not specified
Human immunodeficiency virus HIV disease resulting in infectious and parasitic diseases B20 not specified
Candidiasis - Candidal esophagitis B37.81 not specified
Candidiasis B37.88 not specified
Aspergillosis - Aspergillosis unspecified B44.9 not specified
Echinococcosis - Echinococcus granulosus infection of lung B67.1 not specified
Other and unspecified infectious diseases B99 not specified
Malignant neoplasm of base of tongue C01 not specified
Malignant neoplasm of floor of mouth - Malignant neoplasm of floor of mouth unspecified C04.9 not specified
Malignant neoplasm of hypopharynx - Malignant neoplasm of overlapping sites of hypopharynx C13.8 not specified
Malignant neoplasm of colon - Malignant neoplasm of colon unspecified C18.9 not specified
Malignant neoplasm of rectum C20 not specified
Malignant neoplasm of liver and intrahepatic bile ducts - Liver cell carcinoma C22.0 not specified
Malignant neoplasm of thymus C37 not specified
Malignant neoplasm of heart mediastinum and pleura - Malignant neoplasm of mediastinum part unspecified C38.3 not specified
Malignant neoplasm of heart mediastinum and pleura - Malignant neoplasm of pleura C38.4 not specified
Malignant melanoma of skin - Malignant melanoma of scalp and neck C43.4 not specified
Malignant melanoma of skin C43.7 not specified
Malignant neoplasm of other connective and soft tissue - Malignant neoplasm of connective and soft tissue of thorax C49.3 not specified
Malignant neoplasm of breast C50.4 not specified
Malignant neoplasm of breast C50.9 not specified
Malignant neoplasm of prostate C61 not specified
Malignant neoplasm of kidney except renal pelvis C64 not specified
Secondary malignant neoplasm of respiratory and digestive organs C78.0 not specified
Secondary malignant neoplasm of respiratory and digestive organs - Secondary malignant neoplasm of pleura C78.2 not specified
Spread metastasis of cancer in otherwise unspecified areas of the body C79.5 not specified
Malignant neoplasm without specification of site - Disseminated malignant neoplasm unspecified C80.0 not specified
Hodgkin lymphoma C81.3 not specified
Non-follicular lymphoma C83.1 not specified
Non-follicular lymphoma C83.3 not specified
Non-follicular lymphoma C83.5 not specified
Other and unspecified types of non-Hodgkin lymphoma C85.1 not specified
Other and unspecified types of non-Hodgkin lymphoma C85.7 not specified
Other specified T/NK-cell lymphomas - Angioimmunoblastic T-cell lymphoma C86.5 not specified
Waldenstrom macroglobulinemia C88.00 not specified
Multiple myeloma and malignant plasma cell neoplasms - Multiple myeloma not having achieved remission C90.00 not specified
Lymphoid leukaemia - Adult T-cell lymphoma/leukemia HTLV-1-associated not having achieved remission C91.50 not specified
Myeloid leukaemia - Chronic myeloid leukemia BCR/ABL-positive in remission C92.11 not specified
Benign neoplasm of other and unspecified sites - Benign neoplasm of other specified sites D36.7 not specified
Neoplasm of uncertain or unknown behaviour of urinary organs D41.0 not specified
Other neoplasms of uncertain or unknown behaviour of lymphoid haematopoietic and related tissue D47.5 not specified
Iron deficiency anaemia - Other iron deficiency anemias D50.8 not specified
Thrombocytopenia unspecified D69.61 not specified
Agranulocytosis secondary to cancer chemotherapy D70.13 not specified
Agranulocytosis secondary to cancer chemotherapy D70.19 not specified
Immunodeficiency associated with other major defects - Hyperimmunoglobulin E IgE syndrome D82.4 not specified
Other immunodeficiencies - Defects in the complement system D84.1 not specified
Sarcoidosis - Sarcoidosis of lymph nodes D86.1 not specified
Morbid severe obesity with alveolar hypoventilation E66.20 not specified
Obesity - Excessive obesity with alveolar hypoventilation - Obesity grade III WHO in patients 18 years and older body mass index BMI of 60 and more. E66.28 not specified
Hereditary metabolic disease with disorders of secretion of certain body fluids such as sweat or mucus - cystic fibrosis - Cystic fibrosis with pulmonary manifestations E84.0 not specified
Amyloidosis - Non-neuropathic heredofamilial amyloidosis E85.0 not specified
Amyloidosis - Organ-limited amyloidosis E85.4 not specified
Other disorders of fluid electrolyte and acid-base balance - Hypo-osmolality and hyponatremia E87.1 not specified
Other neurotic disorders F48.0 not specified
Nonorganic sleep disorders F51.0 not specified
Nonorganic sleep disorders - Sleepwalking somnambulism F51.3 not specified
Other extrapyramidal and movement disorders - Restless legs syndrome G25.81 not specified
Chronic inflammatory disease of the nervous system - multiple sclerosis G35.9 not specified
Epilepsy G40.3 not specified
Other transient cerebral ischemic attacks and related syndromes G45.89 not specified
Sleep disorders G47.0 not specified
Sleep disorders G47.2 not specified
Sleep disorders - Other sleep apnea G47.39 not specified
Hereditary and idiopathic neuropathy - Hereditary motor and sensory neuropathy G60.0 not specified
Primary disorders of muscles G71.0 not specified
Primary disorders of muscles - Other primary disorders of muscles G71.8 not specified
Primary disorders of muscles - Primary disorder of muscle unspecified G71.9 not specified
Other disorders of brain - Anoxic brain damage not elsewhere classified G93.1 not specified
Other disorders of brain G93.80 not specified
Hypertensive heart disease with heart failure I11.01 not specified
Other forms of angina pectoris I20.8 not specified
Acute myocardial infarction I21.0 not specified
Acute myocardial infarction - Non-ST elevation NSTEMI myocardial infarction I21.4 not specified
Chronic ischaemic heart disease - Ischemic cardiomyopathy I25.5 not specified
Pulmonary embolism I26.0 not specified
Other pulmonary heart diseases - Primary pulmonary hypertension I27.0 not specified
Other pulmonary heart diseases - Pulmonary hypertension unspecified I27.20 not specified
Other pulmonary heart diseases - Pulmonary heart disease unspecified I27.9 not specified
Other diseases of pulmonary vessels - Arteriovenous fistula of pulmonary vessels I28.0 not specified
Atrial fibrillation and flutter - Paroxysmal atrial fibrillation I48.0 not specified
Atrial fibrillation and flutter I48.1 not specified
Other cardiac arrhythmias I49.0 not specified
Left ventricular failure unspecified I50.11 not specified
Complications and ill-defined descriptions of heart disease - Heart disease unspecified I51.9 not specified
Cerebral infarction I63.5 not specified
Other cerebrovascular diseases - Progressive vascular leukoencephalopathy I67.3 not specified
Atherosclerosis - Atherosclerosis of aorta I70.0 not specified
Aortic aneurysm and dissection - Abdominal aortic aneurysm without rupture I71.4 not specified
Acute sinusitis J01.4 not specified
Acute tonsillitis J03.9 not specified
Acute laryngitis and tracheitis - Acute laryngitis J04.0 not specified
Acute laryngitis and tracheitis J04.1 not specified
Influenza due to other identified influenza virus with other respiratory manifestations J10.1 not specified
Influenza virus not identified J11.0 not specified
Viral pneumonia not elsewhere classified - Respiratory syncytial virus pneumonia J12.1 not specified
Viral pneumonia not elsewhere classified - Parainfluenza virus pneumonia J12.2 not specified
Bacterial pneumonia not elsewhere classified - Pneumonia due to other streptococci J15.4 not specified
Bacterial pneumonia not elsewhere classified - Pneumonia due to Mycoplasma pneumoniae J15.7 not specified
Bacterial pneumonia not elsewhere classified - Pneumonia due to other specified bacteria J15.8 not specified
Pneumonia due to other infectious organisms not elsewhere classified - Chlamydial pneumonia J16.0 not specified
Acute bronchitis - Acute bronchitis due to Hemophilus influenzae J20.1 not specified
Acute bronchitis - Acute bronchitis due to streptococcus J20.2 not specified
Acute bronchitis - Acute bronchitis due to respiratory syncytial virus J20.5 not specified
Acute bronchiolitis - Acute bronchiolitis due to other specified organisms J21.8 not specified
Acute bronchiolitis - Acute bronchiolitis unspecified J21.9 not specified
Diseases of vocal cords and larynx not elsewhere classified - Paralysis of vocal cords and larynx unspecified J38.00 not specified
Simple and mucopurulent chronic bronchitis - Mucopurulent chronic bronchitis J41.1 not specified
Emphysema - Centrilobular emphysema J43.2 not specified
Emphysema - Other emphysema J43.8 not specified
Chronic obstructive pulmonary disease unspecified J44.90 not specified
Chronic obstructive pulmonary disease unspecified J44.91 not specified
Chronic obstructive pulmonary disease unspecified J44.99 not specified
J45.00 not specified
J45.01 not specified
J45.03 not specified
J45.04 not specified
J45.05 not specified
J45.11 not specified
J45.19 not specified
Asthma J45.8 not specified
J45.82 not specified
J45.83 not specified
J45.84 not specified
J45.85 not specified
Asthma J45.9 not specified
J45.91 not specified
J45.92 not specified
J45.94 not specified
J61.0 not specified
Pneumoconiosis due to dust containing silica - Pneumoconiosis due to other dust containing silica J62.8 not specified
J67.20 not specified
Pulmonary eosinophilia not elsewhere classified J82 not specified
Other interstitial pulmonary diseases J84.1 not specified
J84.81 not specified
Abscess of lung and mediastinum - Abscess of lung with pneumonia J85.1 not specified
Abscess of lung and mediastinum - Abscess of lung without pneumonia J85.2 not specified
Pyothorax without fistula J86.9 not specified
3 Pneumothorax J93.8 not specified
Other pleural conditions - Other specified pleural conditions J94.8 not specified
Respiratory failure not elsewhere classified J96.09 not specified
Respiratory failure not elsewhere classified - Respiratory failure unspecified unspecified whether with hypoxia or hypercapnia J96.90 not specified
Other respiratory diseases - Lung collapse - Dystelectasis J98.10 not specified
Other diseases of the respiratory tract - Lung collapse - Partial atelectasis J98.11 not specified
Other respiratory disorders - Other disorders of lung J98.4 not specified
Other respiratory disorders J98.7 not specified
Gastric ulcer - Acute gastric ulcer with hemorrhage K25.0 not specified
Acute appendicitis K35.2 not specified
Femoral hernia - Unilateral femoral hernia with obstruction without gangrene not specified as recurrent K41.30 not specified
Other noninfective gastroenteritis and colitis K52.8 not specified
Paralytic ileus and intestinal obstruction without hernia K56.6 not specified
Other diseases of intestine - Polyp of colon K63.5 not specified
Haemorrhoids and perianal venous thrombosis - Second degree hemorrhoids K64.1 not specified
Other diseases of liver - Hepatorenal syndrome K76.7 not specified
Calculus of gallbladder with acute cholecystitis without obstruction K80.00 not specified
Calculus of gallbladder with acute cholecystitis with obstruction K80.01 not specified
Calculus of gallbladder with chronic cholecystitis without obstruction K80.10 not specified
Acute pancreatitis - Biliary acute pancreatitis without necrosis or infection K85.10 not specified
Other diseases of digestive system - Melena K92.1 not specified
Other diseases of digestive system - Gastrointestinal hemorrhage unspecified K92.2 not specified
Allergic contact dermatitis - Allergic contact dermatitis due to drugs in contact with skin L23.3 not specified
Dermatitis due to substances taken internally - Generalized skin eruption due to drugs and medicaments taken internally L27.0 not specified
Seropositive rheumatoid arthritis - Rheumatoid lung disease with rheumatoid arthritis of multiple sites M05.19 not specified
Seropositive rheumatoid arthritis - Rheumatoid heart disease with rheumatoid arthritis of unspecified site M05.30 not specified
Other rheumatoid arthritis - Other specified rheumatoid arthritis unspecified site M06.80 not specified
Polyarteritis nodosa and related conditions - Polyarteritis nodosa M30.0 not specified
Polyarteritis nodosa and related conditions - Polyarteritis with lung involvement Churg-Strauss M30.1 not specified
Systemic lupus erythematosus - Systemic lupus erythematosus unspecified M32.9 not specified
Systemic sclerosis - Progressive systemic sclerosis M34.0 not specified
Systemic sclerosis M34.8 not specified
Systemic sclerosis - Systemic sclerosis unspecified M34.9 not specified
Other systemic involvement of connective tissue M35.0 not specified
Kyphosis and lordosis M40.20 not specified
Scoliosis M41.14 not specified
Scoliosis - Other idiopathic scoliosis thoracic region M41.24 not specified
Scoliosis - Other idiopathic scoliosis thoracolumbar region M41.25 not specified
Scoliosis - Other forms of scoliosis site unspecified M41.80 not specified
Scoliosis - Other forms of scoliosis thoracic region M41.84 not specified
Scoliosis - Other forms of scoliosis thoracolumbar region M41.85 not specified
Scoliosis M41.89 not specified
Scoliosis unspecified M41.90 not specified
Scoliosis unspecified M41.99 not specified
Other inflammatory spondylopathies - Discitis unspecified cervical region M46.42 not specified
Spondylosis M47.04 not specified
Other spondylopathies - Spinal stenosis cervical region M48.02 not specified
Other spondylopathies M48.06 not specified
Acute tubulo-interstitial nephritis N10 not specified
Chronic renal failure - Chronic kidney disease stage 4 severe N18.4 not specified
Cystitis N30.0 not specified
Other disorders of urinary system - Urinary tract infection site not specified N39.0 not specified
Haemorrhage from respiratory passages R04.8 not specified
Pain in throat and chest - Chest pain on breathing R07.1 not specified
Pain in throat and chest - Precordial pain R07.2 not specified
Pain in throat and chest R07.3 not specified
Pain in throat and chest R07.4 not specified
Other symptoms and signs involving the circulatory and respiratory systems - Pleurisy R09.1 not specified
Dysphagia R13.1 not specified
Rash and other nonspecific skin eruption R21 not specified
Dizziness and giddiness R42 not specified
Fever of other and unknown origin R50.80 not specified
Fever of other and unknown origin R50.88 not specified
Malaise and fatigue R53 not specified
Enlarged lymph nodes - Enlarged lymph nodes unspecified R59.9 not specified
Elevated blood glucose level - Hyperglycemia unspecified R73.9 not specified
Abnormal findings on diagnostic imaging of central nervous system - Intracranial space-occupying lesion found on diagnostic imaging of central nervous system R90.0 not specified
Fracture of neck S12.0 not specified
Other and unspecified injuries of neck S19.88 not specified
Fracture of ribs sternum and thoracic spine S22.04 not specified
Fracture of ribs sternum and thoracic spine S22.06 not specified
Injury of intra-abdominal organs S36.04 not specified
Fracture of femur S72.01 not specified
Fracture of femur S72.10 not specified
Fracture of lower leg including ankle S82.81 not specified
Foreign body in respiratory tract T17.5 not specified
Foreign body in respiratory tract T17.9 not specified
Toxic effect of other gases fumes and vapours T59.9 not specified
Adverse effects not elsewhere classified T78.0 not specified
Adverse effects not elsewhere classified T78.4 not specified
Complications of cardiac and vascular prosthetic devices implants and grafts T82.7 not specified
Other complications of surgical and medical care not elsewhere classified T88.7 not specified
Medical observation and evaluation for suspected diseases and conditions Z03.0 not specified
Medical observation and evaluation for suspected diseases and conditions Z03.1 not specified
Medical observation and evaluation for suspected diseases and conditions Z03.8 not specified
Carrier of infectious disease Z22.3 not specified
Carrier of infectious disease - Carrier of infectious disease unspecified Z22.9 not specified