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. 2022 Oct 12;13:5822. doi: 10.1038/s41467-022-33573-6

Table 7.

CCS categories merged in analysis

ORIGINAL CCS CATEGORY ORIGINAL CCS CATEGORY DESCRIPTION MERGED CCS CATEGORY DESCRIPTION
124 Acute and chronic tonsillitis Infectious disease
157 Acute and unspecified renal failure Renal
125 Acute bronchitis Other lower respiratory disease
109 Acute cerebrovascular disease Vascular Disease & CVD
100 Acute myocardial infarction Vascular Disease & CVD
660 Alcohol-related disorders Mental health
147 Anal and rectal conditions Hemorrhoids
116 Aortic and peripheral arterial embolism or thrombosis Vascular Disease & CVD
115 Aortic; peripheral; and visceral artery aneurysms Vascular Disease & CVD
142 Appendicitis and other appendiceal conditions GI
128 Asthma Other lower respiratory disease
652 Attention-deficit conduct and disruptive behavior disorders Mental health
3 Bacterial infection; unspecified site Infectious disease
149 Biliary tract disease Other liver disease
21 Cancer of bone and connective tissue Cancer
35 Cancer of brain and nervous system Cancer
24 Cancer of breast Cancer
19 Cancer of bronchus; lung Cancer
26 Cancer of cervix Cancer
14 Cancer of colon Cancer
33 Cancer of kidney and renal pelvis Cancer
16 Cancer of liver and intrahepatic bile duct Cancer
18 Cancer of other GI organs; peritoneum Cancer
27 Cancer of ovary Cancer
29 Cancer of prostate Cancer
15 Cancer of rectum and anus Cancer
13 Cancer of stomach Cancer
41 Cancer; other and unspecified primary Cancer
158 Chronic kidney disease Renal
127 Chronic obstructive pulmonary disease and bronchiectasis Other lower respiratory disease
108 Congestive heart failure; non-hypertensive Vascular Disease & CVD
101 Coronary atherosclerosis and other heart disease Vascular Disease & CVD
653 Delirium dementia and amnestic and other cognitive disorders Mental health
50 Diabetes mellitus with complications Diabetes
49 Diabetes mellitus without complication Diabetes
137 Diseases of mouth; excluding dental Infectious disease
98 Essential hypertension Hypertension
246 Fever of unknown origin Infectious disease
248 Gangrene Infectious disease
140 Gastritis and duodenitis GI
139 Gastroduodenal ulcer (except hemorrhage) GI
153 Gastrointestinal hemorrhage GI
88 Glaucoma Eye
54 Gout and other crystal arthropathies Joint disease
84 Headache; including migraine Conditions associated with dizziness or vertigo
96 Heart valve disorders Vascular Disease & CVD
6 Hepatitis Other liver diseases
5 HIV infection Infectious disease
99 Hypertension with complications and secondary hypertension Hypertension
656 Impulse control disorders NEC Mental health
201 Infective arthritis and osteomyelitis (except that caused by tuberculosis or sexually transmitted disease) Infectious disease
123 Influenza Infectious disease
135 Intestinal infection Infectious disease
43 Malignant neoplasm without specification of site Cancer
670 Miscellaneous mental health disorders Mental health
657 Mood disorders Mental health
40 Multiple myeloma Cancer
156 Nephritis; nephrosis; renal sclerosis Renal
38 Non-Hodgkin’s lymphoma Cancer
154 Noninfectious gastroenteritis GI
110 Occlusion or stenosis of precerebral arteries Vascular Disease & CVD
203 Osteoarthritis Joint disease
111 Other and ill-defined cerebrovascular disease Vascular Disease & CVD
104 Other and ill-defined heart disease Vascular Disease & CVD
212 Other bone disease and musculoskeletal deformities Joint disease
78 Other CNS infection and poliomyelitis Infectious disease
162 Other diseases of bladder and urethra Renal
161 Other diseases of kidney and ureters Renal
121 Other diseases of veins and lymphatics Vascular Disease & CVD
141 Other disorders of stomach and duodenum GI
155 Other gastrointestinal disorders GI
198 Other inflammatory condition of skin Other skin disorders
23 Other nonepithelial cancer of skin Cancer
134 Other upper respiratory disease Other lower respiratory disease
126 Other upper respiratory infections Other lower respiratory disease
152 Pancreatic disorders (not diabetes) GI
97 Peri-; endo-; and myocarditis; cardiomyopathy (except that caused by tuberculosis or sexually transmitted disease) Vascular Disease & CVD
118 Phlebitis; thrombophlebitis and thromboembolism Vascular Disease & CVD
130 Pleurisy; pneumothorax; pulmonary collapse Other lower respiratory disease
122 Pneumonia (except that caused by tuberculosis or sexually transmitted disease) Other lower respiratory disease
103 Pulmonary heart disease Other lower respiratory disease
87 Retinal detachments; defects; vascular occlusion; and retinopathy Eye
659 Schizophrenia and other psychotic disorders Mental health
2 Septicemia (except in labor) Infectious disease
197 Skin and subcutaneous tissue infections Other skin disorders
661 Substance-related disorders Mental health
662 Suicide and intentional self-inflicted injury Mental health
245 Syncope Conditions associated with dizziness or vertigo
112 Transient cerebral ischemia Vascular Disease & CVD
1 Tuberculosis Infectious disease
119 Varicose veins of lower extremity Vascular Disease & CVD
7 Viral infection Infectious disease

CCS Categories merged based on clinical determination that it was appropriate to merge to other CCS categories or a separate CCS Category needed to be created