Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
COVID-19 Complication Type Project 5 (COVID-19) Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
NIH CDEs
  • Project 5 (COVID-19)
    • Tier 1

# Datatype
Value List

# Permissible value Value meaning definition Concept Concept source
Acute renal failure Sudden and sustained deterioration of the kidney function characterized by decreased glomerular filtration rate, increased serum creatinine or oliguria. C26808 C26808 NCI Thesaurus
Acute respiratory distress syndrome (ARDS) Progressive and life-threatening pulmonary distress in the absence of an underlying pulmonary condition, usually following major trauma or surgery. Cases of neonatal respiratory distress syndrome are not included in this definition. C3353 C3353 NCI Thesaurus
Anemia A reduction in the number of red blood cells, the amount of hemoglobin, and/or the volume of packed red blood cells. Clinically, anemia represents a reduction in the oxygen-transporting capacity of a designated volume of blood, resulting from an imbalance between blood loss (through hemorrhage or hemolysis) and blood production. Signs and symptoms of anemia may include pallor of the skin and mucous membranes, shortness of breath, palpitations of the heart, soft systolic murmurs, lethargy, and fatigability. C2869 C2869 NCI Thesaurus
Appendicitis Acute inflammation of the vermiform appendix. C35145 C35145 NCI Thesaurus
Arterial Thrombosis Formation of a blood clot in the lumen of an artery. C98826 C98826 NCI Thesaurus
Arthritis An inflammatory process affecting a joint. Causes include infection, autoimmune processes, degenerative processes, and trauma. Signs and symptoms may include swelling around the affected joint and pain. C2883 C2883 NCI Thesaurus
Bacteremia A laboratory test result that indicates the presence of bacteria in the blood. C102993 C102993 NCI Thesaurus
Bleeding The flow of blood from a ruptured blood vessel. C26791 C26791 NCI Thesaurus
Blood Clots An aggregation of blood factors, primarily platelets and fibrin with entrapment of cellular elements, frequently causing vascular obstruction at the point of its formation. C27083 C27083 NCI Thesaurus
Bronchiolitis Inflammation of the bronchioles characterized by swelling of the bronchioles and mucus accumulation. It is usually caused by the respiratory syncytial virus and affects children. Signs and symptoms include coughing, wheezing, and shortness of breath. C39658 C39658 NCI Thesaurus
Cardiac Arrhythmia Any variation from the normal rate or rhythm (which may include the origin of the impulse and/or its subsequent propagation) in the heart. C2881 C2881 NCI Thesaurus
Cardiac Failure Inability of the heart to pump blood at an adequate rate to meet tissue metabolic requirements. Clinical symptoms of heart failure include: unusual dyspnea on light exertion, recurrent dyspnea occurring in the supine position, fluid retention or rales, jugular venous distension, pulmonary edema on physical exam, or pulmonary edema on chest x-ray presumed to be cardiac dysfunction. C50577 C50577 NCI Thesaurus
Cardiomyopathy A disease of the heart muscle or myocardium proper. Cardiomyopathies may be classified as either primary or secondary, on the basis of etiology, or on the pathophysiology of the lesion: hypertrophic, dilated, or restrictive. C34830 C34830 NCI Thesaurus
Coronary artery abnormalities One of two arteries that arise from the aortic sinuses of the ascending aorta and supply blood to the myocardium.:A condition that differs from the usual physical or mental state. C12843:C9440 C12843:C9440 NCI Thesaurus
COVID-19-Associated Acute liver injury Acute liver injury caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). C171566 C171566 NCI Thesaurus
Deep Vein Thrombosis A blood clot in a deep vein, predominantly in the lower extremity, but may include the pelvis or upper extremity. C49343 C49343 NCI Thesaurus
Delirium A usually reversible condition characterized by the acute and sudden development of confusion, illusions, movement changes, inattentiveness, agitation, and hallucinations. Causes include drug abuse, poisoning, infectious processes, and fluid and electrolyte imbalance. C2981 C2981 NCI Thesaurus
Deterioration of prior chronic pulmonary diseases In an declined condition.: Earlier in time or order.: A chronic and progressive lung disorder characterized by the loss of elasticity of the bronchial tree and the air sacs, destruction of the air sacs wall, thickening of the bronchial wall, and mucous accumulation in the bronchial tree. The pathologic changes result in the disruption of the air flow in the bronchial airways. Signs and symptoms include shortness of breath, wheezing, productive cough, and chest tightness. The two main types of chronic obstructive pulmonary disease are chronic obstructive bronchitis and emphysema. C71686: C25629: C3199 C71686: C25629: C3199 NCI Thesaurus
Diabetic ketoacidosis (DKA) The metabolic condition resulted from uncontrolled diabetes mellitus, in which the shift of acid-base status of the body toward the acid side because of loss of base or retention of acids other than carbonic acid is accompanied by the accumulation of ketone bodies in body tissues and fluids. C50530 C50530 NCI Thesaurus
Diarrhea Watery bowel movements. C2987 C2987 NCI Thesaurus
End Stage Renal Disease Long-standing and persistent renal disease with glomerular filtration rate (GFR) less than 15 ml/min. C9439 C9439 NCI Thesaurus
Endocarditis Inflammation of the endocardium. C34582 C34582 NCI Thesaurus
Fibromyalgia/amplified pain syndrome A chronic disorder of unknown etiology characterized by pain, stiffness, and tenderness in the muscles of neck, shoulders, back, hips, arms, and legs. Other signs and symptoms include headaches, fatigue, sleep disturbances, and painful menstruation.:A condition in which the nerves register normal stimuli (lack of tissue injury) as pain, resulting in feelings of intense pain with even minor sensory input. C87497:C119048 C87497:C119048 NCI Thesaurus
Gastroesophageal reflux disease (GERD) A chronic disorder characterized by reflux of the gastric and/or duodenal contents into the distal esophagus. It is usually caused by incompetence of the lower esophageal sphincter. Symptoms include heartburn and acid indigestion. It may cause injury to the esophageal mucosa. C26781 C26781 NCI Thesaurus
Gastrointestinal hemorrhage Bleeding originating from any part of the gastrointestinal tract. C48592 C48592 NCI Thesaurus
Intestinal perforation A rupture in the wall of the small or large intestine due to traumatic or pathologic processes. C39611 C39611 NCI Thesaurus
Kawasaki Disease A vasculitis characterized by inflammation of the arteries, particularly the coronary arteries. The vasculitis may lead to aneurysm formation and possibly, heart attacks. It affects young children who usually present with persistent high fever, redness of the mucous membranes of the mouth, redness of the palms and soles, skin rashes, lymphadenitis, and joint pain and swelling. C34825 C34825 NCI Thesaurus
Liver dysfunction A finding that indicates abnormal liver function. C50634 C50634 NCI Thesaurus
Lung fibrosis One of a pair of viscera occupying the pulmonary cavities of the thorax, the organs of respiration in which aeration of the blood takes place. As a rule, the right lung is slightly larger than the left and is divided into three lobes (an upper, a middle, and a lower or basal), while the left has two lobes (an upper and a lower or basal). Each lung is irregularly conical in shape, presenting a blunt upper extremity (the apex), a concave base following the curve of the diaphragm, an outer convex surface (costal surface), an inner or mediastinal surface (mediastinal surface), a thin and sharp anterior border, and a thick and rounded posterior border.:The formation of fibrous tissue. C12468:C3044 C12468:C3044 NCI Thesaurus
Meningitis/encephalitis A disorder characterized by acute inflammation of the meninges of the brain and/or spinal cord.:An article used to connect words, phrases, or clauses representing alternatives; used to connect alternative terms for the same thing; used in correlation; used to correct or rephrase what was previously said; otherwise.:An inflammatory process affecting the brain parenchyma.Causes include viral infections and less frequently bacterial infections, toxins, and immune-mediated processes. C26828:C37998:C26760 C26828:C37998:C26760 NCI Thesaurus
Multisystem Inflammatory Syndrome in Adults (MIS-A) A rare syndrome found in adults with positive test results for SARS-CoV-2 by polymerase chain reaction or antibody assays indicating recent infection that is marked by cardiovascular, gastrointestinal, dermatologic, and neurologic symptoms without severe respiratory illness. The most common signs and symptoms that have been reported to date include fever, low blood pressure, abdominal pain, vomiting, diarrhea, neck pain, rash, chest pain, and tiredness not attributable to other infections. C178502 C178502 NCI Thesaurus
Myocarditis/Pericarditis Inflammation of the muscle tissue of the heart.:An inflammatory process affecting the pericardium. C34831:C34915 C34831:C34915 NCI Thesaurus
Myositis An inflammatory process affecting the skeletal muscles. Causes include infections, injuries, and autoimmune disorders. C27578 C27578 NCI Thesaurus
New onset diabetes Having no previous example or precedent or parallel; of a kind not seen before.:The start, beginning, or early stages.:A metabolic disorder characterized by abnormally high blood sugar levels due to diminished production of insulin or insulin resistance/desensitization. C25586:C25279:C2985 C25586:C25279:C2985 NCI Thesaurus
Other, Specify A directive to specify when the listed responses are not sufficient. C157101 C157101 NCI Thesaurus
Pancreatitis Inflammation of the pancreas. C3306 C3306 NCI Thesaurus
Pediatric Multisystem Inflammatory Syndrome (MIS-C) A rare syndrome temporally associated with COVID-19 in children, marked by persistent fever, inflammation (neutrophilia, elevated C-reactive protein (CRP), and lymphopenia), poor function in one or more organs, and other specific clinical and laboratory features not attributable to other infections. The characteristics of this syndrome appear to be similar to toxic shock syndrome and Kawasaki disease. The following variable signs and symptoms have been most commonly reported to date: coagulopathy, cardiac dysfunction, diarrhea, abdominal distension, other GI symptoms (with some children having positive stool tests for SARS-CoV-2), and acute kidney injury. Respiratory symptoms are not always a prominent feature in these cases. C172127 C172127 NCI Thesaurus
Peritonitis Inflammation of the peritoneum due to infection by bacteria or fungi. Causes include liver disease, perforation of the gastrointestinal tract or biliary tract, and peritoneal dialysis. Patients usually present with abdominal pain and tenderness, fever, chills, and nausea and vomiting. It is an emergency medical condition that requires prompt medical attention and treatment. C26849 C26849 NCI Thesaurus
Physical disability/muscular weakness Having substance or material existence; concerned with material things; of or pertaining to the body as distinguished from the mind or spirit.:Any physical or mental impairment that interferes with an individual's ability to perform desired activities.:A reduction in the strength of one or more muscles. C25618:C21007:C50658 C25618:C21007:C50658 NCI Thesaurus
Pneumonia An acute, acute and chronic, or chronic inflammation focally or diffusely affecting the lung parenchyma, due to infections (viruses, fungi, mycoplasma, or bacteria), treatment (e.g. radiation), or exposure (inhalation) to chemicals. Symptoms include cough, shortness of breath, fevers, chills, chest pain, headache, sweating, and weakness. C3333 C3333 NCI Thesaurus
Post viral fatigue syndrome Happening at a time subsequent to a reference time; later in time or order.:Having to do with a virus.:Overall tiredness and lack of energy.:A group of signs, symptoms, and clinicopathological characteristics that may or may not have a genetic basis and collectively define an abnormal condition. C38008:C27985:C3036:C28193 C38008:C27985:C3036:C28193 NCI Thesaurus
pulmonary aspergillosis Relating to the lungs as the intended site of administration, where the pharmaceutical product is administered, usually by inhalation, for local action in the lower respiratory tract or for systemic action after absorption via the lower respiratory tract.:An infection that is caused by Aspergillus. C13304:C2886 C13304:C2886 NCI Thesaurus
Pulmonary Embolism The obstruction of the pulmonary artery or one of its branches by an embolus, sometimes associated with infarction of the lung. C50713 C50713 NCI Thesaurus
Seizure Sudden, involuntary skeletal muscular contractions of cerebral or brain stem origin. C2962 C2962 NCI Thesaurus
Shock A life-threatening condition that requires immediate medical intervention. It is characterized by reduced blood flow that may result in damage of multiple organs. Types of shock include cardiogenic, hemorrhagic, septic, anaphylactic, and traumatic shock. C35016 C35016 NCI Thesaurus
Stroke: intracerebral hemorrhage Bleeding within the cerebrum. C50485 C50485 NCI Thesaurus
Stroke: ischemic cerebrovascular accident An acute episode of focal cerebral, spinal, or retinal dysfunction caused by infarction of brain tissue. C95802 C95802 NCI Thesaurus
Toxic shock syndrome A rare acute life-threatening systemic bacterial noncontagious illness caused by any of several related staphylococcal exotoxins. It is characterized by high fever, hypotension, rash, multi-organ dysfunction, and cutaneous desquamation during the early convalescent period. The toxins affect the host immune system, causing an exuberant and pathological host inflammatory response. Laboratory findings include leukocytosis, elevated prothrombin time, hypoalbuminemia, hypocalcemia, and pyuria. C35498 C35498 NCI Thesaurus
Venus Thromboembolism (VTE) Occlusion of the lumen of a vein by a thrombus that has migrated from a distal site via the blood stream. C99537 C99537 NCI Thesaurus

# Name Origin Origin Concept type
Type NCI Thesaurus C25284 data element concept
COVID-19 Infection NCI Thesaurus C171133 data element concept
Complication NCI Thesaurus C2959 data element concept

# Definition Sources
The type of complication experienced by the patient following the COVID-19 infection. Project 5

# Designation Tags
COVID-19 Complication Type
Did the patient develop any of the following complications as a result of COVID: Preferred Question Text

# Identifier Origin Version
F7tUoFbu6W NLM CDEs 12-02-2025-download