| | Diagnostic work up |
| Infectious
Blood culture, respiratory viral panel, NP chlamydia pneumonia PCR, NP mycoplasma PCR, hepatitis A Ab, hepatitis B surface Ab, hepatitis B surface Ag, hepatitis B core Ab, hepatitis B e Ag, hepatitis B DNA serum quantitative assay, hepatitis C Ab, hepatitis C RNA quantitative assay, EBV capsid IgM and IgG, EBV nuclear Ab, EBV early IgG, EBV serum quantitative assay whole blood, EBV quantitative assay plasma, CMV IgM and IgG, CMV DNA serum quantitative assay, HIV 1/2 Ag and Ab, HHV6 serum PCR, enterovirus serum PCR, adenovirus serum PCR, adenovirus serum quantitative assay, adenovirus stool PCR, Parechovirus serum PCR, Quantiferon-tuberculosis gold, SARS-CoV-2 PCR, COVID-19 spike Ab, COVID-19 nucleocapsid Ab | Hepatic
AST, ALT, albumin, alkaline phosphatase, lactate, GGT, lactate dehydrogenase, total bilirubin, direct bilirubin, ammonia, glucose, amylase, lipase, factor V, factor VII, factor VIII, alpha-fetoprotein, abdominal ultrasound, liver biopsy | Metabolic
Ferritin, iron studies, pyruvic acid, acylcarnitine panel, lipid profile, alpha-1-antitrypsin phenotype, alpha-1-antitrypsin level, vitamin A level, vitamin D level, vitamin E level | Immunologic
Coombs test, antinuclear antibody, tissue transglutaminase Ab, IgG level, immunoglobulin A level, NK cell function, liver-kidney-microsomal Ab, F-actin (smooth muscle) Ab level, F-actin (smooth muscle) Ab titer, varicella IgG, rubeola IgG, rubella IgG, mumps IgG, soluble interleukin 2 receptor subunit alpha, NK cell subset | Hematologic
Complete blood count, INR, partial thromboplastin time, fibrinogen, D-dimer, haptoglobin, thromboelastography, type & screen, blood pathology, RBC Ab titer | Electrolyte/renal
Basic metabolic panel, magnesium, phosphorous, creatine kinase, uric acid, urinalysis | Cardiac
Echocardiogram, electrocardiogram | Genetic
Whole exome sequencing (preliminary results)–pathogenic variant in SERPINA1 gene |
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