Davis's Lab & Diagnostic Tests
- d-Dimer
- Decreased muscle mass, creatinine, blood and estimated glomerular filtration rate (eGFR)
- Defect, echocardiography
- Defective LES structure, esophageal manometry
- Defects, cardiac catheterization
- Degenerative bone disease and disorders, bone scan
- Degenerative brain disease, cerebrospinal fluid analysis
- Degenerative disease, bone x-rays
- Degree of obstruction, cardiac catheterization
- Dehydroepiandrosterone Sulfate
- Dehydroepiandrosterone sulfate (DHEAS)
- Delayed puberty, testosterone, total and free, in
- Delirium tremens, creatine kinase and isoenzymes
- Delta bilirubin
- Delta hepatitis
- Demyelinating diseases, evoked brain potentials
- Dermatitis herpetiformis, antigliadin antibody (immunoglobulin G and immunoglobulin A), antiendomysial antibody (immunoglobulin A), and antitissue transglutaminase antibody (immunoglobulin A) levels in
- Dermatofibroma, skin biopsy
- Detached retina, fundoscopy with or without photography
- Dexamethasone suppression
- Diagnostic Critical Findings
- Difficulty swallowing, gastroesophageal reflux scan
- Digoxin, drug monitoring, therapeutic
- Diphyllobothrium, Hymenolepiasis, Taenia saginata, Taenia solium infection
- Diphyllobothrium infestation, vitamin B12 levels in
- Direct antiglobulin testing (DAT)
- Direct bilirubin
- Displaced intrauterine devices, hysteroscopy
- Dissected aorta, computed tomography (CT)
- DNA ploidy testing
- DNA replication
- Doppler echo
- Doppler ultrasound of heart
- Double-contrast barium enema
- Doxepin, drug monitoring, therapeutic
- Dressler syndrome, pericardial fluid analysis in
- Drug-induced lupus erythematosus, antinuclear antibody, anti-DNA antibody, anticentromere antibody, antiextractable nuclear antigen antibody, anti-Jo antibody, and antiscleroderma antibody levels in
- Drug-induced porphyrias, porphyrins, blood and urine, in
- Drug-induced respiratory system depression
- Drug-induced thrombocytopenia, platelet antibodies in
- Drug intoxication of brain, electroencephalography
- Dry eye syndrome, Schirmer tear test and
- Dubin-Johnson syndrome, bilirubin and bilirubin fractions in
- Ductogram
- Dumping syndrome, gastric emptying scan
- Duodenal cancer, capsule endoscopy
- Duodenal obstruction, amylase levels in
- Duodenal papilla tumors, cholangiopancreatography, endoscopic retrograde
- Duodenal ulcers, esophagogastroduodenoscopy
- Dwarfism, growth hormone, stimulation and suppression tests
- Dwarfism (pituitary), growth hormone, stimulation and suppression tests
- d-Xylose Tolerance Test
- Dysbiosis
- Dysphagia, barium swallow in