Davis's Lab & Diagnostic Tests
- S. pneumoniae, cerebrospinal fluid analysis
- Salicylate, drug monitoring, therapeutic
- Salivary cortisol, cortisol studies: blood, saliva, urine
- Salmonella spp., gram stains
- Salpingitis, laparoscopy of
- Sandhoff disease, hexosaminidase testing
- Scalp pH
- Scheie classification
- Schiller test, cervical biopsy
- Schirmer Tear Test
- Schistocytes
- Schwabach test
- Schwartz syndrome, gonioscopy
- Sciatica
- Scleritis, slit-lamp biomicroscopy of
- Scrotum, ultrasound studies of
- Seborrheic keratosis, skin biopsy
- Secondary glaucoma, intraocular pressure (IOP)
- Secondary or angle-closure glaucoma
- Seizure disorders, electroencephalography
- Sentinel lymph node (SLN)
- Septic arthritis
- Septin 9 DNA methylation
- Severe acute respiratory syndrome (SARS)-associated coronavirus
- Shaving biopsy
- Sheehan syndrome, prolactin levels in
- Sialography
- Sickle cell, bilirubin and bilirubin fractions in
- Sickle cell screen, hemoglobin electrophoresis and abnormal hemoglobins
- Sickle cell test
- Sigmoidoscopy
- Sinus endoscopy
- Sirolimus, drug monitoring, therapeutic
- Skeletal x-rays
- Skin and soft tissue cultures, bacterial culture, various sites
- Skin assessment
- Skin Assessment for Infection, Hematoma, and Pressure Damage
- Skin-to-skin care (SSC)
- Sleep disturbances, electroencephalography
- SmartPill
- Soluble ST-2
- Somatosensory evoked response (SER)
- Somatotropin
- Spermatocele, ultrasound of
- Spinal tap
- Spinal tumors, computed tomography (CT)
- Spine x-rays
- Spleen, computed tomography (CT)
- Splenic calcifications, ultrasound of
- Splenic cysts, computed tomography (CT)
- Splenic laceration, computed tomography (CT)
- Splenic trauma, ultrasound of
- Spondee Speech Recognition Threshold
- Sprue, folic acid
- Sprue (celiac disease), fecal analysis
- Squamous cell cancer, skin biopsy
- Stereotactic Biopsy, Breast
- Stool evaluation and examination
- Stool fat
- Strep screen
- Strep throat, group A streptococcal (GAS) testing
- Streptococcal infections, anti deoxyribonuclease-B streptococcal antibody levels in
- Stroke volume index (SVI), cardiac catheterization
- Sweat chloride
- Sweat test
- Symbionts
- Synovial rupture, arthroscopy of
- Synovial tumor, arthrogram of