Test Index - S

Salivary 17-hydroxyprogesterone (17OHP)     see 17-hydroxyprogesterone (saliva)
Salivary cortisol     see cortisol (saliva)
Scl70 antibody     see ENA
Semen analysis    see semen fertility check or post vasectomy check
Serology for functional antibody testing     see functional antibody testing (serology)
Serology for pneumococcal serotype specific antibody response     see pneumococcal serotype specific antibody response (serology)
Sex hormone binding globulin     see SHBG
Sm antibody     see ENA
for investigation of sodium and water abnormalities see fluid balance profile
Somatostatin     see gut hormones
Stone analysis    see calculi
Stone former investigations see renal stone former investigations
Streptococcal antibodies     see ASO titre
Striated muscle antibody - no longer available. See acetylcholine receptor antibody.
Synacthen test (short)    see dynamic function tests
Synovial fluid (cytology)    see joint fluids (cytology)
Synovial fluids (microbiology)     see body fluid microbiology
Syphilis
see diagnostic virology for meningitis/encephalitis and genital ulcer,
and screening/ immunity/ follow-up which includes syphilis serology in specific patient groups.