Master's degree in Social Work from a CSWE accredited program or a doctorate degree from a school of social work acceptable to the committee. Three thousand hours of supervised clinical experience with a qualified supervisor in no less than 24 months and no more than 48 consecutive months.
Skin Contamination and Blood Cultures. There are really only four bugs that are commonly contaminants when blood cultures are positive: 1  Coag negative staph (gram positive cocci). 2  Corynebacterium (gram positive rods).3  Propionibacterium acnes (anaerobic gram positive rods). 4  Bacillus species (anaerobic gram positive rods).kin Contamination and Blood Cultures. There are really only four bugs that are commonly contaminants when blood cultures are positive: 1  Coag negative staph (gram positive cocci). 2  Corynebacterium (gram positive rods).
1 White blood cells (WBC, leukocytes), red blood cells (RBC), nitrites, and bacteria in the urinalysis may indicate a UTI. 2  Urine Culture. 3  Urine is streaked on a thin layer of nutrient gel (agar plate), then incubated for 24-48 hours.f there are pathogenic bacteria present, then susceptibility testing is done to make sure that the antibiotic that the doctor chooses will effectively treat the microorganism causing the infection. 1  Urinalysis. 2  Urine Culture.