Streptococcus agalactiae – Serotyping
Conformément au Règlement de l’Ontario 671/92 de la Loi sur les services en français, les renseignements d’analyses de laboratoire liés à la présente page ne sont offerts qu’en anglais parce qu’ils sont de nature scientifique ou technique et destinés uniquement à l’usage des fournisseurs de soins de santé qualifiés et non aux membres du public.
Specimen Requirements
| Test Requested | Required Requisition(s) | Specimen Type | Minimum Volume | Collection Kit |
Streptococcus agalactiae – Serotyping |
Pure viable1 subculture of organism on appropriate media or a swab of the pure subculture in Amies transport medium of the isolate for identification/typing. |
Submission and Collection Notes
If a swab or broth is received the turnaround time will be delayed by at least 24 hours.
Submit subculture of an organism on an appropriate medium that supports the growth (e.g. Blood Agar). Swab of pure culture in bacterial transport medium is an acceptable alternative.
Primary cultures are not acceptable; and must be processed by the originating lab. The submitter will be contacted by telephone prior to rejection of the primary sample followed by a written report to indicate that the test has been rejected.
Complete all fields of the Reference Bacteriology Requisition, including:
- test(s) requested
- culture information
- clinical/epidemiology
- contact information
Storage and Transport
Label the specimen with the patient’s full name, date of collection and one other unique identifier such as the patient’s date of birth or Health Card Number. Failure to provide this information may result in rejection or testing delay.
Special Instructions
Specimen should be transferred to the laboratory within 48 hours of collection.
Test Frequency and Turnaround Time (TAT)
Streptococcus agalactiae cultures are tested daily, Monday to Friday.
Turnaround time for test results is up to 3 days from receipt by PHO laboratory for culture.
Turnaround time for test results is up to 28 days from receipt by PHO laboratory for typing.
Streptococcus agalactiae isolates are identified by conventional biochemicals and by serological methods. Typing is performed upon request only.
Specimens are forwarded to the Public Health Agency of Canada in Winnipeg for typing.
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