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Test Order
Test Order
Salmonella serotype Typhi (only) Serology
CDC-10453
Synonym(s)
Enteric serology, Typhi serology
CDC Pre-Approval Needed
Supplemental Information Required
Provide the following information on the CDC 50.34 Submission Form: date of specimen collection and date of illness onset or if patient is a suspect chronic carrier. Also indicate if patient received or is currently on antibiotics.
Supplemental Form
None
Performed on Specimens from
Human
Acceptable Sample/ Specimen Type for Testing
Preferred specimen type is paired patient serum collected during acute (within 1 week of symptom onset) and convalescent (at least 4 weeks post symptom onset) stages of illness.
Plasma is not acceptable for this test. Do not pool specimens. Include a CDC 50.34 Specimen Submission Form for each specimen submitted.
Minimum Volume Required
0.2 mL required, more preferred if available
Collection, Storage, and Preservation of Specimen Prior to Shipping
Serum can be stored refrigerated (2-8 °C) for up to one month, or frozen (below -20 °C). Avoid repeat freeze/thaw cycles.
Transport Medium
Serum should be transferred to clean sterile tube for storage and shipment.
Specimen Labeling
Research or surveillance specimens may be labeled according to protocol. Labels should not include personally identifiable information. The results reported should NOT be used for diagnosis, treatment, assessment of health or management of the individual patient.
Shipping Instructions which Include Specimen Handling Requirements
Serum can be shipped in a leak-proof container on gel ice-packs, frozen specimens should be shipped on dry ice.
CDC does not accept routine shipments on weekends or holidays. Please make sure packages arrive Monday - Friday.
Ship to:
<Insert CDC Point of Contact>
Centers for Disease Control and Prevention
RDSB/STATT Unit 129
1600 Clifton Road, NE
Atlanta, GA 30329
<Insert CDC Point of Contact's Telephone Number>
All samples must be shipped in accordance with all applicable local, state and federal regulations. Upon shipment, submitter should send an email to the CDC POC providing shipping company, shipped date and package tracking number.
Methodology
Various methods depending on consultation include Indirect Hemagglutination, Enzyme-Linked Immunoassay (ELISA)
Turnaround Time
20 Weeks
Interferences & Limitations
Specimen should be stored and shipped either refrigerated (2-8 °C) or frozen (below -20 °C), as repeat freeze/thaw cycles can lower test sensitivity.
Hemolysis present in serum specimens can interfere with this test.
Additional Information
The test(s) used have not been cleared and approved by the FDA or the performance characteristics have not been fully established by CDC. The results should NOT be used for diagnosis, treatment, or assessment of patient health or management.
When submitting multiple specimens for one patient, include a separate CDC 50.34 Specimen Submission Form for each specimen submitted.
CDC Points of Contact
Version
2.2
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