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Test Menu Details

CDC Referral Testing

Updated

11/6/2026

Search Terms Common General Microbiology Referral Testing: M. tuberculosis Molecular Detection of Drug Resistance (MDDR); M. tuberculosis (MTBC) Drug Susceptibility testing; Corynebacterium diphtheriae toxin testing; Fungal studies for Cryptococcus species, Coccidioides immitus, Cryptocooccus gattii subtyping; Coxiella burnetii PCR; and others

Common Virology/Immunology Referral Testing: Acute flaccid myelitis; Arboviruses; Baylisascariasis; Chagas disease; Leishmania; Rubella; West Nile Virus (WNV); and others
How to Order

For specimens submitted directly to CDC by clinical labs, tests must be ordered by the submitting facility in the CDC Test Order and Results Portal (CSTOR). If the submitting facility does not have access to CSTOR, contact OSPHL for support as soon as possible at 503-693-4100.

For specimens submitted to OSPHL for forwarding to CDC, the following two forms must accompany each submission:

  1. OSPHL Virology/Immunology or General Microbiology Test Request Form 
    • In the “Referral Testing/Send-Outs” section, indicate the testing requested.
  2. OSPHL CDC Submission Form Template (xlsx) 
    • Complete all fields in gold, plus any additional for the testing requested.
Approval by the Centers for Disease Control and Prevention (CDC) staff may be required for submission and testing. Each test on the CDC Test Directory lists if pre-approval is required. If required, coordinate approval with the state Acute and Communicable Disease Prevention section at 971-673-1111. Patient history details may be required. 
Availability

All clients.

Some orders may require prior approval by local or state public health authorities.
Performed
Specimens are sent to the CDC at least weekly.
Time to Reporting
Set by reference laboratory.
CPT Code
N/A

Specimen Collection Details

Collection, Handling, Transport Some tests require or may be sent directly to CDC for testing. Some specimens for testing at the Centers for Disease Control and Prevention (CDC) must first be sent to the OSPHL. Follow instructions provided by public health officials.

Collect, store, and transport specimens in accordance with the CDC Test Directory. If you are seeking specialized testing which is not listed on the CDC Test Directory, please contact the OSPHL with questions.
Rejection CriteriaSpecimens sent to OSPHL are subject to the requirements of the OSPHL Specimen Submission Policy (pdf).
Comments
Please contact the OSPHL with questions at 503-693-4100.

Method Details

Methodology
Methods are provided by the CDC laboratories.
Performance Specifications
Set by reference laboratory.

Change Log

11/6/2026Updated How to Order; Collection, Storage, and Transport; Housekeeping update to Rejection Criteria
4/1/2025Updated Search Terms; How to Order
7/30/2024Updated Search Terms and How to Order; Added Rejection Criteria
6/5/2024; 6/26/2024Updated Search Terms