Parasite Examination - CDC Referral Testing 

Laboratory Fee Schedule

Procedure #: N/A


Parasite Examination (CDC Reference Tests)

Synonym(s): Parasitology; CDC referral
Requisition Form G-2A
Test Description

See CDC Infectious Diseases Laboratory Test Directory

Pre-Approval Needed Yes Except for exotic disease testing unavailable elsewhere, CDC testing should be used for confirming results.
Supplemental Information Required Patient history; previous test results.
Supplemental Form(s)

See CDC specimen submission form.

Performed on Specimens from (sources) Human
Sample/Specimen Type for Testing Various body fluids.
Minimum Volume/Size Required Dependent upon specimen type.
Storage/Preservation Prior to Shipping Dependent upon specimen type; call for guidance on handling
Transport Medium Dependent upon specimen type.
Specimen Labeling
  • Two patient-specific identifiers required (e.g., patient full name, date of birth, medical record number)
  • Identifiers on specimen must exactly match submission form.
Shipping and Specimen Handling Requirements

Ship samples: 

  • According to Dangerous Good Regulations, IATA, and/or CFR 49
  • Handling as infectious agent using universal precautions.
  • Triple-contained in accordance with federal shipping regulations for infectious agents.
  • As Biological Substance Category B
  • Temperature dependent upon specimen type 
  • Call for guidance on handling.
Method Various
Turn-around Time Various
Interferences/Limitations Dependent upon test
Common Causes for Rejection
  • No specimen received. 
  • Expired media
  • No identifiers on containers
  • Doesn't meet CDC acceptance criteria.
Additional Information
  • All specimen submissions to CDC should have approval by local or state health department unless participating in special studies or surveillance projects
  • Call Texas DSHS Medical Parasitology at 512-776-7560 with questions about specimen collection and handling.
  • Please complete CDC specimen submission form and select “TX DSHS Lab Services Section” from Institution Name pull-down menu at top right of form.