Cryptosporidium Banking (NPHLBK)  

IMPORTANT! Pre-approval needed from state or local health department. Local or State Health Department. Send approval to or call (402) 559-9444.

NPHL has moved to an electronic ordering system, NUlirt, and it is now the preferred method to order all tests. Once ordered, print a "batch list" (see NUlirt Guide).

Forms Required - Nulirt batch list or NPHL Test Request Form (completed in entirety) must accompany the specimen to include the following information: symptoms and date of onset, pregnancy status, travel and vaccine history. Testing will not be performed without all required information.

Please call NPHL Client Services at (402) 559-2440 or toll free at (800) 334-0459 for further clarification.


Test: Cryptosporidium Banking  
Synonym: Crypto, Oocyst  
  • Organism banking and subtyping
  • Order NPHLBK in NUlirt
  • Test performed Monday-Friday
  • Turnaround time 1-7 days
  • Fresh stool
  • Stool in Proto-Fix vials
  • Stools fixed in 10% Formalin
Collection Device:
  • If using stool media vials, add to fill line
    • Follow manufactures instructions.
    • Many stool media vials must be filled within a specific time from collection.
  • Seal with Parafilm™ or tape
  • Test subject to CLIA regulations and requires 2 patient identifiers on container and requisition forms
Volume: Minimum 1 mL Preferred at least 3 mL  
  • Dry specimen
  • Leaking container
  • Specimen contaminated with oil, barium or urine
  • Multipe specimens within a 24-hour period
Specimen Stability: Stable at ambient air 15-25 ºC  
Reference Interval:  
Reportable Disease:  
Comments: Proto-fix vials are available from Client Services. (800) 334-0459  
Revised: 3/15/2024 
If you have questions about proper specimen collection, please call NPHL Client Services at (402) 559-2440 or toll free at (800) 334-0459.