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Cytology Non-Gyn Request (Gastric Washing)
MessagePerformed in Cytology
Test Code
Cytology Non-Gyn Request (Gastric Washing)
Preferred Specimen
Fresh specimen with no additives in a leak-proof container.
Submit on ice.
Container must be properly labeled with patient name and MRN.
Submit on ice.
Container must be properly labeled with patient name and MRN.
Minimum Volume
20 mLs
Instructions
After passing tube, draw off and discard resting contents. While patient sits, lies down, and rotates from side to side, aspirate and re-pass 300-500 ml normal saline several times to flush cells from stomach lining. Place aspirated specimen in tubes which are sitting IN ICE.
Transport Temperature
When wash is completed, immediately take tubes ON ICE to laboratory with properly completed Cytology requisition, including pertinent clinical history.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Mislabeled specimen/requisition, Unlabeled specimen/requisition, Improperly labeled specimen or requisition, Specimen leaked out of container, Formalin added
Setup Schedule
Specimen Received Mon - Thur - Reported next day
Specimen Received Fri - Reported Monday
Specimen Received Sat/Sun - Reported Mon or Tues
Specimen Received Fri - Reported Monday
Specimen Received Sat/Sun - Reported Mon or Tues
Reference Range
Negative for malignancy
Clinical Significance
The microscopic exam of single cells mainly for cancer or precancerous lesions. However, the exam can also be used to diagnose some infectious organisms.
