Cytology, Gastrointestinal Tract


Sunquest Code:NGNCTCoPath Code:NGYN
Epic Code:LAB4600Epic Name:Cytology Non Gyn
Sunquest Code (non-Epic sites):COPATH  
Synonyms:Gastrointestinal Tract Cytology
Methodology:Cytopreparation, routine staining and microscopic examination. Special stains if indicated.
CPT Code:----------CPTCODES HERE----------
Test Includes:Preparation, routine staining, and microscopic examination; special stains as ordered by the pathologist will be performed at additional charge.
Turnaround Time:Performed Mon-Fri, 0800-1500; results are reported within 1-3 days.
Special Instructions:Provide pertinant clinical history. Indicate on request form for the identification of some microbiologic pathogens (primarily herpes, CMV and Candida).


Collection Instructions

Specimen:Brushings (gastric, esophageal, GI junction, duodenal, bile duct and others)
Container:Plastic leakproof container, sterile (See Collection Instructions)
Collection Instructions:

 

Gastrointestinal tract brushings (esophageal, GI junction, gastric, duodenal, bile duct, other)

Patient Prep: The patient should be fasting for eight hours prior to the test and encouraged to drink water.

Collection: It is important to brush the edges of an ulcer, as well as the floor, in order to obtain diagnostic material.

 

Upon withdrawing the brush, agitate the brush vigorously in a 5 to 10 mL vial of saline or fixative. Do not apply the brush directly to slides. If possible, detach the brush and leave it in the vial. Label the vial with the patient’s first and last name, date of birth, and specimen source. Submit the specimen along with the completed Cytology test request form to the Cytopathology Laboratory. If transport of the specimen will be delayed more than four hours, the specimen should be submitted in Ringer’s solution. If transport time will be less than four hours, the specimen should be refrigerated until transport to the lab.

 

Gastric washings

Patient Prep: The patient should be fasting for eight hours prior to the test and encouraged to drink water.

Collection: Using standard endoscopy technique, lavage the area of interest using a physiologic solution such as Ringers solution. Aspirate the solution and place in a clean specimen container. Label the container with the patient’s first and last name, date of birth and specimen source. Submit the specimen and the completed Cytology test request form to the Cytopathology Lab. If the transport time will be less than four hours, the specimen should be refrigerated until transport to the lab.

 



Processing and Shipping

Specimen Processing:Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Cytology  (UMMC-East Bank, Fairview Ridges - FRH, Fairview Southdale - FSH, UMMC/UMMCH-West Bank)


Interpretive

Reference Range:Reported as negative to positive for malignant cells or other abnormalities.
Use:Establish the presence of primary or metastatic neoplasms of the gastrointestinal tract or reactive, inflammatory processes; aid in the diagnosis of herpes infection and candidiasis of the esophagus, ectopic gastric epithelium (Barrett's esophagus).


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