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1-800-347-0043 | 1-425-355-5252
info@phoenixlab.com

Phoenix Lab

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4338 Harbour Pointe Blvd SW Mukilteo, WA 98275
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DID YOU KNOW?: Urine Cyto Submissions

Introduction

As part of a routine urinalysis, urine sediment is examined by a laboratory technician. Sediments that contain epithelial cells in moderate numbers and/or with unusual morphology are further evaluated by our clinical pathologists.

If bladder cancer is suspected by the clinician, urine should be specifically collected, prepared and submitted for urine cytology using a cytology test request. Direct smears and cytospin smears prepared from samples submitted for urine cytology will be stained and examined by a clinical pathologist. Collecting and preparing the sample specifically for urine cytology best preserves the morphology of the cells by removing them from the urine supernatant and delaying their degeneration.

Obtaining diagnostic samples

To obtain and submit the most diagnostic samples, please follow these steps:

  1. Collect the urine by catheterization adjacent to a strictured area and/or mass lesion seen on imaging (free catch is ok). Cystocentesis and/or direct FNA of a bladder mass may seed the needle tract with tumor cells and should be avoided.
  2. Centrifuge half of the urine, make direct smears of the sediment, and allow them to air dry completely before packaging.
  3. Add a few drops of saline or patient’s serum to the remaining sediment in the tube and submit the diluted urine sediment, the remaining unspun urine, and dried sediment smears (labeled) for cytology.
  4. Please indicate method of collection (free catch or catheterization), and order test code #318 Cytology.

Note that inflammation, infection, uroliths, etc. can result in urinary tract epithelial cells becoming reactive. These reactive cells can be difficult to distinguish from neoplastic cells, even in stained preparations (see example below with pyuria, bacteriuria and clusters of epithelial cells). Therefore, treating for inflammation and re-evaluating epithelial cells on urine cytology while the patient is still on antibiotics may be necessary in some cases.

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Update on our LIS transition

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March 10, 2020

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Mukilteo, WA 98275
labresults@phoenixlab.com
1-425-355-5252
1-800-347-0043

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Update on our LIS transition

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Copyright © 2021 · Phoenix Lab

Dear Valued Customer,

We know that the transition to our new Laboratory Information System has created challenges that are affecting your practice and your patients.  We are dedicated to supporting you in providing your patients the best care, and our top priority is getting our laboratory operations back to running smoothly.

We are still experiencing higher than normal volumes for calls, voicemails, and emails. We are working through the requests and apologize that we haven’t been able to speak or respond live. For a more detailed update, including the best way to contact us, please view our recent update here.

Sincerely,

Your Zoetis Reference Laboratories Team