Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB2223             Geisinger Epic ID: 37249

Specimen type:
Random urine
Preferred collection container:
Specimen required:
5 mL random urine; minimum 2 mL.
Special notes:
Freshly voided urine should be delivered to the lab within 2 hours of collection.

Specimen processing instructions:
Testing only performed at GMC Monday-Friday day shift. Collection for other sites limited to Sunday-Thursday due to stability issues and transportation availability. Patient may present at GMC on Friday for testing if required. 
Transport temperature:
Room temperature if received in testing laboratory within 2 hours of collection. Refrigerate for up to 24 hours.
Specimen stability:
Room temperature: 2 hours. Refrigerated: 24 hours.
Rejection criteria:
Highly turbid urines. Urines greater than 24 hours old.

Reference interval:
No eosinophils seen.
Additional information:
Urines with a pH greater than 7.0 may result in poor staining of eosinophils.

Turnaround Times:

Priority             TAT
Routine 4 Hours
STAT 1 Hours
Extended TAT 3 Days
Timed 60 Minutes
Pending Discharge 45 Minutes
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Presence or absence of eosinophils.
Hansel stain for urine eosinophils
Clinical significance:
The presence of eosinophils in the urine is suggestive of allergic conditions, asthmatic disorders, and parasitic infections. There are also increased numbers found in the urine in cases of acute interstitial nephritis.
Doctoral Director(s:)
Mary Dhesi MD    
Review Date: 01/03/2023

Performing Locations

Geisinger Medical Center

Performing laboratory: Hematology
Technical Lead: Margaret Knowles-Tuchman
Frequency: Monday-Friday, 7 a.m. - 3:30 p.m.
Performed STAT? No
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