Specimen Collection Manual and Test Catalog
UREA NITROGEN, PERITONEAL DIALYSATE
Geisinger Epic Procedure Code: LAB3211 Geisinger Epic ID: 14445SPECIMEN COLLECTION
Specimen type:
Peritoneal dialysate
Preferred collection container:
Specimen required:
1 mL of peritoneal dialysate; minimum 0.5 mL.
SPECIMEN PROCESSING
Processing instructions:
Centrifuge to remove any cellular material.
Transport temperature:
Refrigerated (preferred). Room temperature or frozen specimen also acceptable.
Specimen stability:
Room temperature: 7 days. Refrigerated: 7 days. Frozen: 1 month.
Rejection criteria:
Stability limits exceeded.
TEST DETAILS
CPT code(s):
84520
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.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Urea nitrogen, peritoneal fluid.
Methodology:
Spectrophotometric (Colorimetric)
Synonyms:
UNFB
Clinical significance:
Refer to Body Fluid Testing for additional clinical interpretive information.
Doctoral Director(s):
Review Date:
12/27/2024
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC
Performing Locations