Urine Charcoal Analysis
Label Mnemonic: UCHAR
Epic Lab Code: LAB7881
Downtime Form: A-1a General Laboratory Requisition
Hematology
6240 RCP
356-3527
Specimen(s):
Urine
Collection Medium:
Yellow top round bottom tube (no additive)
Minimum:
5 mL urine
Delivery Instructions:
May be saved, refrigerated until all THREE specimens are collected.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
4 hours (upon receipt in laboratory)
Reference Range:
Negative for the presence of charcoal
Comments:
Collection of THREE consecutive first morning voided urines are recommended. Labeled with dates of collection. They may be saved and refrigerated and submitted on the same day for individual testing.
Methodology:
Wright stained cytospin prep
CPT Code:
81015