Creatinine Clearance, 24-hour Urine

Overview

  • EPIC Code:
  • LAB383
  • Soft Test Code:
  • UCRCL
Alternate Names
  • CrCl
  • Creatinine Clearance Urine

Specimen Collection & Preparation

Specimen Requirements

1.0 mL Plasma in a PST Mint Green Top Tube - Li Heparin 
and
6.0 mL aliquot from a well mixed 24 hour Urine Collection in a Sterile Red Top Tube - No Additive


Alternate Specimen

1st Specimen Alternates: 1.0 mL Serum in a SST Gold Top Tube
or
1.0 mL Serum from a Red Top Tube in a Plastic Vial


TransportAndStorage

Plasma: 7 days Refrigerated
Urine: 5 days Refrigerated


Collection Instructions

The blood sample must be drawn within the time frame beginning 24 hours prior to the start of urine collection to 24 hours after the completion of the urine collection.Please indicate times other than 24 hours collection as part of the order

1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container. 
DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container. 
4. Urine Specimen should be kept refrigerated during and after collection. 

For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D


Minimum Volume

Plasma: 0.2 mL / Urine: 1.0 mL


Neonatal Volumne

Clinical Interpretation

Reference Range:

70 - 140 mL/min


Methodology:
  • Colorimetric

Production Schedule

Sites Performed
  • Parkview Randallia Hospital
  • Parkview Regional Medical Center
Days Performed
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Departments
  • Chemistry

Coding & Compliance

CDM

01420223


CPT Coding

82575