Citric Acid, 24-hour Urine

Overview

  • EPIC Code:
  • LAB377
  • Soft Test Code:
  • CITR
  • Send Out Test Code:
  • 11315
Alternate Names
  • Citrate

Specimen Collection & Preparation

Specimen Requirements

10.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container (No Preservative)

Alternate Specimen

 

TransportAndStorage

8 hours Ambient
30 days Refrigerated (Preferred)
60 days Frozen

Collection Instructions

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. 

Do not include first morning specimen; collect all subsequent voiding's. The last sample collected should be the first morning specimen voided the following morning at the same time as the previous morning's first voiding. Specify 24-hour total volume on container and test requisition.

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

Clinical Interpretation

Reference Range:

100-1300 mg/24 hr


Methodology:
  • Spectrophotometry (SP)

Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Departments
  • Sendouts - Clinical
Turn Around Time

1 to 2 days


Coding & Compliance

CDM

00910072


CPT Coding

82507