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Mayo Clinic Laboratories

Test Code CL24 CHLORIDE, 24-HOUR URINE

Important Note

For patient collection instructions, please click here.

Additional Codes

Software Test Code
Label Text CL24
EPIC LAB375

Performing Laboratory

NorDx Laboratories

Useful For

Evaluating electrolyte composition of urine, acid-base studies

Method Name

Ion-Selective Electrode (ISE)

Reference Values

110 - 250 mEq/24h

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Specimen Type

Urine, 24-Hour

Preferred Container

24-Hour Urine Container – 24 hour collection required; No Preservatives

Preferred Volume

Urine, 24-Hour: 10 mL (24-Hour Urine Container)

Minimum Volume

Urine, 24-Hour: 1 mL (24-Hour Urine Container)

Specimen Collection and Handling

1. No preservative

2. Refrigerate specimen during collection.

3. Send specimen refrigerated.

To Process:

1. Prior to aliquoting specimen, mix specimen well, measure and record volume.

2. 10 mL aliquot from a 24-hour urine collection in a clean, non-sterile, plastic urine container.

3. 24-HOUR VOLUME IS REQUIRED ON REQUEST FORM FOR PROCESSING.

Click here to view the Urine Collection Instructions

Specimen Stability Information

Specimen Type: Urine, 24-Hour

Refrigerated: 6 Days

Note: 24 hour collection required; No Preservatives

Add On Capable

Yes

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

82436 Chloride, Urine, Quantitative  

Performing Laboratory Location

NorDx Laboratories

LOINC Code Information

2079-2

Profile Information

Individual Test Description

CHLORIDE, 24 HOUR URINE
DATES OF COLLECTION, 24 HOUR URINE
VOLUME, 24 HOUR URINE

Keywords

CHLORIDE

CL

Rejection Information

24 hour collection incomplete