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Test Code 1024 pH, Quantitative, Random, Urine

Performing Laboratory

Barnes-Jewish Hospital Laboratory


Ion-Specific Electrode (ISE) (pH Meter)

Literature References:

 1. Reference manual: ABL 800 Series.  Radiometer America, Bronshoj Denmark, 2009.

2. pH Meter: The pH 11 and pH 110 hand-held pH/mV/Temperature/RS 232 meter instruction manual. Oakton Instruments; Vernon Hill, IL 60061.

Specimen Requirements

Specimen must arrive within 1 hour of collection.


Specimen Type: Urine, random

Container/Tube: Clean container

Specimen Volume: 5 mL


Collection Instructions:

1. Have patient void into a clean container with no additive.

2. Immediately draw 5 mL of urine into a syringe.

3. Expel any air and cap with a Luer-Lok.

4. Place specimen in ice and send immediately to the lab.

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: not available

Reference Values


Test Classification and CPT Coding


Additional Information

For BJH Laboratory Use Only

Analyte Stability:

Not established; performed upon receipt

Laboratory Processing Instructions:

Test performed in BJH Chemistry. Specimen must be received in a syringe and on ice. Deliver to the blood gas workstation immediately.

Specimen Transport Temperature

On wet ice

LOINC Code Information

Name LOINC Code
pH, Quantitative, Random, Urine 2756-5