Test Code 256 pH, Venous
Additional Codes
ALAB: PHVEN
PowerChart: pH Venous
Test Method
Direct Potentiometry; iSTAT, iSTAT Corporation
Specimen Requirement
1 mL heparin, venous whole blood.
Additional Specimen Collection Information
Collect venous blood into an ABG syringe. Samples may be stored at room temperature for 10 minutes or on wet ice for 30 minutes.
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hour after the specimen arrives at the testing site.
STAT orders: Typically completed within 15 minutes after the specimen arrives at the testing site.
Reference Values
7.31-7.41
CPT Code Information
82800 Chemisty; Gases, blood, pH only
Useful For
Monitoring venous pH
LOINC Code Information
2746-6 pH Of Venous Blood