Test Code 8699 pH (Venous)
Purpose
Determining blood pH.
Performing Laboratory
Copley Hospital
Methodology
Ion-Selective Electrode (ISE)
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: Dark-Green Tube, Pediatric-Green Tube
Specimen Volume: Full Tube
Specimen Minimum Volume: 2 mL
Collection Instructions:
1. Label specimen with patient’s full name, date of birth,
date & time of collection, and person collecting.
2. Transport sample to the laboratory immediately.
Reference Values
Normal pH: 7.38 - 7.46
Critical pH: < 7.2 or > 7.6
Stability
Specimens must arrive within 30 minutes of collection.
Day(s) Performed
Daily
Available STAT
Analytical Time: 1 Hour
Aliases
pH (Venous)
pH
VBG
Test Classification and CPT Coding
82803