Test Code PHC pH, Capillary
MethodologyGlass Electrode (Sorenson pH Concept)
Performing LaboratoryThedaCare Laboratories
Specimen RequirementsSpecimen must arrive within 15 minutes of draw.
Specimen Type: Whole blood, capillary
Container/Tube: Heparinized Natelson tube
Specimen Volume: 0.6 mL
Collection Instructions: Tube must be completely filled, capped, and drawn free of air. Do not expose specimen to air.
Specimen Transport TemperatureAmbient
Reference Values0-12 months: 7.30-7.45
>1 year: 7.35-7.45
Critical value (automatic call-back): <7.21 or >7.65