pH, Fluid

Specimen Container

Red Top Vacutainer, 6 mL

Specimen Collection Type

Body fluid

Minimum Volume To Collect (Ml)

1 mL

Pediatric Volume To Collect (Ml)

0.5 mL

Specimen Preparation

Do not remove the cap from the tube prior to aliquoting or analysis

Stability

Ambient Stability: 4 hrs
Refrig Stability: 4 hrs
Frozen Stability: 7 Days

Unacceptable Conditions

Dark Blue capped 15 mL sterile plastic tube with no additive,
Lavender (K2 EDTA),
Light Blue (Sodium Citrate),
Gray (Potassium Oxalate/Sodium Fluoride/Na2 EDTA),
Dark Green (Sodium Heparin/Lithium Heparin),
Gastric fluid,
CSF

Preferred Transportation Temperature

AMBIENT

Performed

Sun-Sat

Reported

Same day

Methodology

Abbott iSTAT
and
Central Lab, only: NOVA Biomedical Hydrogen Ion Selective Membrane

Lab Department

Molecular

Testing Location

IHC

Synonyms

Body Fluid pH

Test OR Panel

Test

Misc Instructions

SPECIAL INSTRUCTIONS: Sample should be collected in a Red Top Vacutainer, 6 mL.
May wrap parafilm or tape to seal Red cap.

If sample is received in a 60 cc syringe, aliquot to a Red Top Vacutainer, 6 mL
adapter information: female Luer adapter, item number 32041937

Do not remove the cap from the tube prior to aliquoting or analysis, as a loss of CO2 will increase the pH. (Keep specimen anaerobic as possible.)

CPT Codes

83986

LOINC

2748-2

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