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*pH BLOOD

Mnemonic

PH VEN

Specimen Collection Requirements

Collect

Whole Blood, one heparinized blood gas syringe

Handling

Collect specimen anaerobically. Blood gas syringe should be capped with no air space. Transport immediately.

Minimum Volume

1.5 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Specimens with syringe uncapped or with airspace, collected in tubes with benzalkonium heparin, EDTA, citrate, oxalate or fluoride

Stability

Ambient (20-25°C): 30 minutes; Refrigerated (2-8°C): 30 minutes; Frozen (at or below -20°C): Unacceptable

Testing Information

Performed

7 days/week

Reported

24 hours

Method

pH electrode

Reference Values

Reference Values

Arterial:    7.35-7.45
Venous:    7.33-7.43

Critical Values

Arterial:    <7.22 and >7.59
Venous:    <7.22 and >7.59

CPT Codes

82800

Last Updated: Thursday, January 5, 2017 03:41:27 AM


Client Services: 503-413-1234