pH BLOOD

Mnemonic

PH

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, specimens 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

Method

pH electrode

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

Arterial: 7.35-7.45

Critical Values

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

CPT Codes

82800

Last Updated: Thursday, January 5, 2017 03:42:24 AM