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Mar 27, 2017

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UWHC,UWMF,

Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Blood Gas

pH

pH (HCPH) Blood Gas Lab Test

Name: pH

Test Name: pH

Health Link Test Code: HCPH

LIS Test Code: PH

CPT Code(s): 82800

Included In: Blood Gases Panel

Methodology: Electrode

Days Performed: Daily, 24 hours.

Stat In-Lab Turnaround Time: Less than 30 minutes.

Patient Preparation:

None. For venous samples on outpatients, send patient to UWHC Outpatient Phlebotomy to be drawn.

Specimen: Arterial, venous, or capillary

Collection Container: Radiometer PICO® syringe

Also Acceptable: 2 full Radiometer capillary tubes, Green top

Collection Instructions:

Radiometer "PICO"® syringes must be free of bubbles and clots. Two full Radiometer capillaries free of air bubbles and clots are needed for capillary blood.

Collection Volume: 1.5 mL

Pediatric Collection Volume: 0.5 mL

Stability Ambient:

1 hour

Stability Frozen:

Not acceptable

Sample Analyzed: Whole Blood

Testing Volume: 1.5 mL

Pediatric Testing Volume: 0.5 mL

Specimen Transport:

Transport specimen to UWHC Core Laboratory (B4/220) immediately. Assure specimen receipt in the lab is within 15 minutes of collection.

Unacceptable Criteria:

Clotted specimens, specimens with air or specimens past stability time are not acceptable.

Interpretation:

Arterial blood:

1 day to 10 days: 7.29-7.45

 

11 days and up: 7.36-7.44

Interpretation Type: Reference Interval

Effective Date of Reference Range: Mon, 06 Jun 2016 07:00:00 CDT

Critical Calls: yes