BLOOD GAS ANALYSIS, capillary (087-5101)

Synonyms: ABG, Arterial Blood Gases, CBG, Capillary Blood Gases, Baby Blood Gases

CPT 4 Code: 82803

Order Test Mnemonic: AC ABG

Test Includes: pH, pCO₂, pO₂, Bicarbonate (HCO₃^-)

Lab: High Volume Lab Rm 5.134 McCullough,  ISCU, PICU

Request Form: Chemistry 3 - Blood Gases

Collection: Blood must be collected without introducing air spaces. Sample should be capped tightly on both ends.

Storage Instructions: 2-8C; transport, on ice, immediately (within 15 minutes) to lab

Causes for Rejection: Clots or air spaces/bubbles in capillary tubes

Availability: Samples are accepted 24 hours a day at the High Volume Lab Rm 5.134 McCullough,  ISCU,  PICU

Turnaround Time: 10 minutes (5 minutes CODE)

Special Instructions: Requisition must indicate requesting physician, Diagnosis Code, time drawn, type of sample (arterial, venous or capillary), FiO₂ and ventillary support type, and patient temperature. Deliver to lab immediately (within 15 minutes) after collection.

Specimen: Blood

Volume: 0.5 mL blood

Minimum Volume: 0.25 mL blood (filled, single capillary blood gas tube)

Container: Heparinized blood gas capillary tubes

Reference Ranges: pH: 7.37-7.43; pCO₂: 37-43 mmHg; pO₂: >90 mmHg; Bicarbonate (HCO₃^-): 22-26 meq/L

Critical Values: None defined for capillary blood gases; see values for Blood Gas Analysis, arterial and/or Blood Gas Analysis, venous

Revised April 2007 by P. Harris

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