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BLOOD GAS ANALYSIS, capillary (087-5101)
Test Mnemonic:


Specimen Requirements:

o.5 mL of blood in Heparinized blood gas capillary tube. Specimen must be collected without introducing air spaces. Sample should be capped tightly on both ends. 

Minimum Volume:

0.25 mL of blood


Delivered to Sample Management within 10 minutes of collection.    

Specimen Preparation:

Keep specimen at room temperature as long as the analysis is completed within 30 minutes of collection

Causes for Rejection:

: Clotted; blood leaking from syringe; large air space or bubbles in syringe; syringes with needles attached; and specimens not delivered to the lab within allotted time; incomplete and/or incorrect sample identification, improper storage/transport.  

Reference Range:

By report (reports may vary based on instrumentation, patient age and sex).

Turnaround Time:

STAT: 10 minutes; CODE: 5 minutes




Clinical Chemistry and Respiratory Therapy      

CPT 4 Code:



Requisition must indicate requesting physician's name, diagnosis code, date & time drawn, type of sample (arterial, venous or capillary), FiO2 and ventilatory support type, and patient's temperature. Deliver specimen to the lab immediately (within 10 minutes) after collection. 

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.
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