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Blood Gas - Venous

Source Blood
Mnemonic

CLS Chemistry: CHEMWBV
Respiratory: BGV
CLH, OGH, VGH: RBGV
BMSH, CMGH, HRH: BGRV
DDHS, SDHS: BGV

Specimen Requirements

FMC, PLC, RGH, SHC, MCS and PSCs: Collections are not performed for outpatients or community patients.

FMC, PLC, RGH and SHC: Inpatients collected by nursing services or respiratory staff.

ACH: Inpatients, outpatients and community patients may be collected by nursing services, respiratory or laboratory staff. Notify ACH Clinical Biochemist of all laboratory collections.

CRL: Collected by nursing or laboratory staff.

Adult:
1 mL of blood in an Electrolyte Balanced Heparin Blood Gas Syringe

Pediatric:
0.3 to 0.7 mL of blood in 1 mL Electrolyte Balanced Heparin Blood Gas Syringe

CRL:
1 x 4.0 mL dark green top lithium heparin tube

Specimen Handling Mix well. Avoid or remove air bubbles. Do NOT place on ice or in ice slurry. Must be analyzed within 15 minutes of collection.
Additional Information

CRL: Order on CRL requisition.
If collected in a lithium heparin tube, Blood Gas includes pH, pCO2, Bicarbonate (HCO3) and Base Excess; vacutainer collection does not allow for accurate measurement of pO2 and O2 Saturation.

ACH:
Outpatient lab only
:
Page Respiratory at 05253 prior to collection to notify Respiratory staff of a Blood Gas - Venous Collection.
Inpatient only:
If Respiratory staff are not present for the collection or haven't been notified, then Nursing staff will provide the heparinized syringe for Laboratory staff to collect the sample.Nursing staff will notify Respiratory of the collection.
ED only:
Order in SCM or on CLS Acute Care requisition.
Call the Chemistry direct line 5-7383 and inform them that a blood gas sample is being sent via the pneumatic tube system.
DO NOT place blood gas sample in the same biohazard bag as any other blood work; use a separate biohazard bag.

FMC:
ED, McCaig PACU, McCaig OR only:

Order in SCM or on CLS Acute Care requisition.
Page 'VBG sent' to 00304 to inform them that a blood gas sample is being sent via the pneumatic tube system.
DO NOT place blood gas sample in the same biohazard bag as any other blood work; use a separate biohazard bag.

PLC:
ED only:
Order in SCM or on CLS Acute Care requisition.
Call the Chemistry direct line 3-4606 and inform them that a blood gas sample is being sent via the pneumatic tube system.
DO NOT place blood gas sample in the same biohazard bag as any other blood work; use a separate biohazard bag.

RGH:
ED only:

Order in SCM or on CLS Acute Care requisition.
Call the Chemistry direct line 3-3594 and inform them that a blood gas sample is being sent via the pneumatic tube system.
DO NOT place blood gas sample in the same biohazard bag as any other blood work; use a separate biohazard bag.

SHC:
ED, PACU, ICU, OR only:
Order in SCM or on CLS Acute Care requisition.
Call the Chemistry direct line 6-1377 and inform them that a blood gas sample is being sent via the pneumatic tube system.
DO NOT place blood gas sample in the same biohazard bag as any other blood work; use a separate biohazard bag.

RRLs: If collected in an Electrolyte Balanced Heparin Blood Gas Syringe, Blood Gas includes: pH, pCO2, pO2, Bicarbonate (HCO3), Base Excess (BE), Total Hemoglobin, Oxyhemoglobin (O2 Saturation), Carboxyhemoglobin, Methemoglobin, Hematocrit, Sodium, Potassium, Chloride, Ionized Calcium, Glucose and Lactate.

NOTE: Patient must meet the qualifications to have a blood gas performed. These tests are run as a panel ONLY. This test panel is NOT for routine electrolyte, metabolite or hemoglobin testing.

Testing Location Respiratory and Chemistry-ACH, FMC, PLC, RGH, and SHC
Rural: BMSH, CLH, CMGH, DDHS, HRH, OGH, SDHS, VCH
Testing Frequency Daily
Alternate Name(s)
Reference Interval Click here for critical values.