Blood Gas, Venous


Abbrev Code:BGV   
Order Code:LAB79Order Name:Blood Gas Venous
Synonyms:Venous Blood Gas; VBG
CPT Codes: 82803 x1
Special Instructions:Whole blood sodium, potassium, chloride, CO2, ionized calcium, lactate and glucose may be requested on this specimen. Provide FIO2 on request form.


Collection Instructions

Specimen:Blood
Optimal Volume:0.5 mL (3 mL syringe); 0.2 mL (tuberculin syringe)
Container:Dry heparin syringe
Collection Instructions:
  • UMMC East Bank only: Place sample on ice if analysis may be more than 30 minutes from the time of collection.
  • All Other Sites: DO NOT COLLECT ON ICE. Sample must be received within 30 minutes of collection.

Specimen should be free of air bubbles. Deliver to laboratory immediately; if received within 30 minutes, ice is not required.  
Venous or arterial catheter Remove any bubbles present, cap and mix thoroughly.
Venipuncture Collect venous samples without tourniquet. Do not allow patient to clench/unclench hand (this builds  up lactic acid).
 


Processing and Shipping

Specimen Processing:Do not store.
Shipping Instructions:Ship immediately; if received within 30 minutes, ice is not required. Ship on wet ice to arrive within 2 hours.
UMMC, FNMC and FLMC only: Do not send in PTS.
FSH only: DO NOT COLLECT ON ICE, must arrive in laboratory within 30 minutes.
Stability:Whole blood potassium is stable at room temperature for 2 hours. Whole blood potassium is stable in ice/gel packs for 30 minutes.
Test Performed at or Referral Lab Chemistry  (CSC Maple Grove, CSC Mpls, Lakes, Northland, Range, Ridges, Southdale, St. John's, UMMC East Bank, UMMC West NICU, UMMC/UMMCH-West Bank, Woodwinds)


Interpretive

Critical Range:Whole Blood Testing Critical Values and Reference Ranges
Reference Range:Whole Blood Testing Critical Values and Reference Ranges
Use:
  1. Evaluate oxygen and metabolic parameters
  2. Monitor oxygen therapy


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