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General Information

Logan Health Whitefish Critical Values Policy

Test Catalog Visual Aid

Test Catalog -Tube Colors and Order Codes

 

 

 

 

 

 

 

Special Instructions

Bristol Stool Chart

TB Quantiferon Gold Blood Test Guide

Vaginal Collection Guide

Hematology Labeling Guide

Patient Urine Collection Guide

Light Sensitive Test Chart

Specimen Labeling Guide

Swab Collection Kit Guide

Stool Specimen Collection Guide

 

LINKS

Mayo Medical Laboratories

Mayo Clinic Laboratories

Test Code N.CO2 CARBON DIOXIDE (CO2)

Important Note

Keep tube tightly capped for storage, CO2 values decrease up to 6mEq/L over the course of an hour upon ambient air exposure. 

Methodology

Automated Chemistry Analyzer (ALINITY)

Specimen Requirements

Specimen Type: Serum or Plasma
Container/Tube: SST or Lithium Heparin
Specimen Volume: 1 mL (minimum 0.5)
Collection Instructions: 

  1. Allow specimen to clot completely if a serum tube (SST) was used.
  2. Separate serum (SST) or plasma (Lithium Heparin) from cells within 24 hours and transport refrigerated. If red top tube is collected, separate serum from cells within 2 hours and place in separate plastic tube.
  3. Properly label tube with patient's name, DOB, requisition number and type of tube, i.e. LiHep or NaHep etc.

Specimen Transport/Stability

Refrigerated: 2 days

Specimen Rejection

1. Exceeding stability requirements

2. Unlabeled/mislabeled specimen

Maximum Laboratory Time

24 - 48 hours

Reference Ranges

CO2       mMOL/L
Newborn     13.0 - 22.0
6 days     20.0 - 28.0
12 yrs     22.0 - 29.0

 

 

 

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82374