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22659 Glucose Meter Check

Glucose Meter Check
Test Code: GLUCCHK
Synonyms/Keywords
Glucometer Check​
Useful For
This test is used to compare glucose meter results with a venipuncture glucose performed by the laboratory. It will aid in monitoring meter performance and patient capillary puncture technique.​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Plasma​Lithium-heparin Plasma Separator (PST)​​Lithium or Sodium-heparin Green Top (GTT)1 mL​0.3 mL​ ​
Collection Processing Instructions
Phlebotomy:
Fill out Glucose Meter Check form with patient demographics (form is in Document Control).
Allow patient to perform capillary puncture and proceed to glucose testing on his/her meter
Log result on form where it states, “Capillary glucose meter result ______”
Draw whole blood in a GTT (green top tube) or a PST (plasma separator tube) via venipuncture
Perform glucose testing on patient’s meter with a portion of the unspun venous specimen
Log result on form where it states, “Venous glucose meter results ______”
Record meter type and phlebotomist initials
Send remaining blood and completed blood glucose meter check form to lab for plasma testing
 
Processing:
Receive GTT or PST patient sample and Glucose Meter Check form as it arrives in the lab
Verify patient identification (label or written) has been placed on the tube and the top of the form
Arrive sample
Hand-carry sample and paperwork to laboratory.​
Specimen Stability Information
Specimen Type Temperature Time
Plasma​ ​ ​ Ambient​ 5 days​
Refrigerate​ 7 days​
​Frozen ​1 year
Rejection Criteria
If no paperwork arrives with sample, test needs to be cancelled and credited.
Performing Laboratory Information

Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Weston
 ​Monday through Sunday​ ​Less than 2 hours​ ​Modified Hexokinase Method/Siemens Dimension
​Park Falls
 ​Monday through Sunday​ ​Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU
Marshfield​ Monday through Sunday​ Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU
Minocqua​ ​Monday through Sunday​ ​Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU​
Reference Range Information
Performing Location Reference Range
All Performing Sites Interpretive report​
Interpretation
If (the following glucose results pattern is present): Then (the following auto-comment is added):
Both meter glucose results are within 10% of the lab glucose value, this suggests the patient’s collection and analytical technique are acceptable, and that the meter is performing accurately. “Patient’s glucose meter technique appears adequate.”
 
Both meter glucose values exceed 10% bias versus the lab glucose value; this suggests that the meter is inaccurate. “>10% discrepancy between lab venous and glucose meter results.”
 
The meter’s capillary glucose bias is <=10.0%, but the meter’s venous glucose bias is >10% versus the lab, then the results cannot be interpreted, as the meter may not be accurate. “Unable to interpret patient glucose meter technique from these results.”
 
The meter’s venous glucose bias is <=10.0%, but the meter’s capillary glucose bias is >10.0 versus the lab, then the meter appears accurate but the patient’s technique is in question “Patient’s glucose meter technique may be inadequate.”​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82947 ​ ​ ​ ​ ​
Synonyms/Keywords
Glucometer Check​
Ordering Applications
Ordering Application Description
​Centricity ​Glucose Meter Check
​Cerner None​
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Plasma​Lithium-heparin Plasma Separator (PST)​​Lithium or Sodium-heparin Green Top (GTT)1 mL​0.3 mL​ ​
Collection Processing
Phlebotomy:
Fill out Glucose Meter Check form with patient demographics (form is in Document Control).
Allow patient to perform capillary puncture and proceed to glucose testing on his/her meter
Log result on form where it states, “Capillary glucose meter result ______”
Draw whole blood in a GTT (green top tube) or a PST (plasma separator tube) via venipuncture
Perform glucose testing on patient’s meter with a portion of the unspun venous specimen
Log result on form where it states, “Venous glucose meter results ______”
Record meter type and phlebotomist initials
Send remaining blood and completed blood glucose meter check form to lab for plasma testing
 
Processing:
Receive GTT or PST patient sample and Glucose Meter Check form as it arrives in the lab
Verify patient identification (label or written) has been placed on the tube and the top of the form
Arrive sample
Hand-carry sample and paperwork to laboratory.​
Specimen Stability Information
Specimen Type Temperature Time
Plasma​ ​ ​ Ambient​ 5 days​
Refrigerate​ 7 days​
​Frozen ​1 year
Rejection Criteria
If no paperwork arrives with sample, test needs to be cancelled and credited.
Useful For
This test is used to compare glucose meter results with a venipuncture glucose performed by the laboratory. It will aid in monitoring meter performance and patient capillary puncture technique.​
Reference Range Information
Performing Location Reference Range
All Performing Sites Interpretive report​
Interpretation
If (the following glucose results pattern is present): Then (the following auto-comment is added):
Both meter glucose results are within 10% of the lab glucose value, this suggests the patient’s collection and analytical technique are acceptable, and that the meter is performing accurately. “Patient’s glucose meter technique appears adequate.”
 
Both meter glucose values exceed 10% bias versus the lab glucose value; this suggests that the meter is inaccurate. “>10% discrepancy between lab venous and glucose meter results.”
 
The meter’s capillary glucose bias is <=10.0%, but the meter’s venous glucose bias is >10% versus the lab, then the results cannot be interpreted, as the meter may not be accurate. “Unable to interpret patient glucose meter technique from these results.”
 
The meter’s venous glucose bias is <=10.0%, but the meter’s capillary glucose bias is >10.0 versus the lab, then the meter appears accurate but the patient’s technique is in question “Patient’s glucose meter technique may be inadequate.”​
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Performing Laboratory Information

Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Weston
 ​Monday through Sunday​ ​Less than 2 hours​ ​Modified Hexokinase Method/Siemens Dimension
​Park Falls
 ​Monday through Sunday​ ​Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU
Marshfield​ Monday through Sunday​ Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU
Minocqua​ ​Monday through Sunday​ ​Less than 2 hours​ Hexokinase-UV/NAD Endpoint Assay/ Beckman AU​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82947 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.