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22805 Ischemic Exercise Test

Ischemic Exercise Test
Test Code: IET
Synonyms/Keywords
IET
Test Components
Lactic Acid​
Useful For
This test is performed to aid in the evaluation of patients with chronic diffuse muscular aches or cramps or pains and for patients suspected of having a defect in anaerobic glycolysis.​
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​ Gray Top Tube(GYTT)​ ​ 1 mL​ 0.3 mL​ ​
Collection Processing Instructions
Specimen must be drawn WITHOUT a tourniquet and WITHOUT hand clenching.
Specimens are drawn at baseline and at 1,3,5, 10 and 20 minutes post exercise.
Centrifuge in refrigerated centrifuge immediately and remove plasma to plastic tube within 15 minutes.
Send all blood specimens to the laboratory as a group at the end of the test. After collection, each sample should be kept on wet ice until analyzed.
 
See (Ischemic Exercise Test Protocol) for more information.​
Specimen Stability Information
Specimen Type Temperature Time
Plasma​ ​ On Ice​ 2 hours​
Frozen​ >2 hours​
Rejection Criteria
​Significant icterus
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ Less than 2 hours​ Enzymatic Fixed Assay/ Beckman AU​
Test Information
Lactic acid analyses are routinely performed on the blood specimens. Ammonia, if desired, must be requested and collected separately in 3 mL heparinized (green top) tubes.
 
Set up: Monday through Friday only. Schedule test with Clinic Cardiology.​
Reference Range Information
Performing Location Reference Range
Marshfield​ Not established​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
95875   ​ ​ ​ ​ ​
Synonyms/Keywords
IET
Test Components
Lactic Acid​
Ordering Applications
Ordering Application Description
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​ Gray Top Tube(GYTT)​ ​ 1 mL​ 0.3 mL​ ​
Collection Processing
Specimen must be drawn WITHOUT a tourniquet and WITHOUT hand clenching.
Specimens are drawn at baseline and at 1,3,5, 10 and 20 minutes post exercise.
Centrifuge in refrigerated centrifuge immediately and remove plasma to plastic tube within 15 minutes.
Send all blood specimens to the laboratory as a group at the end of the test. After collection, each sample should be kept on wet ice until analyzed.
 
See (Ischemic Exercise Test Protocol) for more information.​
Specimen Stability Information
Specimen Type Temperature Time
Plasma​ ​ On Ice​ 2 hours​
Frozen​ >2 hours​
Rejection Criteria
​Significant icterus
Useful For
This test is performed to aid in the evaluation of patients with chronic diffuse muscular aches or cramps or pains and for patients suspected of having a defect in anaerobic glycolysis.​
Test Components
Lactic Acid​
Reference Range Information
Performing Location Reference Range
Marshfield​ Not established​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ Less than 2 hours​ Enzymatic Fixed Assay/ Beckman AU​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
95875   ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.