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22388 CA19-9

CA19-9
Test Code: CA19-9
Synonyms/Keywords
​Carbohydrate Antigen 19-9, CA 19-9
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​Serum​Serum Separator Tube (SST)​Red Top Tube (RTT)​​0.5 mL​0.4 mL​0.3 mL​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ Ambient​ 8 hours​
Refrigerated​ 2 days​
Frozen​ >2 days​
Performing Laboratory Information
 
 
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​Less than 2 hours​Two-step Sandwich Immunoassay using Direct Chemiluminometric Technology/Siemens Centaur ​
Test Information
​Submit diagnosis code on any Medicare/Medicaid patients. CA 19-9 is neither specific nor sensitive enough to be used as a cancer screen.
Reference Range Information
Performing Location Reference Range
Marshfield​ <26 U/mL​
Interpretation
​Serum markers are not specific for malignancy, and values may vary by method.
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
86301​
Synonyms/Keywords
​Carbohydrate Antigen 19-9, CA 19-9
Ordering Applications
Ordering Application Description
​Centricity ​Carbohydrate Ag. 19-9
​Cerner ​CA 19-9
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​Serum​Serum Separator Tube (SST)​Red Top Tube (RTT)​​0.5 mL​0.4 mL​0.3 mL​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ Ambient​ 8 hours​
Refrigerated​ 2 days​
Frozen​ >2 days​
Reference Range Information
Performing Location Reference Range
Marshfield​ <26 U/mL​
Interpretation
​Serum markers are not specific for malignancy, and values may vary by method.
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​Two-step Sandwich Immunoassay using Direct Chemiluminometric Technology/Siemens Centaur ​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
86301​
For most current information refer to the Marshfield Laboratory online reference manual.