NIH Clinical Center
Dept. of Lab Medicine | Dept. of Transfusion Medicine | Anatomic Pathology Test Guide > Lab Test
 Lab Test
 
 Test Description
Panel Name:
Test Name:
CA 19-9
Panel Tests:
LIS Test Code:CA1991
Synonyms: Carbohydrate Antigen
Department:Laboratory Medicine
Lab Area:Chemistry
Telephone:301-496-3386
TAT:1-7 days
 Specimen Collection
Source:

Site:

Container:Red/Yellow Rim 4mL SST

Micro. Container:


Collection Instructions:

Delivery Instructions:Send specimen to 2C324 or Tube Station 321
Specimen Type: Blood
Frequency / Restrictions:
 Expected Values/Results

Ranges and Interpretation:

CA 19-9  U/mL  (SI:  kU/L = 1.0 x U/mL)
Performed at the National Institutes of Health, Bethesda MD
Effective 15Dec11 – present:  <35

Organisms Reported:

Alert Limits:

 Additional Test Information

Comments:


Methodology:

Electrochemiluminescent assay on Roche Cobas e601 analyzer.


Cautions:

The measured CA 19-9 value of a patient's sample can vary depending on the testing procedure used.  CA 19-9 values determined by different testing procedures cannot be directly compared to one another and could cause erroneous medical interpretations.

 
Archived Ranges:Historical Reference Ranges



 
 

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