Cancer Antigen 19-9

Test Name

Cancer Antigen 19-9

Alternate Description

CA 19-9

LIS Code

CA199

Availability

7 days per week

Lab Section

Chemistry Area

Fluid Type

Plasma

Fluid Type And Minimum Volume

0.5 ml plasma

Specimen Tube Type Transport

Lithium Heparin Green Gel Top preferred. (Serum, Sodium Heparin Non Gel Green Top or Lavender Top also acceptable). Serial samples should be collected with the same tube type.

Container Whole Blood Required

4 ml whole blood in a Gel Green Top

Summary Test Name

Cancer Antigen 19-9

Transport Time

After 24 hours, the samples need to be separated and refrigerated at 2-8c

Specimen Preparation Outreach

Refrigerate until courier pickup.

Specimen Stability

5 days refrigerated at 2-8°C

Minimum Volume

0.2 mls plasma

Specimen Transport

Refrigerate at 2-8c

Specimen Preparation In House

If test is not performed within 24 hours of collection the sample should be spun, separated and refrigerated.

Test Turnaround Time Routines And Stats

4 Hours

Reference Value

<36 U/mL

Methodology:  Roche Elecsys CEA assay performed on the cobas e 601/602 analyzer utilizing electrochemiluminescence immunoassay technology (ECLIA).  Results obtained with different assay methods or kits cannot be used interchangeably.