Ca199

Pathology category

Biochemistry

Code

C199

Referral code

Request form

Test information

Indicated in monitoring patients with known pancreatic carcinoma CA 19-9 assay detects the sialylated form of lewis blood group antigen and so is not present in around 10% of individuals who lack this antigen. Not specific for pancreatic cancer, being elevated in extrahepatic biliary obstruction, chronic liver disease and other GI cancers Used to monitor patients with pancreatic and colorectal cancers.

Guidelines

Pre-analytical

Reference range

<35 U/mL

Source: Beckman Coulter

Tube type

Tube type info

Adults: 5ml Serum SST (gold top)

Special requirements

Minimum volume

Adults: 1 ml

Assay frequency

Run daily at local laboratory

TAT Inpatient (urgent)

TAT Inpatient

48 hrs

TAT GP/Outpatient

48 hrs

Referral lab

Local, Clinical Biochemistry