Also called: CA 19.9 test, Carbohydrate Antigen 19.9, CA19-9, Pancreatic cancer marker test
Report
1 Parameters
What it checks
Report delivery
Test for
Age group
Commonly advised for
The CA 19.9 (Pancreatic Cancer Marker), Serum test measures the level of Carbohydrate Antigen 19.9 in the blood. CA 19.9 is a tumor marker that may be elevated in certain cancers, especially pancreatic cancer, and in some cancers of the bile ducts, stomach, or colon. It is most commonly used to monitor treatment response, assess disease progression, and support follow-up after therapy.
It is important to understand that CA 19.9 is not a standalone screening or diagnostic test for cancer. Elevated levels may also occur in several non-cancerous conditions such as pancreatitis, bile duct obstruction, liver disease, gallstones, and jaundice. For this reason, results must always be interpreted along with symptoms, scans, examination findings, and other investigations.
Your doctor may recommend this test to:
Monitor patients with known pancreatic cancer
Assess response to cancer treatment
Help detect recurrence after treatment
Support evaluation of suspected pancreatic or biliary disease
Interpret symptoms such as jaundice, unexplained weight loss, or upper abdominal pain along with other tests
Unexplained jaundice
Persistent upper abdominal pain
Unexplained weight loss
Loss of appetite
Persistent digestive complaints
Known pancreatic or biliary tract cancer
Follow-up after cancer treatment
Suspected pancreaticobiliary obstruction
If your doctor is evaluating pancreatic or gastrointestinal disease, this test can provide supportive information. In people already diagnosed with cancer, serial CA 19.9 values may help track treatment response or indicate the need for further review. It is most useful when used with imaging and clinical findings rather than on its own.
No fasting is usually required unless advised along with other tests
Inform your doctor about any liver disease, pancreatitis, gallstones, jaundice, or cancer history
Share details of ongoing treatment, surgery, chemotherapy, or radiation if applicable
A blood sample is collected from a vein in your arm and sent to the laboratory for analysis. The procedure is simple and usually takes only a few minutes.
High CA 19.9: May be seen in pancreatic cancer, biliary tract cancer, and certain gastrointestinal cancers, but can also occur in non-cancerous conditions such as pancreatitis, cholangitis, liver disease, and bile duct obstruction
Falling levels during treatment: May suggest a positive response to treatment
Rising levels after treatment: May suggest persistent disease, recurrence, or need for further evaluation
Normal levels: Do not completely rule out cancer, as some patients may have normal values despite disease
An abnormal result should always be discussed with your doctor. Further evaluation may include imaging studies, liver function tests, pancreatic evaluation, or additional tumor marker and specialist review depending on your condition.
Pancreatitis
Bile duct obstruction
Jaundice
Liver disease
Gallstones
Gastrointestinal inflammation
Cancer treatment status
Is CA 19.9 a cancer screening test?
No. It is not used alone as a general screening test for cancer.
Can non-cancer conditions increase CA 19.9?
Yes. Pancreatitis, jaundice, bile duct blockage, and liver disease can raise CA 19.9 levels.
Is this test useful after cancer treatment?
Yes. It is often used to monitor treatment response and detect possible recurrence during follow-up.
Do I need fasting for this test?
Usually no, unless your doctor has ordered it with other fasting investigations.
Can a normal CA 19.9 rule out pancreatic cancer?
No. A normal result does not completely rule out cancer, so clinical evaluation and imaging remain important.
CA 19.9 is a tumour marker used mainly for follow-up under a doctor's guidance. It is advised if:
Tapadia Diagnostic Centre in Hyderabad offers NABL-accredited CA 19.9 (Pancreatic Cancer Marker), Serum test from a Blood sample(s). CA 19.9 test, Carbohydrate Antigen 19.9, CA19-9, Pancreatic cancer marker test is also prescribed for Pancreatic cancer monitoring, treatment follow-up, unexplained jaundice, suspected pancreaticobiliary disease. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Hyderabad center. Pay at the centre with no advance payment. Book online or visit us.
Below M.S Junior College, Near NMDC, (Old Universal Bakery building), Masab Tank Road, Hyderabad.
Services: Lab, X Ray, ECG, U/S Scan, 2D Echo, CT Scan, MRI
Branch Incharge: Md Uzaib- 7499267648
Beside Ramalayam Temple, Near Ramakrishna Medical Hall,Hyderabd-80
Services: Lab, ECG
Branch Incharge: Mr. Shobhan : 9391111847
H.No.1-84/A/1, Veera Reddy Nagar Colony, Beside Union Bank Boduppal, Hyderabad-500092
Services: Lab, X Ray, ECG
Branch Incharge: MR. Praveen Gupta : 9848056578
CA 19.9 (Pancreatic Cancer Marker), Serum in Hyderabad
Rated 4.6 on Google
From 6,477 patient reviews across our Hyderabad centres.
Every report, kept for you
Past reports stay in your account and can be downloaded again.
NABL accredited
Every result reviewed by a qualified pathologist before it reaches you.
Four decades of practice
A family-run diagnostic centre, trusted by doctors and households since 1989


CA 19.9 (Pancreatic Cancer Marker), Serum in Vijayawada
CA 19.9 (Pancreatic Cancer Marker), Serum in Visakhapatnam
CA 19.9 (Pancreatic Cancer Marker), Serum in Ahmedabad
CA 19.9 (Pancreatic Cancer Marker), Serum in Bengaluru
CA 19.9 (Pancreatic Cancer Marker), Serum in Mumbai
CA 19.9 (Pancreatic Cancer Marker), Serum in Secunderabad
CA 19.9 (Pancreatic Cancer Marker), Serum in Karimnagar
CA 19.9 (Pancreatic Cancer Marker), Serum in Hyderabad
CA 19.9 (Pancreatic Cancer Marker), Serum in Warangal
CA 19.9 (Pancreatic Cancer Marker), Serum in Aurangabad
HIV 1 & 2 Antibodies, Serum-Elisa Method in Hyderabad
Dengue IgG, IgM Antibodies + NS1 Antigen-Rapid, Serum in Hyderabad
Lipoprotein A (Lp A), Serum in Hyderabad
Erythrocyte Sedimentation Rate (ESR) in Hyderabad
Thyroxine Total (T4), Serum in Hyderabad
Triiodothyronine Total (T3), Serum in Hyderabad
CA 19.9 (Pancreatic Cancer Marker), Serum in Hyderabad
NIPT with Microdeletions in Hyderabad
NIPT Basic in Hyderabad
Complete Blood Picture (CBP) in Hyderabad
Serum Phosphorus Test in Hyderabad
TIBC in Hyderabad
Urology Profile in Hyderabad
Beta HCG Free, Serum (Pregnancy Test) in Hyderabad
Viral Screening in Hyderabad
AFP Test in Hyderabad
Microalbuminuria test in Hyderabad
Diabetes Testing (FBS + PLBS) in Hyderabad
Antithrombin III in Hyderabad
D-dimer test in Hyderabad
Creatine Kinase (CK) Test in Hyderabad
AST Test in Hyderabad
Cardiac Markers in Hyderabad
Pap Smear - LBC in Hyderabad
DVT Profile in Hyderabad
Bleeding Time and Clotting Time (BT & CT) in Hyderabad
Estradiol Test in Hyderabad
hs-CRP Test in Hyderabad
Alkaline Phosphatase (ALP) Test in Hyderabad
Fertility Profile in Hyderabad
Albumin blood test in Hyderabad
Troponin T in Hyderabad
Infertility Profile Extended in Hyderabad
Electrolyte Panel in Hyderabad
Anticardiolipin Antibodies (IgG) in Hyderabad
PSA Test in Hyderabad
FSH Test in Hyderabad
STD Panel in Hyderabad
PCOS Profile in Hyderabad
Serum Iron Test in Hyderabad
Cardiac Profile-III in Hyderabad
Plasma Fibrinogen Test in Hyderabad
HBsAg Test in Hyderabad
Cardiac Biomarker Test in Hyderabad
Herpes Simplex Virus (HSV) Types 1 and 2 Antibody Test in Hyderabad
Antenatal Profile in Hyderabad
Activated Partial Thromboplastin Time in Hyderabad
Lipid Panel in Hyderabad
Fine Needle Aspiration Cytology in Hyderabad
CRP test in Hyderabad
Joint Pain / SLE / Collagen Profile-I in Hyderabad
PAPP-A Test in Hyderabad
Insulin Test in Hyderabad
Triple Screen Test in Hyderabad
Anti-HCV Test in Hyderabad
Basic Metabolic Panel (BMP) in Hyderabad
Very low-density lipoprotein (VLDL) test in Hyderabad
Free Testosterone in Hyderabad
Triglycerides Test in Hyderabad
Quad Screen in Hyderabad
Folic Acid in Hyderabad
Urinalysis in Hyderabad
CEA Test in Hyderabad
Ferritin Test in Hyderabad
Transferrin Saturation% in Hyderabad
Protein C Antigen in Hyderabad
Alpha Feto Protein (AFP) - Fluid in Hyderabad
CPK (MB) Test in Hyderabad
Lupus Anticoagulant Testing in Hyderabad
Reticulocyte Count in Hyderabad
Infertility Profile-Basic in Hyderabad
Beta hCG Test in Hyderabad
DIABETIC PROFILE in Hyderabad
LH Test in Hyderabad
Anti-Müllerian Hormone (AMH) Test in Hyderabad
Bile Salts and Bile Pigments, Urine in Hyderabad
HbA1c in Hyderabad
Vitamin D (1,25-Dihydroxyvitamin D) in Hyderabad
Liver Function Test (LFT) in Hyderabad
Anemia Profile Basic in Hyderabad
Rheumatoid Factor in Hyderabad
Widal Test in Hyderabad
Bilirubin blood test in Hyderabad
Inhibin A, Tumor Marker, Serum in Hyderabad
Thyroid Function Tests in Hyderabad
eGFR in Hyderabad
Menopause Profile in Hyderabad
EXTENDED DIABETIC PROFILE in Hyderabad
LDH Test in Hyderabad
Total Cholesterol Test in Hyderabad
Random Blood Sugar Test in Hyderabad
Total Protein Test in Hyderabad
RPR test in Hyderabad
Anti-dsDNA Test in Hyderabad
HDL Cholesterol in Hyderabad
Blood Type Test in Hyderabad
ASO Titre in Hyderabad
Blood Urea(Serum) Test in Hyderabad
Postprandial Blood Sugar Test in Hyderabad
Back Pain Profile in Hyderabad
ANA test in Hyderabad
Serum Creatinine Test in Hyderabad
PT/INR Test in Hyderabad
Fasting Blood Sugar Test in Hyderabad
Extended Anemia Profile III Executive in Hyderabad
Kidney Function Test (Renal Profile) in Hyderabad
Serum Magnesium Test in Hyderabad
Well-woman exam in Hyderabad
LDL cholesterol test in Hyderabad
Prolactin Test in Hyderabad
Malaria Blood Smear in Hyderabad
Liver Function Test (+GGT) in Hyderabad
TPHA Test in Hyderabad
Hepatitis B Surface Antigen (HBsAg) Test in Hyderabad
Antenatal Profile 2 in Hyderabad
TSH Test in Hyderabad
Cardiac Catheterization in Hyderabad
Cardiolipin Antibody (IgM) in Hyderabad
Master Health Checkup in Hyderabad
Calcium Profile in Hyderabad
Coagulation Profile in Hyderabad
Uric Acid Test in Hyderabad
Vitamin D (25 - Hydroxy Vitamin D, Serum) in Hyderabad
Globulin Test in Hyderabad
Fever Profile Test in Hyderabad
Connective Tissue Disease Profile in Hyderabad
Calcium Blood Test in Hyderabad
IHC in Hyderabad
Estriol Unconjugated (E3) Test in Hyderabad
Blood Typing in Hyderabad
Vitamin B12 Test in Hyderabad
Serum Cortisol in Hyderabad
Double Marker Test in Hyderabad
Pap Smear, Conventional in Hyderabad
Protein S Activity in Hyderabad
Non-Invasive Prenatal Testing (NIPT) in Hyderabad
whole exome sequencing in Hyderabad
Newborn Screening (NBS) in Hyderabad
Renal Function Test (RFT) in Hyderabad