Specimens from patients who are undergoing biotin therapy and/or ingesting biotin supplements may contain high levels of biotin. Specimens that contain high levels of biotin may cause false low results for the CA 19-9 assay. Samples thawed more than once.
Collection Comments
Label each tube with the collection date and time. Invert tube 5-6 times to mix blood. Spin for 10 minutes at 1100-1300 g in a swing bucket unit or 15 minutes in a fixed angle. Remember to label aliquot with patient name, DOB, test and collect date. Ship spun Orange, Lt Green or Gold tube refrigerated.
CA19-9 (Carbohydrate Antigen 19-9, also called Cancer Antigen 19-9) is most frequently used as a tumor marker for patients known to have pancreatic cancer. CA 19-9 may be ordered to monitor response to treatment for pancreatic cancer or to assess the possibility of disease recurrence.
Performed
Monday - Sunday; Days, Evenings, Nights
Methodology
Chemiluminescence
Reported
2-4 hrs
Performing Lab
Chemistry
Synonyms
19-9 Cancer Ag
7082
Cancer Ag 19-9
Carbohydrate Antigen (CA) 19-9, Ser Quant
Reference Interval
0-37 Units/mL
Clinical Interpretation
Analysis performed using the Beckman Coulter chemiluminescent methodology on the Beckman Coulter DxI/Access platform. Patient results determined by assays using different methods from different manufacturers may not be comparable.
CPT Codes
86301
LOINC Codes
NAME
LOINC
Order
Carbohydrate Antigen 19-9 Ser QN
24108-3
Result
CA 19-9 Ser QN
24108-3
Test Code (Outreach Synonym)
7082
Catalog Code
685608
Collection
Collect
Blood, Orange
Preferred Draw Volume
3 mL
Minimum Draw Volume
0.2 mL
Other Acceptable Containers
Gold, Lt Green
Pediatric Collection
1 microtainer
Unacceptable Conditions
Specimens from patients who are undergoing biotin therapy and/or ingesting biotin supplements may contain high levels of biotin. Specimens that contain high levels of biotin may cause false low results for the CA 19-9 assay. Samples thawed more than once.
Collection Comments
Label each tube with the collection date and time. Invert tube 5-6 times to mix blood. Spin for 10 minutes at 1100-1300 g in a swing bucket unit or 15 minutes in a fixed angle. Remember to label aliquot with patient name, DOB, test and collect date. Ship spun Orange, Lt Green or Gold tube refrigerated.
CA19-9 (Carbohydrate Antigen 19-9, also called Cancer Antigen 19-9) is most frequently used as a tumor marker for patients known to have pancreatic cancer. CA 19-9 may be ordered to monitor response to treatment for pancreatic cancer or to assess the possibility of disease recurrence.
Performed
Monday - Sunday; Days, Evenings, Nights
Methodology
Chemiluminescence
Reported
2-4 hrs
Performing Lab
Chemistry
Synonyms
19-9 Cancer Ag
7082
Cancer Ag 19-9
Carbohydrate Antigen (CA) 19-9, Ser Quant
Result Interpretation
Reference Interval
0-37 Units/mL
Clinical Interpretation
Analysis performed using the Beckman Coulter chemiluminescent methodology on the Beckman Coulter DxI/Access platform. Patient results determined by assays using different methods from different manufacturers may not be comparable.
