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22209 Alpha Fetoprotein (Tumor)

Alpha Fetoprotein (Tumor)
Test Code: AFP
Synonyms/Keywords
​AFP, Alpha-1-Fetoprotein
Specimen Requirements
 
 
 
 
 
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Serum​Serum Separator Tube (SST)​Red Top Tube (RTT)​0.5 mL​0.3 mL​0.250 mL​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ Ambient​ 8 hours​
Refrigerate​ 7 days​
Frozen​ >7 days​
Rejection Criteria
Gross hemolysis
Gross icterus​
Interference
​Blood should not be drawn for two days following fluorescein angiography (for diabetic retinopathy) as fluorescein will interfere.
Performing Laboratory Information
 
 
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​Less than 2 hours​Two-site Immunoenzymatic Assay/Beckman Coulter DXI
Test Information
​Alpha Fetoprotein (AFP) assay is offered as a tumor marker only. It is not to be used for maternal serum.
Human anti-murine antibodies (HAMA) may develop in patients receiving anti-murine chemotherapy or tumor-imaging agents that will interfere with this test. CSF should not be tested by this method - send to Mayo Medical Laboratories. Specimen should be frozen.
Reference Range Information
Performing Location Reference Range
Marshfield​ 0 - 9.0 ng/mL
For patients less than 1 year of age, normals are based on 'days old' and will be added as a comment to patient report. ​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82105 ​ ​ ​ ​ ​
Synonyms/Keywords
​AFP, Alpha-1-Fetoprotein
Ordering Applications
Ordering Application Description
​Centricity

​Alpha-Fetoprotein

and

AFP (Alpha-fetoprotein) Tumor Marker

​Cerner ​AFP Tumor Marker (AFP)
​COM ​AFP - Tumor Marker
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
 
 
 
 
 
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Serum​Serum Separator Tube (SST)​Red Top Tube (RTT)​0.5 mL​0.3 mL​0.250 mL​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ Ambient​ 8 hours​
Refrigerate​ 7 days​
Frozen​ >7 days​
Rejection Criteria
Gross hemolysis
Gross icterus​
Interference
​Blood should not be drawn for two days following fluorescein angiography (for diabetic retinopathy) as fluorescein will interfere.
Reference Range Information
Performing Location Reference Range
Marshfield​ 0 - 9.0 ng/mL
For patients less than 1 year of age, normals are based on 'days old' and will be added as a comment to patient report. ​
For more information visit:
Performing Laboratory Information
 
 
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​Less than 2 hours​Two-site Immunoenzymatic Assay/Beckman Coulter DXI
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82105 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.