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Test Code AFP Alpha Fetoprotein (Tumor)

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

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.

Interferences

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.

Marshfield Labs Performing Department

Marshfield Labs Chemistry

Performing 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

CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
82105        

Outreach CPT Codes

CPT Modifier
(if needed)		 Quantity Description Comments
82105        

Ordering Applications

Ordering Application Description
Cerner AFP Tumor Marker (AFP)