AFP Tumor Marker Serum 237

Test Code

Alias/See Also

CPT Codes

Preferred Specimen
1 mL serum

Minimum Volume

Test is for tumor marker. Draw one SST and send specimen refrigerated.

Transport Container

Transport Temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly lipemic

Immunoassay (IA)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Tues-Sat; Report available: 2-3 days

Patients who have received monoclonal mouse antibodies may have abnormal results. For any patient taking a high dose of biotin, the specimen should be drawn at least eight hours after the last dose.

Reference Range
  Male (ng/mL) Female (ng/mL)
<1 Month* 0.5-16387.0 0.5-18964.0
1-11 Months 0.5-28.3 0.5-77.0
1-3 Years 0.5-7.9 0.5-11.1
>3 Years <6.1 <6.1
*Pediatric range is based on full term neonates, values for premature infants may be higher.
The use of AFP as a tumor marker in pregnant females is not recommended.

Clinical Significance

Elevation of serum AFP above values found in healthy individuals occurs in several malignant diseases, most notably nonseminomatous testicular cancer and primary hepatocellular carcinoma. AFP is not recommended as a screening procedure to detect cancer in the general population.

Performing Laboratory
Quest Diagnostics Nichols Institute San Juan Capistrano
33608 Ortega Hwy
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.