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Test ID AFPSF Alpha-Fetoprotein (AFP), Spinal Fluid

Useful For

An adjunct in the diagnosis of central nervous system (CNS) germinomas and meningeal carcinomatosis

 

Evaluating the presence of germ-cell tumors in the CNS, in conjunction with cerebrospinal fluid (CSF) beta-human chorionic gonadotropin measurement

 

A supplement to CSF cytologic analysis

Method Name

Immunoenzymatic Assay

Reporting Name

Alpha-Fetoprotein, CSF

Specimen Type

CSF


Specimen Required


Container/Tube: Sterile vial

Preferred: Vial number 1

Acceptable: Any vial

Specimen Volume: 1 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
CSF Frozen (preferred) 7 days
  Refrigerated  7 days

Reference Values

<1.5 ng/mL

Values for alpha-fetoprotein in cerebrospinal fluid have not been formally established for newborns and infants. The available literature indicates that by 2 months of age, levels comparable to adults should be reached.(Ann Clin Biochem 2005;42:24-29)

Day(s) Performed

Monday through Saturday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86316

LOINC Code Information

Test ID Test Order Name Order LOINC Value
AFPSF Alpha-Fetoprotein, CSF 1833-3

 

Result ID Test Result Name Result LOINC Value
AFSF Alpha-Fetoprotein, CSF 1833-3

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

Report Available

1 to 3 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.