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AFPSF-M
ALPHA-FETOPROTEIN (AFP), SPINAL FLUID

Test Code AFPSF-M 
Test ALPHA-FETOPROTEIN (AFP), SPINAL FLUID 
Methodology Two-site Immunoassay (Sandwich) Assay 
Description Useful as an adjunct in the diagnosis of CNS germinomas and meningeal carcinomas. Also used in the evaluation of germ-cell tumors, including testicular cancer metastatic to the CNS in conjunction with beta-HCG measurement. Useful as an adjunct in distinguishing between suprasellar dysgerminomas and craniopharyngiomas, and as a supplement to cerebrospinal fluid cytologic analysis. 
Specimen 0.5 mL (minimum: 0.3 mL) of spinal fluid. Send specimen FROZEN in plastic vial on dry ice. 
Reference Values < 1.5 ng/mL
Reference range for newborns is not available. For serum ranges, see literature references: Ped Res 15:50 - 52, 1981 
Analytic Time 1 Day 
Day(s) Test Set Up Monday through Sunday 
CPT Code(s) 86316