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Test Code: AFP Preferred Name Alpha-fetoprotein

Yes
2 hours
Weekdays Only
6 hours (weekdays)
Medicare Item
N/A

Test Tubes

ImageSpecimen TypeSpecimen VolumeTube Type
Blood (adult)4 mLSST with gel 8.5 mL (Dark Yellow Top)
Blood (paediatric)1 mL2x SST with gel 600 uL Paed (Red or Yellow top)
Blood (neonatal)1 mL2x SST with gel 600 uL Paed (Red or Yellow top)

COLLECTION NOTES

--No collection notes--

GENERAL NOTES

If pregnant, item 66743 applies ($20.10 Public Price)

APPLICATION:  Detection and monitoring of hepatocellular and germ cell tumours, particularly for recurrence after treatment.
Assessment of risk for neural tube and other defects in utero, including Downs syndrome (one of the components of the "triple test").

INTERPRETATION:  Hepatocellular carcinoma is usually associated with very high levels of AFP, but a normal level does not exclude the diagnosis of this, or of germ cell tumour.
Moderate increases may occur with non-malignant disease associated with liver cell regeneration.  Increased levels have high sensitivity and low specificity for fetal abnormalities.  Low maternal levels are associated with Downs syndrome pregnancies; results must be interpreted in conjunction with other tests.  Consult a Chemical Pathologist.


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