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ID:99 Human Chorionic Gonadotropin (hCG)
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DescriptionOnly available as a tumour marker, not as a pregnancy test. Assay measures total hCG. Assay not available to A/E unless seen by Gyn SpR.
IndicationGonadal, extragonadal germ cell tumour marker. Also used for ? Ectopic pregnancy/threatened abortion/ ? hydatidiform mole/choriocarcinoma.
Additional InfoIn germ cell tumours the presence of trophoblastic tissue significantly increases levels. Also, measurement of AFP increases sensitivity of tumour detection. PLEASE NOTE: TEST CAN ONLY BE ADDED TO A SAMPLE WITHIN 8 HOURS OF COLLECTION
Concurrent Testsna
Dietary Requirementsna
InterpretationElevated in 75% teratomas and 30% seminomas. In threatened abortion and ectopic pregnancy comparably lower levels are found for the stage of pregnancy. In ectopic pregnancy levels fail to double in 48 hrs.

DepartmentBiochemistry
SampleBlood
TubeSerum Gel
Tube Picture
Collection ConditionsNo restrictions.
Min. Vol2 mL
Freq.Daily

Ref. Range (Male)<5
Ref. Range (Female)<5
Ref. Range (Paed)
Ref. Range Notes<5 U/L (males and non pregnant females)
Unitsu/L
IP Acute TAT- Contact Laboratory
IP Routine TAT2 days
GP Acute TAT- Contact Laboratory
GP Routine TAT- Contact Laboratory
Turnround CommentNA

Originally edited by : JHB. Review due on 06/11/2015 09:23:33. Published By DAN CARLESS on 06/11/2014 09:23:33.