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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.

Ref. Range (Male)<5
Ref. Range (Female)<5
Ref. Range (Paed)
Ref. Range Notes<5 U/L (males and non pregnant females)

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. Last edited on 06/11/2015 09:23:33. Published By DAN CARLESS on 06/11/2014 09:23:33.