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hCG with Gestational Table : 19485
Test CodeHCGC or 19485
Alias/See Also
Human chorionic gonadotropin (hCG)
CPT Codes
84702
Transport Container
Specimen:
1 mL serum
Minimum Volume: 0.3 mL
1 mL serum
Minimum Volume: 0.3 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days
Methodology
Immunoassay
Setup Schedule
Sunday - Saturday
Report Available
1 day
Reference Range
Expected hCG Values
Gestational Age (mIU/mL)
<1 Week 5-50
1-2 Weeks 50-500
2-3 Weeks 100-5000
3-4 Weeks 500-10000
4-5 Weeks 1000-50000
5-6 Weeks 10000-100000
6-8 Weeks 15000-200000
2-3 Months 10000-100000
The table above provides only a very rough estimate of gestational age and should be used only in conjunction with other methods for establishing gestational age. Much more reliable and accurate estimations of gestational age may be obtained by using LMP or ultrasound.
Gestational Age (mIU/mL)
<1 Week 5-50
1-2 Weeks 50-500
2-3 Weeks 100-5000
3-4 Weeks 500-10000
4-5 Weeks 1000-50000
5-6 Weeks 10000-100000
6-8 Weeks 15000-200000
2-3 Months 10000-100000
The table above provides only a very rough estimate of gestational age and should be used only in conjunction with other methods for establishing gestational age. Much more reliable and accurate estimations of gestational age may be obtained by using LMP or ultrasound.
Clinical Significance
hCG may reach detectable limits within 7-10 days of conception. hCG is produced by the placenta and reaches a peak between the 7th and 10th week of gestation. hCG is a glycoprotein hormone produced by the syncytiotrophoblast of the placenta and secreted during normal pregnancy and with pathologic conditions such as hydatidiform mole, choriocarcinoma and testicular neoplasm. Order hCG, Total, Qualitative, Urine if hCG serum result is inconsistent with clinical presentation.
Performing Laboratory
med fusion
