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HCG, SERUM, QUANT
MessageChemistry
Test Code
LAB143
Alias/See Also
Beta-HCG, Chorionic Gonadotropin-Beta Subunit
CPT Codes
84702
Includes
Quantitative Pregnancy
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 700 uL (TWO full red-top microtainers or one full light green-top microtainer).
Serum/plasma: 400 uL
Serum/plasma: 400 uL
Other Acceptable Specimens
Red Top and light green top (lithium heparin plasma)
Instructions
NOTE: If an HCG level is inconsistent with, or unsupported by, clinical evidence, results should be confirmed by an alternative HCG method. This method may include the qualitative HCG testing of urine. Pregnancy ONLY. For tumor marker (males and females) see B-HCG Quant Tumor Marker performed at Mayo
Specimen Stability
Ambient: up to 2 hours
Refrigerated: 5 days
Frozen: 4 weeks
Avoid repeated freeze-thaw cycles.
Refrigerated: 5 days
Frozen: 4 weeks
Avoid repeated freeze-thaw cycles.
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
Negative (or very early gestation): 0 to 22 mIU/mL
Borderline: 22 to 25 mIU/mL
Positives: greater than 25 mIU/mL
Borderline: 22 to 25 mIU/mL
Positives: greater than 25 mIU/mL
Performing Laboratory
Hoag Newport/ Hoag Irvine
