Test directory: HCG, Quantitative, Pregnancy

Ordering Code 468P
Test Name HCG, Quantitative, Pregnancy
Alias Beta HCG
Quant HCG
Quantitative Human Chorionic Gonadotropin
Pregnancy HCG
Preferred Specimen Serum
Preferred Container SST (Gold)
Other Specimen/Container Serum in Plain (Red), Plasma in Lithium Heparin (Green-PST),
Plasma in Lithium Heparin (Dark Green-PP No Gel)
Optimum Volume 0.5 mL
Handling Instructions All specimen types must be centrifuged within 2 hours of collection. If no gel separation present in tube and testing is delayed, plasma/serum is aliquoted from cells within 2 hours of collection
Keep tubes stoppered at all times.
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: 8 Hours
Refrigerated: 2 Days
Frozen: 6 Months (Aliquot)
Frozen samples should be thawed only once
DO NOT use frost-free freezers.
Rejection Criteria Insufficient quantity, Specimen older than stability limits,
Wrong specimen type, Grossly hemolyzed
Avail. Stat YES
Analytic Time 1 Day
Methodology Chemiluminescent Immunoassay - Two-step Sandwich

Reference range(s)

Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
HCG, Quantitative, Pregnancy ALL mIU/mL

Reference ...

Reference Values:
         Approx. Gestational Age        Approx. HCG Range (mIU/mL)
         -----------------------        --------------------------
              Non-Pregnant                       < 5
           Gestation Week:
              3rd Week                           6 - 71
              4th Week                           9 - 750
              5th Week                         217 - 7138
              6th Week                         158 - 31795
              7th Week                        3697 - 163563
              8th Week                       32065 - 149571
              9th Week                       63803 - 151410
             10th Week                       46509 - 186977
             12th Week                       27832 - 210612
             14th Week                       13950 - 62530
             15th Week                       12039 - 70971
             16th Week                        9040 - 56451
             17th Week                        8175 - 55868
             18th Week                        8099 - 58176
 
The above hCG ranges during normal pregnancy are obtained
from literature.
 ^ 
   hCG immunoassays may be affected by heterophile
   antibodies, causing false positive results.
   Correlation of the hCG result with the patient's
   clinical condition is recommended.

See report.