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hCG, Total, Quantitative

Test Code

8396

CPT Code(s)

84702

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.3 mL

Transport Container

Serum Separator Tube (SST®)

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Methodology

Immunoassay

Performing Laboratory

Quest Diagnostics-Seattle
1737 Airport Way S Suite 200
Seattle, WA 98134-1636

Setup Schedule

Set up: Tues-Sat (Night shift); Report available: 3 days

Limitations

Heterophilic antibodies may produce low false-positive results; urinary hCG is negative if "phantom" hCG is suspected. Pituitary secretion may be a source of low level hCG in post menopausal women

Reference Range(s)

Male <5 mIU/mL 
Female  
  Non-pregnant or Premenopausal <5   mIU/mL 
  Postmenopausal <10 mIU/mL

Values from different assay methods may vary. The use of this assay to monitor or to diagnose patients with cancer or any condition unrelated to pregnancy has not been cleared or approved by the FDA or the manufacturer of the assay.

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.

Alternative Name(s)

Human Chorionic Gonadotropin, Chorionic Gonadotropin

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result
Code
Result NameLOINC CodeComponent Name
55069600HCG, TOTAL, QN21198-7Choriogonadotropin.beta subunit

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.