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Test Code SQ HCGQNT, EPIC LAB143 hCG (Human Chorionic Gonadotropin) Intact and Beta-Subunit, Quantitative

Important Note

NEW INTERFERENCE CLAIM:

Patients receiving therapy with high biotin doses (i.e. > 5 mg/day), could cause a +/- 10% change in their test results. It is recommended by Roche that samples should not be drawn until at least 8 hours following the last biotin administration.

Methodology

Electrochemiluminescence

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Specimen Type: Lithium Heparin Plasma

Container/Tube: Lithium Heparin Gel Tube (PST)

Specimen Volume: 1 mL

Collection Instructions: Avoid hemolysis and lipemia.

 

Alternate Specimen Type: Serum

Specimen Transport Temperature

Refrigerated ≤ 3 days/Frozen OK

Reference Values

Males: <2.6 mIU/mL

Pre-menopausal non-pregnant females: ≤5.3 mIU/mL

Post-menopausal non-pregnant females: ≤8.3 mIU/mL

Pregnant Females:

Weeks of  Gestation Ranges
3 5.8-71.2 mIU/mL 
4 9.5-750 mIU/mL
5 217-7,138 mIU/mL
6 158-31,795 mIU/mL
7 3,700-164,000 mIU/mL
8 32,100-150,000 mIU/mL
9 64,000-152,000 mIU/mL
10 47,000-187,000 mIU/mL
12 28,000-211,000 mIU/mL
14 14,000-63,000 mIU/mL
15 12,000-71,000 mIU/mL
16 9,000-57,000 mIU/mL
17 8,200-56,000 mIU/mL
18 8,100-58,000 mIU/mL

Note: Post-menopausal at Meriter Laboratories is arbitrarily defined as a 55 year old female.

 

Detection of very low levels of hCG does not exclude pregnancy. A further specimen should be tested after 48 hours if pregnancy is suspected.

Day(s) Test Set Up

Monday through Sunday

Analytical Time

Stat:

1 hour

Routine:

4 hours

Test Classification and CPT Coding

84702

Specimen Requirements Additional Information

Specimen Stability: Plasma is stable refrigerated (2° C-8° C) for 3 days or frozen (≤-20° C) for 12 months. Freeze only once.