Beaumont Laboratory - Lab Test Details

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Beaumont Laboratory

HCG Qualitative, Pregnancy Urine

Human chorionic gonadotropin, Beta Subunit Human Chorionic Gonadotropin, Urine, hCG Slide Test, Urine hCG Pregnancy Test (Qualitative), Antrim #17278, EPIC: LAB5068, SOFT: HCGU2

Specimen Collection Criteria

Collect: 10 mL random urine specimen in a screw-capped container (preferred) or other sterile collection container. A fairly concentrated (first morning void) specimen is preferred as it generally contains the highest concentration of hCG. (Min: 1.0 mL)

Physician Office/Drawsite Specimen Preparation

Refrigerate (2-8°C or 36-46°F) specimen immediately after collection and maintain refrigerated until transport.

Preparation for Courier Transport

Transport: Urine specimen, refrigerated (2-8°C or 36-46°F). (Min: 1.0 mL)

Rejection Criteria

  • Grossly bloody specimens may require recollection.


Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 2 hours
Refrigerated (2-8°C or 36-46°F): 48 hours
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Refrigerated (2-8°C or 36-46°F): 7 days


Farmington Hills Hematology/Coagulation Laboratory.
Grosse Pointe Hematology/Urinalysis Laboratory.
Royal Oak Urinalysis Laboratory (for routine specimens) or STAT Laboratory (for STAT specimens).
Troy Hematology/Urinalysis Laboratory.


Sunday - Saturday, 24 hours a day. 
STAT results available within 1 hour of receipt in the Laboratory.
Routine results available within 4 hours.  

Reference Range


Test Methodology

Chromatographic Immunoassay.


Elevated hCG concentrations in urine, unrelated to pregnancy, may occur in patients with choriocarcinoma, hydatidiform mole and some nontrophoblastic malignancies including testicular, prostatic, breast, and lung carcinomas.

A single negative pregnancy test cannot absolutely rule out pregnancy. After ovulation and conception, the embryo moves through the fallopian tube and implants into the endometrium. Ovulation usually, but not always, occurs at the end of the second week (day 14) of the menstrual cycle and implantation occurs approximately one week later (day 21).  hCG is not detected in maternal blood until after implantation. Therefore, conception may precede detection of hCG by as much as 1 week, assuming a regular 28 day menstrual cycle:

Using a qualitative urine hCG assay (sensitivity 20.0 mIU/mL) the lab can diagnose 100% of pregnant patients by day 24-32.

Therefore, a negative hCG result within the 7 day window between ovulation and implantation would not rule out pregnancy.

Clinical Utility

This assay aids in the diagnosis of pregnancy.

CPT Code


Test Codes

Antrim #17278, EPIC: LAB5068, SOFT: HCGU2

Last Updated


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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.