B-hCG, Qualitative, Urine
The qualitative urine hCG test detects beta human chorionic gonadotrophin above a threshold concentration (typically 20–25 mIU/mL), providing a dichotomous positive/negative result. It is the standard rapid screening test for pregnancy, highly specific but unable to confirm viability, gestational age, or location;
1
Biomarkers
Urine (random)
Sample
1–2 business days
Turnaround
No
Fasting
What is the Urine hCG test?
The Beta Human Chorionic Gonadotrophin Qualitative Urine Test detects the presence of hCG in urine above a threshold concentration, providing rapid confirmation or exclusion of pregnancy. It is the workhorse screening test in primary care, urgent care, and reproductive health settings, ordered both when pregnancy is suspected and as a routine screen before prescribing teratogenic medications, scheduling procedures, or imaging with ionising radiation. Qualitative urine hCG is valued for its simplicity, speed, and high specificity. A positive result reliably indicates pregnancy in the vast majority of cases, prompting further assessment with history, examination, and where needed quantitative serum hCG or ultrasonography. A negative result makes pregnancy unlikely if the test is performed at an appropriate time relative to the missed period, though very early testing or dilute urine can yield a false negative. The test does not quantify hCG, assess viability, or localise the pregnancy, so it is a screening tool rather than a diagnostic endpoint.
What does the Urine hCG test measure?
Human chorionic gonadotrophin is a glycoprotein hormone secreted by the syncytiotrophoblast following implantation of the blastocyst. Its beta subunit is unique to hCG and confers specificity to the assay, distinguishing it from the structurally similar luteinising hormone. Serum hCG doubles approximately every 48–72 hours in early viable intrauterine pregnancy, and the hormone is filtered through the glomerulus into urine, where it can be detected by immunoassay once the concentration exceeds the assay threshold. Qualitative urine assays report a dichotomous result — positive or negative — rather than a numerical concentration.
Qualitative urine hCG is the standard rapid screening test for pregnancy in clinical settings. A positive result indicates the presence of hCG above the detection threshold and is highly specific for pregnancy in women of reproductive age, though rare false positives occur with heterophile antibodies or hCG-secreting tumours. The test becomes positive around the expected date of menses or shortly thereafter in viable intrauterine pregnancy. Because the result is qualitative it cannot confirm viability, gestational age, or location; practitioners use quantitative serum hCG and ultrasonography for those determinations.
Why is the Urine hCG test ordered?
- Confirmation of suspected pregnancy in patients presenting with amenorrhoea, nausea, breast tenderness, or other early pregnancy symptoms
- Pre-treatment screening before prescribing teratogenic medications (isotretinoin, methotrexate, anticonvulsants, or other category X drugs)
- Pre-procedure assessment before surgery, endoscopy under sedation, or diagnostic imaging involving ionising radiation
- Evaluation of first-trimester bleeding, lower abdominal pain, or other symptoms raising concern for ectopic pregnancy or miscarriage, where the result guides the decision to pursue quantitative serum hCG and ultrasonography
- Routine reproductive health screening in sexually active patients of childbearing potential presenting with menstrual irregularities
- Follow-up after pregnancy termination or treatment of ectopic pregnancy, although quantitative serum hCG is preferred for monitoring declining titres
- Investigation of secondary amenorrhoea or abnormal uterine bleeding when pregnancy must be excluded before pursuing other diagnoses
Sample collection and turnaround
Sample type
Urine (random)
Fasting required
No
Collection method
At-home collection kit
Turnaround
1–2 business days
Collection notes
Patient collects a mid-stream urine specimen in the provided sterile container. First morning void is preferred for its higher hCG concentration, though random specimens are acceptable if the patient cannot wait. The specimen should be refrigerated and returned to the laboratory promptly; prolonged storage at room temperature may degrade hCG or promote bacterial overgrowth.
Specimen requirements
Minimum 10 mL urine in a clean, sterile container. First morning void preferred. Refrigerate if transport is delayed beyond a few hours. Note the date of collection and the date of the last menstrual period on the requisition.
What can affect Urine hCG results?
The assay becomes positive only after hCG concentration exceeds the detection threshold; testing too early — before the expected period — increases the risk of a false negative in early viable pregnancy.
High fluid intake or diuretic use dilutes urine hCG concentration, potentially yielding a false negative; first morning void specimens are preferred for their higher concentration.
Rare cross-reacting antibodies (human anti-mouse antibodies or rheumatoid factor) can produce false-positive results; phantom hCG is excluded by repeating the test with serum or a different assay platform.
Gestational trophoblastic disease, choriocarcinoma, and some germ-cell tumours secrete hCG, producing a positive result in the absence of pregnancy; clinical context and quantitative serum hCG clarify the picture.
hCG persists in urine for days to weeks after early pregnancy loss or termination, so a positive result does not confirm ongoing viable pregnancy in those contexts.
Improper storage, expired kits, or procedural errors can yield invalid, false-positive, or false-negative results; any unexpected result should be confirmed with a repeat test or quantitative serum hCG.
What do Urine hCG results mean?
Elevated
A positive result (elevated above threshold) indicates the presence of hCG and is highly specific for pregnancy in women of reproductive age. Rare false positives occur with heterophile antibodies, hCG-secreting tumours, or recent pregnancy loss. A positive result should be followed by clinical assessment and, where needed, quantitative serum hCG and ultrasonography to confirm viability, gestational age, and location.
Normal
A negative result (below detection threshold) makes pregnancy unlikely if the test is performed at an appropriate time — typically at or after the expected menses. Very early testing, dilute urine, or assay error can produce a false negative, so repeat testing or quantitative serum hCG is warranted if clinical suspicion remains high.
Reduced
Not applicable; the assay is qualitative and does not report low concentrations.
Note: A qualitative result cannot confirm viability, exclude ectopic pregnancy, or determine gestational age. Serial quantitative serum hCG and ultrasonography are required for those assessments. Any discrepancy between the clinical picture and the result should prompt repeat testing or escalation to serum hCG. The assay does not distinguish between intrauterine and ectopic pregnancy.
Frequently asked questions
Qualitative urine hCG reports positive or negative based on whether hCG exceeds a threshold, offering rapid screening. Quantitative serum hCG measures a numerical concentration, enabling serial monitoring to assess viability, diagnose ectopic pregnancy, and follow declining titres after treatment.
How to access the Urine hCG test
The Urine hCG reference page is free and open to all practitioners. Create a free practitioner account to see pricing, save tests to your list, and generate requisition forms. Verification takes 1–2 business days.
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Published: October 7, 2026
Last reviewed: October 7, 2026
- ACOG Practice Bulletin No. 200: Early pregnancy loss. Obstet Gynecol. (2018)
- Kirk E, et al. The diagnostic effectiveness of an initial transvaginal scan in detecting ectopic pregnancy. Hum Reprod. (2014)
- Gnoth C, Johnson S. Strips of hope: accuracy of home pregnancy tests and new developments. Geburtshilfe Frauenheilkd. (2014)
- Cole LA. Biological functions of hCG and hCG-related molecules. Reprod Biol Endocrinol. (2010)
- NICE guideline [NG126]: Ectopic pregnancy and miscarriage — diagnosis and initial management. (2019)
This content is for licensed healthcare practitioners only and does not constitute medical advice. Clinical decisions should be based on the full clinical picture and not on any single test result.