Careless Weed Allergy Test
Careless Weed Allergy Test can be requested without a referral, and this overview covers what to expect. The Careless Weed Allergy Test is a blood test that checks for an allergic response to careless weed (Amaranthus palmeri), a common pollen-producing plant. It is ordered when a person has allergy symptoms such as sneezing, runny nose, or itchy eyes, especially during pollen seasons, and the cause is unclear.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
The Careless Weed Allergy Test is a blood test that checks for an allergic response to careless weed (Amaranthus palmeri), a common pollen-producing plant. It is ordered when a person has allergy symptoms such as sneezing, runny nose, or itchy eyes, especially during pollen seasons, and the cause is unclear.
What it measures
- Total IgE — Overall level of allergy-related antibodies in the blood.
- Careless weed-specific IgE — Antibodies that target careless weed pollen specifically.
- Other weed-specific IgE — Checks for reactions to similar weeds like ragweed or pigweed.
- Other allergen-specific IgE — May include common pollens, dust mites, or molds to find all triggers.
Who it is for
A primary care clinician or allergist typically orders this test for people with persistent or seasonal allergy symptoms who want to identify or confirm a specific trigger.
Preparation
No fasting or special preparation is needed. The blood sample can be drawn at any time of day.
Results and what they mean
Results are reported as a number for each specific IgE, often with a reference range or class score. A clinician interprets these results alongside your symptoms and history; a positive test alone does not always mean you have an allergy. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the careless weed allergy test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Does this test hurt?
It uses a standard blood draw from a vein in your arm, which feels like a quick pinch.
How long until I get results?
Most results are ready within 1 to 3 business days.
Can I take allergy medicine before the test?
Yes, antihistamines do not usually affect blood allergy tests, but tell your clinician about any medicines you take.
What if my result is positive?
A positive result means your body makes antibodies to careless weed. Your clinician will discuss what it means for your symptoms and care.