Perennial Rye Grass Allergy Test
This page explains the perennial rye grass allergy test, what it measures, and how to arrange it. The perennial rye grass allergy test is a blood test that checks for an allergic response to perennial rye grass pollen. It is ordered when a person has ongoing or seasonal allergy symptoms and the cause is unclear.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
The perennial rye grass allergy test is a blood test that checks for an allergic response to perennial rye grass pollen. It is ordered when a person has ongoing or seasonal allergy symptoms and the cause is unclear.
What it measures
- Specific IgE to perennial rye grass — Measures the antibody your immune system makes in response to this grass pollen.
- Total IgE — Sometimes measured to give a general sense of allergic activity, though it is not specific to rye grass.
- IgE antibody level — Reported as a number that helps estimate the likelihood and strength of allergy.
Who it is for
A primary care clinician or allergist typically orders this test for someone with sneezing, runny nose, itchy eyes, or asthma symptoms that may be linked to grass pollen.
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 usually reported as a number or class for perennial rye grass IgE, along with a reference range. A clinician interprets the result together with your symptoms and history. This is general information, not medical advice; discuss your results with a qualified healthcare professional.
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 perennial rye grass 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
Do I need to stop my allergy medication before this test?
Antihistamines generally do not affect IgE blood tests, but tell your clinician about all medicines you take.
How long does it take to get results?
Most results are available within 1 to 3 business days.
Can this test tell me if I outgrew a grass allergy?
It can show whether IgE levels have changed over time, but symptoms and a clinician's evaluation are needed to interpret that.
Is this test painful?
It uses a standard blood draw, which feels like a brief pinch. No grass is placed on your skin.