Mid-Atlantic · Catfish Allergy Test – Fish Allergy
Catfish Allergy Test – Fish Allergy in Delaware
This page explains the catfish allergy test – fish allergy, what it measures, and how to order it. A catfish allergy test uses a blood sample to check for IgE antibodies that may indicate an allergy to catfish. It is one of several tests a clinician may use when evaluating a possible fish allergy.
Lab requirements in Delaware
Here is what you need before ordering and completing the Catfish Allergy Test – Fish Allergy in DE. Review each item and confirm the details with the collection lab.
- Physician's order
- Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
- Fasting
- Fasting is required for this test — follow the collection lab's instructions.
- Preparation
- Preparation is generally minimal, but specific instructions can vary by laboratory. Follow the collection lab's instructions about medications, fasting, or timing before the draw.
- Sample & visit
- A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
- Identification
- Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
- Turnaround
- 1-3 business days
- Availability
- Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.
Before you go
- Order your test before visiting a lab, then use the requisition form in your account.
- Print the requisition form, or fax it to the lab directly from your account.
- No scheduling is needed — visit the collection lab during its normal business hours.
- A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
- Bring a government-issued photo ID in case the lab requests it.
- Results are posted to your secure account within 1–3 business days.
Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.
What this test is
This test measures the amount of allergen-specific IgE in the blood that reacts to catfish proteins. IgE is an antibody the immune system can produce in response to allergens, and its presence may support a diagnosis of catfish allergy when considered with a person's history and other findings. It is not used alone to diagnose an allergy.
What it measures
- Catfish-specific IgE — Reflects the amount of IgE antibody in the blood that binds to catfish proteins
- Total IgE (if included) — Reflects overall IgE level, which can be elevated in allergic conditions but is not specific to catfish
- Other fish-specific IgE (if a panel is ordered) — Reflects sensitization to other fish species that may be relevant to dietary choices
What the test involves
A healthcare professional collects a small blood sample, usually from a vein in the arm, using a standard blood draw. The sample is then sent to a laboratory for analysis.
Why it is often ordered
A clinician may order this test when a person reports symptoms after eating catfish or other fish, such as hives, swelling, stomach upset, or breathing changes. It can also be used to help monitor known fish allergy over time, though it is interpreted alongside symptoms and other tests.
Preparation
Preparation is generally minimal, but specific instructions can vary by laboratory. Follow the collection lab's instructions about medications, fasting, or timing before the draw.
How results are reported
Results are reported as a numerical level of catfish-specific IgE, often with a qualitative interpretation such as negative, low, or elevated. Reference ranges and reporting formats differ by laboratory, so results should be interpreted in the context of the lab's own ranges and the person's clinical history.
Before you go
- Whether any medications or foods should be avoided before the blood draw
- How and when results will be shared with you and your clinician
- Whether a panel of other fish allergens will be included in the same sample
Cities
Catfish Allergy Test – Fish Allergy in Delaware communities
Choose your city for local context and to order this test.