New England · Crab Allergy Test – Shellfish Allergy

Crab Allergy Test – Shellfish Allergy in Massachusetts

Crab Allergy Test – Shellfish Allergy is a laboratory test you can request directly. The Crab Allergy Test checks for an allergic reaction to crab by measuring specific IgE antibodies in the blood.

Sample typeBlood draw at a collection lab

ReferralNo referral required

What this test is

This test measures the level of IgE antibodies in the blood that are specific to crab proteins. It helps identify a potential allergic reaction to crab, a type of shellfish. The presence of these antibodies suggests an immune response to crab exposure.

What it measures

Crab-specific IgE — reflects the immune system's response to crab proteins

What the test involves

The test involves a standard blood draw, where a healthcare professional collects a sample from a vein in your arm. The sample is then analyzed for specific IgE antibodies.

Why it is often ordered

Clinicians typically order this test if there are symptoms suggestive of a crab allergy, such as hives, itching, or difficulty breathing after eating crab. It helps in confirming whether crab is the trigger for these allergic reactions.

Preparation

Preparation for the test may vary, so it is important to follow the specific instructions provided by the collection lab.

How results are reported

Results indicate the level of IgE antibodies specific to crab, and whether they suggest an allergy. Reference ranges differ between laboratories, so results should be interpreted in context.

Before you go

Sample collection requirements
Turnaround time for results
Specific preparation instructions

Cities

Crab Allergy Test – Shellfish Allergy in Massachusetts communities

Choose your city for local context and to request this test.

Boston4,208,580Crab Allergy Test – Shellfish Allergy Springfield620,494Crab Allergy Test – Shellfish Allergy Worcester573,573Crab Allergy Test – Shellfish Allergy New Bedford158,353Crab Allergy Test – Shellfish Allergy Leominster118,190Crab Allergy Test – Shellfish Allergy Cambridge116,892Crab Allergy Test – Shellfish Allergy Lowell114,804Crab Allergy Test – Shellfish Allergy Brockton104,216Crab Allergy Test – Shellfish Allergy Quincy100,544Crab Allergy Test – Shellfish Allergy Lynn100,233Crab Allergy Test – Shellfish Allergy Fall River93,339Crab Allergy Test – Shellfish Allergy Newton88,647Crab Allergy Test – Shellfish Allergy Lawrence87,798Crab Allergy Test – Shellfish Allergy Somerville80,608Crab Allergy Test – Shellfish Allergy Framingham72,089Crab Allergy Test – Shellfish Allergy Haverhill67,093Crab Allergy Test – Shellfish Allergy Malden65,602Crab Allergy Test – Shellfish Allergy Waltham64,655Crab Allergy Test – Shellfish Allergy Revere60,720Crab Allergy Test – Shellfish Allergy Medford60,708Crab Allergy Test – Shellfish Allergy Taunton59,076Crab Allergy Test – Shellfish Allergy Chicopee55,636Crab Allergy Test – Shellfish Allergy Peabody54,200Crab Allergy Test – Shellfish Allergy Methuen Town52,536Crab Allergy Test – Shellfish Allergy Everett48,368Crab Allergy Test – Shellfish Allergy Attleboro46,146Crab Allergy Test – Shellfish Allergy Salem44,452Crab Allergy Test – Shellfish Allergy Pittsfield43,890Crab Allergy Test – Shellfish Allergy Beverly42,448Crab Allergy Test – Shellfish Allergy Fitchburg41,796Crab Allergy Test – Shellfish Allergy Marlborough41,505Crab Allergy Test – Shellfish Allergy Woburn40,967Crab Allergy Test – Shellfish Allergy Westfield40,922Crab Allergy Test – Shellfish Allergy Chelsea40,025Crab Allergy Test – Shellfish Allergy Holyoke38,480Crab Allergy Test – Shellfish Allergy Watertown Town35,171Crab Allergy Test – Shellfish Allergy Gloucester29,814Crab Allergy Test – Shellfish Allergy Melrose29,567Crab Allergy Test – Shellfish Allergy Northampton29,379Crab Allergy Test – Shellfish Allergy Gardner21,183Crab Allergy Test – Shellfish Allergy Newburyport18,282Crab Allergy Test – Shellfish Allergy North Adams13,024Crab Allergy Test – Shellfish Allergy South Yarmouth11,696Crab Allergy Test – Shellfish Allergy Middleborough Center7,790Crab Allergy Test – Shellfish Allergy Mansfield Center7,689Crab Allergy Test – Shellfish Allergy Whitinsville7,329Crab Allergy Test – Shellfish Allergy West Concord7,003Crab Allergy Test – Shellfish Allergy Cochituate6,966Crab Allergy Test – Shellfish Allergy East Falmouth6,739Crab Allergy Test – Shellfish Allergy Pinehurst6,653Crab Allergy Test – Shellfish Allergy West Yarmouth6,124Crab Allergy Test – Shellfish Allergy Yarmouth Port5,872Crab Allergy Test – Shellfish Allergy Bliss Corner5,529Crab Allergy Test – Shellfish Allergy North Scituate5,519Crab Allergy Test – Shellfish Allergy East Harwich5,519Crab Allergy Test – Shellfish Allergy Raynham Center5,072Crab Allergy Test – Shellfish Allergy Smith Mills4,846Crab Allergy Test – Shellfish Allergy North Westport4,835Crab Allergy Test – Shellfish Allergy The Pinehills4,724Crab Allergy Test – Shellfish Allergy Millis-Clicquot4,653Crab Allergy Test – Shellfish Allergy