Are there any reliable tests for celiac disease that can be performed while on a gluten free diet?

Genetic test. The only testing that can be done on a gluten free diet is the genetic test. People with particular hla types are at higher risk for celiac disease. Screening for risk can be done on a gluten free diet, however, with a risk result, celiac cannot be diagnosed without the positive biopsy or positive antibody test. However, then your doctor could decide if further testing with gluten diet indicate.
No. Not yet. The anti-bodies we use to check for celiac as well as biopsies will be normal if the patient is on a gluten free diet. Genetic analysis will only tell your risk (may be able to extensively rule out) but not able to diagnose you.

Related Questions

Is it okay to be already on a gluten free diet when you go for blood work to test for celiac disease?

Celiac disease. A skin biopsy and direct immunofluorescence test of the skin are performed in most cases. Your doctor may also recommend a biopsy of the intestines. Read more...
Yes and no. Being on a strict gluten free diet may make serologies for celiac disease falsely negative. If possible, eating gluten for a week or so prior is better. Read more...

I have celiac disease. Apart from following a strict gluten free diet, what other precautions and regular tests should I be taking?

Stop gluten; then... Celiac patients have a higher chance of getting type 1 diabetes, thyroid diseases, and other autoimmune disorders. People with celiac disease have a higher chance of gastrointestinal conditions such as colitis, inflammatory bowel disease, functional bowel disorders, reduced gut motility, or delayed stomach emptying. A nutritionist / dietician can review one's diet to make sure it's well-balanced. Read more...
A few... Bone density testing is recommended. Nutrient level like iron, B12 and Vitamin D may be checked. Certain vaccines are indicated compared to normal population (specifically pneumococcal). Your GI doctor should discuss need for endoscopy as well. Read more...

What other methods is there of diagnosing celiac disease besides the blood test/gluten free diet/endoscopy? I can't afford endoscopy or the blood test

Don't eat bread. If you think you have celiac disease and yet you don't want to have a diagnostic workup the answer is quite simple avoid all gluten containing products such as flour bread products there are many gluten-free alternatives in all the markets just do that and don't cheat on it. Read more...

Can not going on a gluten free diet when you have celiac disease cause any other health problems?

Yes. The problem is malabsorption of food and essential vitamins which can lead to many other complications (neurologic, hematologic, bone etc )and even death. The only treatment is avoidance at this time. The problem with a gluten free diet is that gluten free products often contain more sugar and fat to keep the consistency moist. Read more...

I have celiac disease and am on a gluten free diet, but all of a sudden I have almost no appetite. Is this normal for people with celiac?

Possibly but. it may also be possible that the limited choice of food makes eating unappetizing to you. Loss of appetite has many causes including depression. Be sure that your diet is nutritionally sound and enlist the help of a dietitian if necessary. Read more...