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Tag: iron deficiency anemia

August 27, 2026

High A1C Levels Without Diabetes: Is It Possible

A high A1C can reflect true dysglycemia, red-blood-cell changes, or an assay interference. The right next step is confirmation—not assuming that you do or do not have diabetes.

It is possible to have a high A1C without an established diabetes diagnosis. An A1C of 5.7% to 6.4% is in the prediabetes range. An A1C of 6.5% or higher meets a diabetes diagnostic threshold, […]

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August 26, 2026

Iron Deficiency Anemia: Why Ferritin, Transferrin Saturation, CBC, and the Source of Iron Loss Must Be Read Together

How to confirm both iron deficiency and anemia, identify blood loss or malabsorption, and document recovery of hemoglobin and iron stores.

Iron deficiency anemia is not simply a low hemoglobin result, a low serum iron result, or a reason to take an iron supplement indefinitely. The diagnosis contains two connected findings: iron deficiency and anemia. The […]

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August 11, 2026

CBC and Anemia Blood Tests: Hemoglobin, MCV, Iron, Ferritin, Vitamin B12, and Folate

How CBC components, iron studies, ferritin, reticulocytes, vitamin B12, folate, white cells, and platelets work together to clarify anemia and blood-cell patterns.

CBC and anemia blood tests evaluate the number, size, and distribution of blood cells and help organize common anemia and blood-cell patterns.1 A complete blood count with differential and platelets measures red cells, hemoglobin, hematocrit, […]

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August 11, 2026

Digestive Health Lab Tests: Blood, Stool, Celiac, Inflammation, and Pancreatic Testing

Compare blood, stool, breath, celiac, inflammation, infection, malabsorption, and pancreatic tests—and learn when imaging, endoscopy, or biopsy may still be needed.

Digestive health lab tests use blood, stool, and sometimes breath samples to look for objective clues related to anemia, dehydration, inflammation, infection, celiac disease, nutrient malabsorption, pancreatic enzyme problems, hidden blood in stool, and selected […]

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August 7, 2026

Celiac Disease Testing: Why Test Before Going Gluten-Free

How celiac serology, total IgA, biopsy, and genetic testing fit together—and why going gluten-free too soon can hide evidence needed for an accurate diagnosis.

Celiac disease testing is most reliable before a person starts a gluten-free diet. Celiac blood tests look for immune antibodies produced in response to gluten, and an intestinal biopsy looks for gluten-related injury. When gluten […]

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July 17, 2026

Inflammatory Bowel Disease Testing: Finding Crohn’s and Ulcerative Colitis Clues Beyond Digestive Symptoms

How blood and stool testing can uncover intestinal inflammation, anemia, nutrient deficiencies, and treatment-safety concerns in Crohn’s disease and ulcerative colitis.

Inflammatory bowel disease, or IBD, is a group of chronic inflammatory conditions that includes Crohn’s disease and ulcerative colitis. Although diarrhea, abdominal pain, rectal bleeding, and bowel urgency are well-known warning signs, intestinal inflammation can […]

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July 12, 2026

Assessing Nutrient Absorption in Digestive Disorders with Key Blood Tests

How blood tests reveal iron, vitamin B12, folate, vitamin D, and mineral deficiencies associated with digestive malabsorption.

Digestive symptoms do not always remain limited to the stomach or intestines. When a digestive disorder interferes with the breakdown or absorption of food, the effects may appear throughout the body as fatigue, anemia, brain […]

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