ModernDoc Journal
Tests
Plain-language guides to medical tests, results, preparation, and limitations.
Released guides
- diagnostic_guideAugust 18, 2026Automated gates passed · clinician review pending
Thyroglobulin Antibody: What Your Results Mean
A thyroglobulin antibody test is a blood test. It looks for antibodies against a protein called thyroglobulin[1,3]. These antibodies are often called TgAb.
- diagnostic_guideAugust 16, 2026Automated gates passed · clinician review pending
D-Dimer Test: What It Means and Your Results
A D-dimer blood test measures a fragment released when the body breaks down a blood clot [5]. It helps assess possible deep vein thrombosis and pulmonary embolism [1,5].
- diagnostic_guideAugust 16, 2026Automated gates passed · clinician review pending
High Vitamin B12: Symptoms, Causes, and Care
A high B12 blood level can cause worry. However, the result does not always mean harmful vitamin exposure. Vitamin B12 is water-soluble. The body usually removes excess amounts through urine [1].
- diagnostic_guideAugust 16, 2026Automated gates passed · clinician review pending
Macrocytosis: Causes and Understanding Your Results
Macrocytosis means red blood cells are larger than expected on a complete blood count, or CBC [2,3]. It is a lab finding, not a disease by itself [4,10].
- diagnostic_guideAugust 16, 2026Automated gates passed · clinician review pending
Occult Blood in Urine: Meaning, Causes and Care
Occult blood in urine means a urine test found blood that was not visible [1,5]. Clinicians call this finding microscopic hematuria, or microhematuria [5,6].
- diagnostic_guideAugust 14, 2026Automated gates passed · clinician review pending
CBC Blood Test: Measures and Results Explained
A complete blood count, or CBC, is one of the most common blood tests [2,3]. It measures the number and features of several blood cells [1,4].
- diagnostic_guideAugust 13, 2026Automated gates passed · clinician review pending
A/G Ratio: What It Means and How to Read Results
The albumin/globulin ratio compares two main groups of blood proteins: albumin and globulins [3]. It is often called the A/G ratio.
- diagnostic_guideAugust 13, 2026Automated gates passed · clinician review pending
Anisocytosis: What It Means for Your Blood Test
Seeing the word “anisocytosis” on a blood test can be confusing. It means red blood cells differ in size more than expected[7,9]. It is a lab finding, not a disease by itself[7,10].
- diagnostic_guideAugust 13, 2026Automated gates passed · clinician review pending
Urine Specific Gravity: Understanding Your Results
Urine specific gravity is one part of a urine test called a urinalysis. A urinalysis checks the look, strength, and contents of urine [2,8].