HB, TLC, and DLC are components of a blood test commonly included in a Hemogram :

1. HB (Hemoglobin) : Measures the amount of hemoglobin in the blood, which is essential for carrying oxygen to tissues. Low levels may indicate anemia, while high levels could suggest dehydration or other health issues.

2. TLC (Total Leukocyte Count) : Measures the total number of white blood cells (WBCs) in the blood. An elevated TLC may indicate infection, inflammation, or leukemia, while a low TLC can signal conditions like immunodeficiency or bone marrow disorders.

3. DLC (Differential Leukocyte Count) : Breaks down the total WBC count into different types of white blood cells (e.g., neutrophils, lymphocytes, monocytes, eosinophils, and basophils). The relative proportions of each type help diagnose infections, allergies, or blood disorders.

These tests together help assess overall health, diagnose infections, anemia, and immune system conditions.