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Laboratory tests Indications and Significance

December 29, 2022Chemical pathologyLab Tests

Table of Contents

  • Laboratory tests Indications:
    • Significance of lab tests:
laboratory tests indications

laboratory tests indications

Laboratory tests Indications:

There are the following indications and significance for ordering any lab test are:

  1. To confirm the diagnosis of the disease.
    1. Some of these tests are confirmatory, and some suggest that disease. Confirmatory tests like Bone marrow examination for typing of leukemia.
    2. Hemoglobin to diagnose anemia. Thyroid function tests for diagnosis of hypo or hyperthyroidism. Widal test to diagnose enteric fever.
  2. To help in the differential diagnosis:
    1. Lab tests help diagnose diseases like TLC for acute appendicitis or other reasons. LFT to find the type of jaundice.
  3. To know the prognosis:
    1. Lab tests help to know the progress of the disease like ESR in the case of Tuberculosis. Tumor markers in the treatment of cancers.
  4. To monitor the treatment:
    1. Lab tests help in the effectiveness of the treatment, like chemotherapy in ovarian cancers or Renal function tests in renal disease. INR in anticoagulant therapy.
  5. As screening tests:
    1. Lab tests are done as panels for the diagnosis of disease in a community, e.g., Screening in the blood bank of donors.
laboratory tests indications: various lab tests for the diagnosis of the diseases

laboratory tests indications: various lab tests for the diagnosis of the diseases

  1. To evaluate the functions of various organs:
    1. These tests are advised to evaluate the functions of various organs like BUN for kidney function.
    2. Thyroid function tests evaluate the function of the thyroid gland.

Significance of lab tests:

The lab tests significance is:

  1. To diagnose the disease.
  2. To monitor the diseases.
  3. For the differential diagnosis of various diseases.

Possible References Used
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