Bilirubin, Direct $28.00
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This specific test, Bilirubin, Direct, includes one evaluation, focusing on a single biomarker.
Concise Overview:
The Bilirubin Direct examination is a clinical lab procedure designed to gauge the level of direct bilirubin present in the bloodstream. Originating as a result of the liver processing aged red blood cells, bilirubin manifests as a yellowish pigment. The Direct Bilirubin test constitutes a part of the comprehensive bilirubin analysis, encompassing both the direct (conjugated) and indirect (unconjugated) bilirubin.
Method of Collection:
Venipuncture
Sample Type:
Blood Serum
Pre-test Preparations:
None required
Instances and Rationale for Requesting a Bilirubin Direct Test:
Hepatic Disorders:
This test is crucial for appraising the performance of the liver. It is frequently incorporated into a series of liver function tests aiming to detect hepatic conditions like hepatitis, cirrhosis, or other liver impairments.
Jaundice Diagnosis:
Jaundice manifests through a noticeable yellowing of the skin and eyes, stemming from an accumulation of bilirubin in the bloodstream. The Bilirubin Direct test plays a vital role in pinpointing the source of jaundice, differentiating between liver-related causes and other potential factors, such as hemolytic anemia.
Treatment Monitoring:
For individuals undergoing therapeutic interventions for liver-associated issues, regular bilirubin level checks are imperative. These assessments ensure the effectiveness of the treatment and help in tracking the progression of the disease.
What the Bilirubin Direct Test Measures:
The Bilirubin Direct test precisely quantifies the amount of conjugated (direct) bilirubin present in the bloodstream. Once processed by the liver, direct bilirubin becomes water-soluble and ready for elimination through the bile and ultimately, the digestive system.
Additional Laboratory Tests Typically Requested Alongside the Bilirubin Direct Test:
To garner a fuller understanding of liver functionality and overall health, a healthcare practitioner might recommend these supplementary laboratory evaluations in conjunction with the Bilirubin Direct test:
- Total Bilirubin Assessment: This examination calculates both direct and indirect bilirubin quantities, offering a comprehensive insight into the total bilirubin content within the blood.
- Hepatic Function Panel: This set of evaluations includes vital markers like ALT, AST, alkaline phosphatase, and albumin, all of which are integral for determining the liver’s state of health and performance.
- Complete Blood Count (CBC): By analyzing diverse types of blood cells, including red and white blood cells, this test helps uncover potential root causes of abnormal bilirubin concentrations.
Specific Conditions or Illnesses Necessitating a Bilirubin Direct Test:
Hepatic Ailments:
For the identification of liver-related diseases, including hepatitis, alcoholic liver disease, or cirrhosis.
Jaundice Investigation:
To ascertain the origin of jaundice, be it liver malfunction or an increased degradation of red blood cells.
Gallbladder or Biliary Tract Complications:
To evaluate potential obstructions or blockages within the bile ducts that could impede the expulsion of bilirubin.