Bilirubin (Total & Direct) Test in Kolkata | Home Collection & NABL-Certified Results

Apollo Diagnostics | NABL-Certified Lab | Home Collection Available | Light-Protected Sample Handling

What is a Bilirubin (Total & Direct) Test?

The Bilirubin (Total & Direct) test measures the levels of bilirubin — a yellowish pigment produced during the normal breakdown of old red blood cells. Your liver processes this pigment and excretes it through bile into the digestive system. A Bilirubin test is a primary diagnostic tool for checking liver function and identifying the cause of jaundice (yellowing of the skin and eyes). By measuring both Total and Direct (conjugated) bilirubin, doctors can determine whether a problem lies within the liver cells themselves or in the bile ducts that carry bile out of the liver.

⚠ Important: Fasting for 4–8 hours before the test is recommended as certain foods can temporarily affect bilirubin levels. Since bilirubin is highly sensitive to light, our phlebotomists use light-protected sample handling immediately after collection to prevent degradation and ensure accurate results.

Understanding Total, Direct and Indirect Bilirubin

Bilirubin exists in different forms and their pattern provides critical clinical information:

• Total Bilirubin — the sum of all bilirubin in your blood (Direct + Indirect). Elevated total bilirubin indicates liver disease, bile duct obstruction or excessive red blood cell breakdown.
• Direct (Conjugated) Bilirubin — bilirubin that has been processed by the liver and made water-soluble for excretion. High Direct bilirubin specifically suggests bile duct obstruction, gallstones or liver cell disease (hepatitis, cirrhosis).
• Indirect (Unconjugated) Bilirubin — calculated by subtracting Direct from Total. High Indirect bilirubin suggests pre-hepatic causes like haemolytic anaemia, sickle cell disease or Gilbert's syndrome — conditions where red cells are breaking down faster than the liver can process.

Normal Bilirubin Reference Ranges

Parameter	Normal Range
Total Bilirubin (Adults)	0.1 – 1.2 mg/dL
Direct (Conjugated) Bilirubin	0.0 – 0.3 mg/dL
Indirect (Unconjugated) Bilirubin	0.2 – 0.9 mg/dL
Neonatal Total Bilirubin (Day 1)	Below 6 mg/dL
Neonatal Total Bilirubin (Day 3–5)	Below 12–15 mg/dL (term infant)

Clinical jaundice becomes visible when Total Bilirubin exceeds approximately 2.5–3.0 mg/dL. Your doctor will interpret results alongside SGPT, ALP and other LFT parameters.

Diagnosing the Type of Jaundice from Bilirubin Pattern

How bilirubin pattern identifies the cause of jaundice:

• High Indirect + Normal or Mildly Elevated Direct — Pre-hepatic jaundice. Red blood cells are breaking down too fast. Causes: haemolytic anaemia, sickle cell disease, thalassemia, Gilbert's syndrome, neonatal jaundice. Liver enzymes (SGPT, ALP) usually normal.
• High Total + Both Direct and Indirect Elevated + High SGPT — Hepatic (liver cell) jaundice. The liver is damaged and cannot process bilirubin normally. Causes: viral hepatitis (A, B, C, E), alcoholic hepatitis, drug-induced liver injury, cirrhosis.
• High Direct + High ALP + High GGT + Normal or Mildly Elevated SGPT — Post-hepatic (obstructive) jaundice. Bile cannot flow out of the liver due to obstruction. Causes: gallstones in the common bile duct, cholangitis, pancreatic cancer, primary biliary cirrhosis.

When is a Bilirubin Test Recommended?

Your doctor may recommend a Bilirubin test if you:

• Have yellowing of the skin, eyes or urine (jaundice)
• Have dark urine (tea-coloured) or pale/clay-coloured stools
• Have upper right abdominal pain or tenderness
• Have been diagnosed with liver disease, hepatitis or gallstones
• Are on medications that may affect the liver
• Are a newborn with yellowish skin (neonatal jaundice monitoring)
• Have unexplained fatigue, nausea or loss of appetite
• As part of a routine Liver Function Test (LFT) or full body checkup
• Have haemolytic anaemia or sickle cell disease requiring monitoring

What Conditions Does Bilirubin Test Help Diagnose?

• Viral Hepatitis (A, B, C, E)
• Alcoholic liver disease
• Liver cirrhosis
• Gallstones and bile duct obstruction
• Cholangitis and cholestasis
• Pancreatic cancer (causing bile duct obstruction)
• Haemolytic anaemia
• Sickle cell disease and thalassemia
• Gilbert's syndrome (benign hereditary elevated indirect bilirubin)
• Neonatal jaundice (physiological and pathological)
• Drug-induced liver injury

Bilirubin Test Price in Kolkata

Bilirubin (Total & Direct) Test Price: ₹300
4–8 hours fasting recommended  |  Light-protected sample handling  |  Free home collection above ₹2,000

Tests Commonly Ordered Alongside Bilirubin

• Liver Function Test (LFT) — the full LFT panel includes Bilirubin alongside SGPT, SGOT, ALP, GGT, Albumin and Total Protein for complete liver assessment
• HBsAg (Hepatitis B Surface Antigen) — screens for Hepatitis B as a cause of elevated bilirubin and jaundice
• Anti-HCV (Hepatitis C Antibody) — screens for Hepatitis C infection
• CBC (Complete Blood Count) — haemolytic anaemia causing high indirect bilirubin is identified by low haemoglobin and elevated reticulocyte count
• USG Abdomen — ultrasound of the liver, gallbladder and bile ducts when obstructive jaundice is suspected
• Reticulocyte Count — elevated in haemolytic anaemia alongside high indirect bilirubin

Home Collection for Bilirubin Test in Kolkata

Apollo Diagnostics provides home blood sample collection for Bilirubin tests across North and Central Kolkata. Our phlebotomists use amber-protected sample tubes and light-shielded transport to preserve bilirubin integrity from doorstep to laboratory. Samples are processed using advanced automated photometric analyzers at our NABL-certified central laboratory.

• Home collection available: 7:00 AM – 2:30 PM Daily
• Fast 4–8 hours before collection for most accurate results
• Light-protected sample handling included
• Free home collection on orders above ₹2,000
• Digital reports delivered to WhatsApp within 24 hours

📞 Book Bilirubin Test via WhatsApp — +91 8660434628

Quick Links

→ Apollo Diagnostics Nagerbazar → Full List of Individual Tests → Book Home Collection → Full Body Checkup Packages

Frequently Asked Questions

Q1. What is the Bilirubin test used for?

The Bilirubin (Total & Direct) test measures bilirubin in the blood to diagnose and monitor jaundice, liver disease, bile duct obstruction and haemolytic anaemia. By comparing Direct and Indirect bilirubin levels the test helps identify whether jaundice is caused by liver cell damage, bile duct blockage or excessive red blood cell breakdown.

Q2. What is the normal Bilirubin level?

Normal Total Bilirubin is 0.1–1.2 mg/dL. Normal Direct Bilirubin is 0.0–0.3 mg/dL. Indirect Bilirubin is calculated as Total minus Direct and is normally 0.2–0.9 mg/dL. Jaundice becomes clinically visible when Total Bilirubin exceeds approximately 2.5–3.0 mg/dL.

Q3. Does the Bilirubin test require fasting?

Fasting for 4–8 hours is recommended for the most accurate Bilirubin result as certain foods can temporarily affect pigment levels. Bilirubin is also highly sensitive to light — our phlebotomists use light-protected amber tubes and covered transport to preserve sample integrity.

Q4. What is the Bilirubin test price at Apollo Diagnostics Kolkata?

The Bilirubin (Total & Direct) test price at Apollo Diagnostics is ₹300. Light-protected sample handling is included. Home collection is available free on orders above ₹2,000.

Q5. What is the difference between Direct and Indirect Bilirubin?

Direct (conjugated) bilirubin has been processed by the liver and made water-soluble for excretion in bile. High Direct bilirubin suggests the bile is not flowing normally — due to gallstones, bile duct obstruction or liver cell disease. Indirect (unconjugated) bilirubin has not yet been processed by the liver. High Indirect bilirubin suggests red blood cells are breaking down too fast (haemolytic anaemia) or the liver's processing capacity is reduced (Gilbert's syndrome).

Q6. What is Gilbert's syndrome and how does Bilirubin test identify it?

Gilbert's syndrome is a common benign hereditary condition where a genetic variation causes mildly reduced liver processing of indirect bilirubin. It affects about 5–10% of the population. The Bilirubin test shows mildly elevated Total and Indirect Bilirubin — often 1.5–3.0 mg/dL — while Direct Bilirubin and all liver enzymes (SGPT, ALP, GGT, Albumin) remain completely normal. Gilbert's syndrome does not require treatment and is not harmful.

Q7. What causes neonatal jaundice and how is Bilirubin monitored?

Neonatal jaundice (physiological jaundice of the newborn) is caused by the rapid breakdown of fetal red blood cells after birth combined with the newborn liver's limited ability to process the released bilirubin. It typically appears on Day 2–3 and resolves by Day 7–14. Bilirubin is monitored closely in newborns as excessively high levels (above 20–25 mg/dL) can cause brain damage (kernicterus). Apollo Diagnostics provides home collection for neonatal bilirubin monitoring on doctor's prescription.

Q8. Is home collection available for Bilirubin test in Kolkata?

Yes. Apollo Diagnostics provides home blood sample collection for Bilirubin tests across Dum Dum, South Dum Dum, Nagerbazar, Satgachi, Baguiati, Lake Town, Bangur, Kaikhali, Sealdah, Entally, Phoolbagan, Tangra and surrounding areas. Light-protected sample handling included. Book by calling or WhatsApping +91 8660434628.

Q9. How long does it take to get Bilirubin test results?

Bilirubin test results are typically available within 24 hours of sample collection. Reports are delivered digitally to your WhatsApp or email.

Q10. Which centre processes my Bilirubin sample in Kolkata?

All samples collected across North and Central Kolkata are processed at Apollo Diagnostics Nagerbazar — Nandarani Apartment, 8A Narasingha Avenue, Nagerbazar, Dum Dum, Kolkata 700074. Our lab is NABL-certified and ISO-certified using advanced photometric analyzers with light-protected sample processing.