Liver Function Test Bangkok — ALT, AST, GGT, Bilirubin Prices (2026)

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Liver function tests (LFTs) are the most commonly flagged group of results in Bangkok executive health check-ups — particularly ALT (SGPT) elevation, which is seen in up to 30–40% of check-up patients due to the high prevalence of fatty liver disease (NAFLD) in Thailand and among visitors. Bangkok's private hospitals run the full liver enzyme panel with results in 2–4 hours, without a referral, at walk-in prices. This guide covers what each test measures, what abnormal results mean, and what to do about them.

Liver function test prices in Bangkok (2026)

Liver test prices at Bangkok private hospitals:

  • ▸ALT (alanine aminotransferase / SGPT): ฿200–฿500 — the primary liver cell damage marker; elevated in fatty liver, hepatitis, or any hepatocyte injury
  • ▸AST (aspartate aminotransferase / SGOT): ฿200–฿500 — also elevated in liver damage but less specific (also from muscle and heart)
  • ▸GGT (gamma-glutamyltransferase): ฿200–฿400 — sensitive marker for alcohol use and biliary disease; elevated with regular alcohol even if ALT is normal
  • ▸ALP (alkaline phosphatase): ฿200–฿400 — marker of bile duct disease; also elevated in bone disease
  • ▸Total bilirubin: ฿200–฿400 — waste product from red blood cell breakdown; elevated in jaundice or liver processing problems
  • ▸Direct bilirubin: ฿200–฿400 — the conjugated fraction; elevated specifically in liver disease or bile duct obstruction
  • ▸Albumin: ฿200–฿400 — made by the liver; low albumin indicates decreased liver synthetic function (advanced disease)
  • ▸Total protein: ฿200–฿400 — includes albumin and globulins; part of synthetic function assessment
  • ▸Full liver function panel (ALT + AST + GGT + ALP + bilirubin + albumin + total protein): ฿800–฿2,000 — comprehensive LFT panel; included in most Bangkok executive packages
  • ▸INR/PT (prothrombin time): ฿400–฿800 — clotting factor marker; liver makes clotting factors; elevated INR indicates serious liver dysfunction

Understanding abnormal liver test results from Bangkok

What flagged liver enzyme results mean and how to interpret them:

  • ▸ALT/AST mild elevation (<3× upper limit of normal — ULN): very common; usually fatty liver (NAFLD), alcohol, medication side effects, or vigorous exercise (AST); requires follow-up but not emergency
  • ▸ALT/AST moderate elevation (3–10× ULN): significant liver injury; work up for cause (NAFLD, hepatitis B or C, alcohol, autoimmune, medication-induced); specialist referral within 2–4 weeks
  • ▸ALT/AST severe elevation (>10× ULN): acute liver injury; urgent — possible acute hepatitis, acute alcohol hepatitis, drug toxicity; same-day specialist in Bangkok if still there
  • ▸GGT elevated with normal ALT: often from regular alcohol use even at 'moderate' levels; GGT is the most sensitive early alcohol liver marker; reduces when alcohol stops
  • ▸ALP elevated with normal GGT: more likely bone origin (check Vitamin D and bone alkaline phosphatase); if GGT also elevated, consider bile duct disease
  • ▸Bilirubin elevated: yellow skin (jaundice) usually visible at bilirubin >2.5 mg/dL; needs cause identification (liver disease, haemolysis, Gilbert syndrome)
  • ▸AST:ALT ratio >2: classic pattern of alcoholic liver disease (AST disproportionately high from alcohol-induced mitochondrial damage)
  • ▸Mildly low albumin (<3.5 g/dL) in executive check-up: may indicate early liver synthetic dysfunction or undernutrition; warrants monitoring with other liver tests
  • ▸Bangkok hospitals follow AASLD/EASL guidelines for LFT interpretation — any report flagged with 'H' warrants discussion with the attending physician

Liver health action plan — what to do after Bangkok check-up

Steps to take based on your Bangkok liver test results:

  • ▸Fatty liver (NAFLD) diagnosis from ultrasound: ALT mildly elevated confirms liver cell stress; Grade 1–2 fatty liver: lose 7–10% body weight, reduce saturated fat and fructose, exercise 150+ min/week; weight loss of 10% reverses Grade 2 NAFLD
  • ▸Alcohol-related GGT: stop alcohol for 4 weeks; retest GGT — it should halve; if GGT does not reduce after abstinence, see hepatologist
  • ▸Hepatitis B/C suspected: order Hepatitis B surface antigen (HBsAg) and Hepatitis C antibody (anti-HCV) — ฿500–฿1,500 each in Bangkok; available same-day; if positive, antiviral treatment at Bangkok hospitals is possible
  • ▸Medication-induced: NSAIDs, statins, herbal supplements, antibiotics can all cause ALT elevation; stop suspect medication and retest in 4–6 weeks
  • ▸FibroScan (liver stiffness): Bangkok hospitals (Bumrungrad, Samitivej) offer FibroScan to assess liver fibrosis non-invasively — ฿2,000–฿4,000; recommended for persistent ALT elevation or Grade 2–3 NAFLD
  • ▸Hepatologist consultation: all Bangkok major hospitals have hepatologists; ฿1,500–฿3,000 same-day or next-day consultation
  • ▸For home follow-up: repeat LFT panel in 3–6 months after lifestyle changes; your home GP can order ALT/AST/GGT as standalone blood tests in most countries

Frequently Asked Questions

Why is ALT elevated in my Bangkok check-up when I feel fine?▼

Mild ALT elevation with no symptoms is very common — the most frequent cause is non-alcoholic fatty liver disease (NAFLD), which affects 25–30% of adults globally and has no symptoms in early stages. Other common causes: regular alcohol consumption, obesity, high triglycerides, type 2 diabetes, statin medication, other drugs/supplements, and vigorous exercise before the test. A single mildly elevated ALT in otherwise healthy individuals who don't drink heavily usually warrants lifestyle changes and a repeat test in 3–6 months — not alarm.

Do I need to fast before a liver function test in Bangkok?▼

The liver enzyme tests themselves (ALT, AST, GGT, ALP, bilirubin, albumin) are not significantly affected by food. However, since most Bangkok health check-ups include fasting blood tests (glucose and lipid panel), the entire check-up is usually done after 8–12 hours fasting. One important note: alcohol consumed within 24–48 hours before the test will elevate GGT and potentially ALT. Avoid alcohol for at least 24 hours (ideally 48 hours) before a liver function test for the most accurate reading.

Can Bangkok doctors treat liver conditions if found at my check-up?▼

Yes. Bangkok's major hospitals have full hepatology (liver specialist) departments. For NAFLD: lifestyle guidance and FibroScan assessment available same-day. For hepatitis B: HBV DNA viral load quantification + tenofovir/entecavir antiviral therapy — Bangkok pharmacy prices are 80–90% lower than Western prices. For hepatitis C: direct-acting antivirals (Epclusa, Harvoni, Maviret) — available in Thailand at 50–80% of Western prices; 12-week courses cost ฿10,000–฿30,000 in Bangkok vs $15,000–$40,000 in the US. For autoimmune hepatitis or alcoholic hepatitis: specialist inpatient management available.

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