Child-Pugh Score Explained: What Class A, B, and C Mean for Your Cirrhosis

If you've been diagnosed with cirrhosis, your doctor has likely mentioned something called the Child-Pugh score — or perhaps referred to your liver disease as "Class A," "Class B," or "Class C." These classifications can feel like a mystery, especially when you're already dealing with the emotional weight of a chronic liver disease diagnosis.

This guide will explain everything you need to know about the Child-Pugh scoring system in plain, patient-friendly language: what the five components are, how points are assigned, what each class means for your health and prognosis, and how the Child-Pugh score compares to the MELD score. We'll also show you how tracking your scores over time can help you and your doctor make better-informed decisions about your care.

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What Is the Child-Pugh Score?

The Child-Pugh score (also called the Child-Turcotte-Pugh score or CTP score) is a clinical scoring system used to assess the severity of chronic liver disease, primarily cirrhosis. It was first created in 1964 by Drs. Child and Turcotte to predict surgical outcomes in patients with portal hypertension, and later modified by Dr. Pugh in 1973.

Unlike the MELD score, which uses only blood test results, the Child-Pugh score combines three laboratory values with two clinical assessments to give a more holistic picture of how well your liver is functioning. The total score ranges from 5 to 15 points and places you into one of three classes:

• Class A (5–6 points): Well-compensated cirrhosis — your liver is still functioning relatively well.

• Class B (7–9 points): Significant functional compromise — your liver is struggling and complications may be present.

• Class C (10–15 points): Decompensated cirrhosis — your liver function is severely impaired and transplant evaluation is typically recommended.

Despite being over 50 years old, the Child-Pugh score remains one of the most widely used tools in hepatology and is referenced daily by gastroenterologists and transplant teams worldwide.

The Five Components of the Child-Pugh Score

The Child-Pugh score is calculated by assigning 1, 2, or 3 points to each of five clinical measures. A score of 1 means the least severe, and 3 means the most severe. Here's what each component measures and why it matters:

1. Total Bilirubin

Bilirubin is a yellow substance produced when your body breaks down red blood cells. A healthy liver processes and removes bilirubin from your blood. When the liver is damaged, bilirubin accumulates, which can cause jaundice (yellowing of the skin and eyes). Higher bilirubin levels indicate more severe liver dysfunction.

2. Serum Albumin

Albumin is a protein made by the liver. It helps maintain fluid balance in your bloodstream and carries important substances through your blood. When the liver is significantly damaged, it produces less albumin. Low albumin levels often contribute to fluid retention (edema and ascites) and signal declining liver synthetic function.

3. INR (International Normalized Ratio) / Prothrombin Time

The INR measures how quickly your blood clots. Your liver produces the proteins (clotting factors) necessary for proper blood clotting. When liver function declines, clotting takes longer, resulting in a higher INR. This increases the risk of bleeding — a common and dangerous complication in advanced cirrhosis, particularly with esophageal varices.

4. Ascites

Ascites is the abnormal accumulation of fluid in the abdomen. It's one of the most common complications of cirrhosis and is caused by a combination of portal hypertension (increased pressure in the liver's blood vessels) and low albumin. Ascites is assessed clinically through physical examination and imaging (such as ultrasound). Unlike the three lab values above, ascites is a clinical assessment — which is one reason the Child-Pugh score has been criticized for subjectivity.

To learn more about managing this complication, read our guide: Living with Ascites: Causes, Symptoms, and How to Track Fluid Retention (coming soon).

5. Hepatic Encephalopathy

Hepatic encephalopathy (HE) occurs when the liver can no longer effectively filter toxins (particularly ammonia) from the blood. These toxins build up and affect brain function, causing symptoms ranging from mild confusion and forgetfulness (Grade 1) to severe disorientation, slurred speech, and even coma (Grade 3–4). Like ascites, encephalopathy is assessed clinically.

💡 How It All Adds Up

Your Child-Pugh score is simply the total of all five components. The minimum score is 5 (1 point each for all five), and the maximum is 15 (3 points each for all five). Your hepatologist will calculate this during your clinical visits using your latest blood work and physical exam findings.

Child-Pugh Classification: What Each Class Means

Once your total score is calculated, it places you into one of three classes. Each class corresponds to a different level of liver function and has important implications for your prognosis, treatment options, and daily life.

⚠️ Important Note: These survival estimates come from population-level studies and are statistical averages. Your individual prognosis depends on many factors — including your specific liver disease, treatment, lifestyle changes, and overall health. A Class C diagnosis does not mean you have only 1–3 years to live, especially if transplant or other interventions are available. Always discuss your specific outlook with your hepatologist.

Class A — Well-Compensated Cirrhosis (5–6 Points)

If you're classified as Child-Pugh Class A, your liver is scarred (you have cirrhosis), but it's still functioning relatively well. This is often called "compensated cirrhosis" because your liver is compensating for the damage and still performing its essential functions.

What you can typically expect:

• You may have few or no symptoms

• Your lab values (bilirubin, albumin, INR) are near normal or mildly abnormal

• You don't have significant ascites or encephalopathy

• You can generally tolerate elective surgery if needed (perioperative mortality is roughly 10%)

• Your focus should be on preventing progression — treating the underlying cause, avoiding alcohol, eating a liver-friendly diet, and getting regular monitoring

Action items for Class A patients: This is the time to be proactive. Regular lab monitoring, lifestyle adjustments, and tracking your trends can help you stay in Class A for as long as possible. Sign up for LiverTracker to automatically track your lab values and Child-Pugh score over time.

Class B — Significant Functional Compromise (7–9 Points)

A Child-Pugh Class B classification means your liver function is moderately impaired. You may be starting to develop complications, or your lab values are showing meaningful deterioration.

What you can typically expect:

• You may have mild to moderate ascites and/or early encephalopathy symptoms (confusion, sleep changes)

• Lab values show clear abnormalities — rising bilirubin, declining albumin, or elevated INR

• Elective surgery carries significantly higher risk (~30% perioperative mortality)

• Your hepatologist will likely intensify your monitoring and treatment

• Transplant evaluation may begin or be recommended

Action items for Class B patients: This is a critical window. Work closely with your hepatologist, follow dietary restrictions (especially sodium management for ascites), take all prescribed medications, and track every lab result. Understanding whether you're trending toward Class A (improving) or Class C (worsening) is essential.

Class C — Decompensated Cirrhosis (10–15 Points)

Child-Pugh Class C indicates severe, decompensated liver disease. At this stage, the liver can no longer adequately perform its essential functions, and complications are typically present and difficult to manage.

What you can typically expect:

• Significant ascites that may be refractory (not responding well to diuretics)

• Hepatic encephalopathy episodes — confusion, personality changes, sleep disturbance

• Markedly abnormal lab values

• Elective surgery is generally contraindicated (~82% perioperative mortality)

• Liver transplant is typically the definitive treatment option

• Your MELD score becomes critical for determining your transplant waiting list priority

Action items for Class C patients: If you haven't been evaluated for transplant, ask your hepatologist about referral to a transplant center. Track your MELD score closely — it determines your position on the waiting list. Use LiverTracker to upload every lab report and share your complete trends with your transplant team.

How the Child-Pugh Score Is Used in Clinical Practice

Doctors use the Child-Pugh score in several important ways beyond just classifying your disease severity:

Surgical Risk Assessment

The Child-Pugh score was originally created to predict surgical outcomes. It remains essential for evaluating whether a cirrhosis patient can safely undergo elective surgery. Class A patients are generally considered safe surgical candidates, Class B patients may undergo surgery after careful medical optimization, and Class C patients are almost always too high-risk for elective procedures.

Medication Dosing

Many drug manufacturers include Child-Pugh classifications in their prescribing information. Some medications need dose adjustments or are contraindicated entirely in patients with moderate (Class B) or severe (Class C) liver impairment because the liver is responsible for metabolizing many drugs. Always tell your doctors and pharmacists about your Child-Pugh class.

Treatment Planning for Liver Cancer (HCC)

If you've been diagnosed with hepatocellular carcinoma (HCC), your Child-Pugh class plays a major role in determining which treatments are available to you. Many treatment algorithms — including surgical resection, transarterial chemoembolization (TACE), and systemic therapies — factor in your Child-Pugh classification. Patients with Class C are generally only eligible for transplant or supportive care.

Prognosis and Goals of Care

The Child-Pugh class helps your medical team have honest conversations about prognosis and set realistic goals for your treatment plan — whether that's aggressive management, transplant pursuit, or focusing on quality of life and symptom management.

Child-Pugh Score vs. MELD Score: Key Differences

Both the Child-Pugh and MELD scores assess liver disease severity, but they serve different purposes and work in different ways. Understanding the difference is important because you'll likely encounter both in your care.

Why Was Child-Pugh Replaced for Transplant Allocation?

The Child-Pugh score was used for transplant allocation before 2002, but it had three critical limitations that led UNOS to replace it with the MELD score:

1. Subjective components: Grading ascites as "none," "mild," or "severe" and encephalopathy as "none," "Grade 1–2," or "Grade 3–4" requires clinical judgment that can vary between doctors.

2. No kidney function measurement: Kidney failure is a major predictor of death in liver disease, but the Child-Pugh score doesn't account for creatinine.

3. Limited discrimination: With only 10 possible score values and just 3 classes, many patients end up with the same score despite having very different disease severity. This meant wait time often determined transplant priority instead of medical urgency.

That said, the Child-Pugh score remains extremely valuable in clinical practice. Most hepatologists use both scores together — Child-Pugh for overall clinical staging and prognosis, and MELD for transplant allocation. For a detailed guide on the MELD score, read our article: What Is MELD Score? A Patient-Friendly Guide to Liver Transplant Priority.

Compensated vs. Decompensated Cirrhosis: Where Does Your Class Fit?

You'll often hear your doctor use the terms "compensated" and "decompensated" cirrhosis. These terms map closely to the Child-Pugh classification:

The transition from compensated to decompensated cirrhosis is a critical turning point. Once decompensation occurs, the prognosis changes significantly. This is why tracking your scores and lab values over time is so important — catching early signs of decompensation allows your medical team to intervene early.

Can Your Child-Pugh Class Improve?

Yes, in some cases your Child-Pugh score can improve, potentially moving you from a higher class to a lower one. Whether this is possible depends on your underlying condition:

When Improvement Is Possible

• Alcohol-related cirrhosis: Complete abstinence from alcohol can lead to significant liver recovery. Some patients classified as Class B have improved to Class A after sustained sobriety.

• Hepatitis B or C treatment: Successful antiviral therapy (especially the cure of Hepatitis C with direct-acting antivirals) can reduce inflammation and allow partial liver recovery, improving lab values and clinical symptoms.

• Managing ascites: Proper sodium restriction, diuretic therapy, and medical management can reduce or eliminate ascites, lowering your ascites score from 2 or 3 points back to 1.

• Treating encephalopathy: Lactulose, rifaximin, and dietary adjustments can control hepatic encephalopathy, reducing your encephalopathy score.

• Nutritional optimization: Improving nutrition can help raise albumin levels, particularly if malnutrition is a contributing factor.

When Improvement Is Unlikely

• Advanced, irreversible cirrhosis with extensive scarring

• Ongoing exposure to the cause of liver damage (continued alcohol use, untreated hepatitis)

• Multi-organ dysfunction (liver disease with concurrent kidney failure, heart failure)

For dietary support, explore our liver-friendly recipe center and use the food scanner to verify which foods are safe for your specific condition.

How to Track Your Child-Pugh Score Over Time

Just like the MELD score, the real power of the Child-Pugh score comes from tracking it over time. A single snapshot tells you where you are today, but the trend reveals the trajectory of your disease.

Here's why trend tracking matters:

• Early warning of decompensation: If your score is gradually rising from 6 to 7 to 8, you're approaching the boundary between Class A and Class B. Your doctor needs to know this.

• Treatment effectiveness: If your score drops after starting antiviral therapy or achieving sobriety, it confirms your treatment is working.

• Preparation for medical appointments: Walking into your hepatologist's office with a complete score history makes the conversation far more productive.

• Transplant team communication: Your transplant team needs to see both your Child-Pugh class and MELD score trends to make the best decisions about your care.

Why LiverTracker Is Built for This

LiverTracker is the only platform specifically designed for liver disease patients to track both their Child-Pugh and MELD scores. Here's how it works:

• Upload your lab report (photo or PDF) — our AI extracts bilirubin, albumin, INR, and all other values automatically.

• MELD and Child-Pugh scores are calculated instantly from your extracted lab data, combined with your clinical profile (ascites and encephalopathy status from your patient profile).

• Visual trend charts show exactly how your scores have changed over every report you've uploaded.

• AI health chat — ask questions like "Has my Child-Pugh score been getting worse?" and get answers based on your actual data.

• Share with your doctor — generate a consolidated report showing all your labs, scores, and trends, and securely share it with your hepatologist via a password-protected link.

• Track imaging too — log your ultrasound, CT, MRI, endoscopy, and FibroScan results alongside your lab work for a complete picture.

🚀 Start Tracking Your Scores Today

1. Try our free MELD & Clinical Score Calculator for a one-time calculation.

2. Create your free LiverTracker account to upload lab reports and track your Child-Pugh and MELD scores over time.

3. Share your trend reports with your hepatologist at your next visit.

Frequently Asked Questions About the Child-Pugh Score

What is a normal Child-Pugh score?

The lowest possible Child-Pugh score is 5 (1 point for each of the five components), which indicates well-preserved liver function. A score of 5–6 places you in Class A, which is considered mild cirrhosis. People without cirrhosis would theoretically all score 5, but the Child-Pugh score is only used when cirrhosis has been diagnosed.

Is Child-Pugh Class A serious?

Class A means you have cirrhosis, which is a serious condition, but your liver is still functioning well enough to compensate for the damage. With proper management — treating the underlying cause, dietary changes, and regular monitoring — many Class A patients live 15–20 years or more. The key is preventing progression to Class B or C.

Can you go from Child-Pugh Class C to Class A?

Going from Class C directly to Class A is uncommon but not impossible, particularly if the underlying cause is addressed aggressively (e.g., alcohol abstinence in alcohol-related liver disease, or Hepatitis C cure). More commonly, patients may see improvement from Class C to Class B, or Class B to Class A, over months of treatment. Without transplant, sustained improvement from Class C is difficult.

Does the Child-Pugh score predict life expectancy?

The Child-Pugh classification provides estimated survival ranges based on population studies: approximately 15–20 years for Class A, 4–14 years for Class B, and 1–3 years for Class C without transplant. However, these are averages — your individual trajectory depends on many factors including your treatment, liver disease cause, lifestyle changes, and whether transplant is an option.

Why does my doctor use both Child-Pugh and MELD?

Because they serve different purposes. Child-Pugh gives a clinical staging of your disease severity and helps with surgical risk assessment and drug dosing. MELD provides a continuous severity score used for transplant allocation. Together, they give your medical team a complete picture. LiverTracker calculates and tracks both automatically from your uploaded lab reports.

How often should my Child-Pugh score be recalculated?

Your Child-Pugh score should be reassessed each time you have new blood work and a clinical evaluation. For most cirrhosis patients, this happens every 3–6 months for Class A, every 1–3 months for Class B, and monthly or more frequently for Class C. Upload your results to LiverTracker each time to maintain a complete record.

Medical References & Sources

This article references the following peer-reviewed sources and medical institutions:

1. Pugh RN, Murray-Lyon IM, Dawson JL, Pietroni MC, Williams R. Transection of the oesophagus for bleeding oesophageal varices. British Journal of Surgery. 1973;60(8):646–649. (The original Pugh modification paper)

2. Tsoris A, Marlar CA. Use Of The Child Pugh Score In Liver Disease. StatPearls [Internet]. 2023. NCBI Bookshelf Full Text

3. Cholongitas E, Papatheodoridis GV, Vangeli M, et al. Systematic review: The model for end-stage liver disease — should it replace Child-Pugh's classification for assessing prognosis in cirrhosis? Alimentary Pharmacology and Therapeutics. 2005;22(11-12):1079–1089.

4. Peng Y, Qi X, Guo X. Child-Pugh Versus MELD Score for the Assessment of Prognosis in Liver Cirrhosis: A Systematic Review and Meta-Analysis. Medicine (Baltimore). 2016;95(8):e2877. PMC Full Text

5. Kim WR, Mannalithara A, Heimbach JK, et al. MELD 3.0: The Model for End-Stage Liver Disease Updated for the Modern Era. Gastroenterology. 2021;161(6):1887–1895. PMC Full Text

6. Cleveland Clinic: Child-Pugh Score: How To Calculate & Classifications (Updated Aug 2025)

7. Healthline: Child-Pugh Score for Chronic Liver Disease and Cirrhosis

8. MDCalc: Child-Pugh Score for Cirrhosis Mortality Calculator

9. VA Hepatitis: Child-Turcotte-Pugh (CTP) Calculator

Related Articles on LiverTracker

Continue learning about your liver health with these guides on our blog:

• What Is MELD Score? A Patient-Friendly Guide to Liver Transplant Priority

• Understanding Your Liver Blood Test Results: ALT, AST, Bilirubin, and More

• Cirrhosis Stages Explained: From Compensated to Decompensated

• The Complete Liver-Friendly Diet Guide: What to Eat and What to Avoid

• Understanding the Liver Transplant Waiting List: How It Works

• Free MELD & Clinical Score Calculator Tool

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Medical Disclaimer: This article is for informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your hepatologist, gastroenterologist, or transplant team for guidance specific to your condition. LiverTracker does not provide medical advice. For our complete disclaimer, visit livertracker.com/medical-disclaimer.