What does GGT add to liver-related blood testing?

GGT is an enzyme measured alongside ALT, AST, alkaline phosphatase, bilirubin, and proteins in Liver Monitoring Blood Scan and In-Depth Kidney & Liver Checkup. When alkaline phosphatase is elevated, GGT is often considered with it because the combination can provide additional liver and bile-duct context. GGT alone does not identify a specific cause, and results warrant professional review when abnormal or accompanied by symptoms.

Liver Function Test Options

Rated 4.9/5 by Rated 4.9/5 from 3633 reviews 3633 customer reviews

Match the liver question to the right panel

All four include ALT, AST, alkaline phosphatase, total bilirubin, albumin, globulin, and total protein.

Want a focused look at liver values alone? the liver-only option — the sole one here that splits bilirubin into direct and indirect View Liver Function Profile $114 $91
Checking kidneys and blood sugar at the same time? adds glucose, electrolytes, and kidney filtration with eGFR View Comprehensive Metabolic Profile $114 $91
Tracking liver results over repeat draws? adds GGT, a full blood count, and alpha fetoprotein for ongoing monitoring View Liver Monitoring Blood Scan $149 $119
Looking into kidney and liver questions in depth? the broadest here — adds ammonia and copper handling, plus a full urinalysis View In-Depth Kidney & Liver Checkup $1,029 $823

Featured tests

HSA/FSA accepted

Liver Health Monitor (Liver Panel)

Reveal liver issues before they become serious
Clarify why you're feeling constantly tired
Expose hidden factors affecting your digestion

• All lab fees included

-20% $91 about $5 per marker

List price ~~$114~~

HSA/FSA accepted

Comprehensive Metabolic Profile (includes eGFR)

Reveal underlying health conditions effortlessly
Pinpoint the cause of chronic fatigue
Assess your cardiovascular health comprehensively

• All lab fees included

-20% $91 about $1 per marker

List price ~~$114~~

HSA/FSA accepted

Liver Monitoring Blood Scan

Reveal liver health issues effortlessly
Detect potential liver damage early
Highlight areas needing lifestyle changes

• All lab fees included

-20% $119 about $1 per marker

List price ~~$149~~

HSA/FSA accepted

In-Depth Kidney & Liver Checkup

Reveal hidden kidney issues effortlessly
Expose liver problems before they escalate
Clarify the cause of your fatigue

• All lab fees included

-20% $823 about $1 per marker

List price ~~$1,029~~

Sort by

Loading…

A liver function test measures blood markers that reflect liver-cell injury, bile flow, bilirubin processing, and protein production. Shoppers often compare options after an earlier result, during ongoing health discussions, or when they want to understand ALT and AST alongside bilirubin, alkaline phosphatase, albumin, and total protein. The important next decision is whether you need a liver-focused profile, liver values paired with kidney and metabolic measurements, or a monitoring panel that also includes GGT, a blood count, and alpha fetoprotein. Results deserve professional review when symptoms or abnormal values are involved.

What the main liver blood measurements show

ALT and AST are enzymes that often rise when liver cells are injured, although AST is also found in muscle and both values can increase after strenuous exercise. Alkaline phosphatase and bilirubin help frame questions involving bile flow and bilirubin handling. Total, direct, and indirect bilirubin separate the overall amount from fractions that help a clinician assess the pattern. Albumin, globulin, total protein, and the albumin/globulin ratio describe circulating proteins associated with liver production and immune-related protein balance. A single result does not establish a cause; the pattern, degree of change, symptoms, and prior results matter.

How liver panel choices differ

Liver Function Profile concentrates on ALT, AST, alkaline phosphatase, total, direct, and indirect bilirubin, plus albumin, globulin, total protein, and the albumin/globulin ratio. Comprehensive Metabolic Profile (includes eGFR) pairs several of those liver values with glucose, electrolytes, creatinine, urea nitrogen, and eGFR, which estimates kidney filtration. Liver Monitoring Blood Scan adds GGT, a complete blood count, and alpha fetoprotein to metabolic and liver measurements. In-Depth Kidney & Liver Checkup extends further with cystatin C, urinalysis, ammonia, copper, ceruloplasmin, uric acid, phosphate, and cholesterol measures. Alpha fetoprotein is a monitoring-related measurement and does not diagnose cancer by itself.

Liver Health FAQ

A liver function test commonly measures ALT, AST, alkaline phosphatase, bilirubin, albumin, and total protein. ALT and AST help assess possible liver-cell injury, while alkaline phosphatase and bilirubin help describe bile-flow and bilirubin-processing patterns. Albumin, globulin, and total protein add information about circulating proteins. Results are interpreted as a pattern rather than as a stand-alone diagnosis.

ALT and AST are measured together because their relationship and the rest of the panel help describe an abnormal pattern. ALT is more concentrated in liver cells, whereas AST is also present in muscle. Recent strenuous exercise can raise either enzyme, especially AST, so timing and physical activity are useful details for professional interpretation. Bilirubin and alkaline phosphatase help distinguish enzyme changes from other liver-related patterns.

Total bilirubin is the combined amount of bilirubin in blood; direct and indirect bilirubin divide that total into fractions. This breakdown helps clinicians evaluate whether an elevation follows a pattern involving bilirubin processing or excretion. Liver Function Profile measures all three, along with ALT, AST, and alkaline phosphatase, so the bilirubin result is not viewed in isolation.

Alkaline phosphatase is used with bilirubin, ALT, and AST to help assess a liver-related pattern that may involve bile flow. It is not specific to the liver because bone also contributes alkaline phosphatase. An elevated result therefore needs the accompanying liver values, medical history, and sometimes further evaluation to understand its source. Liver Function Profile includes alkaline phosphatase and bilirubin fractions for that comparison.

Liver Function Profile is practical when the goal is a concentrated set of liver-related blood measurements. It includes ALT, AST, alkaline phosphatase, total bilirubin, direct bilirubin, indirect bilirubin, albumin, globulin, total protein, and the albumin/globulin ratio. It does not include creatinine, eGFR, glucose, GGT, or a complete blood count, which distinguishes it from the broader featured options.

Comprehensive Metabolic Profile (includes eGFR) measures ALT, AST, alkaline phosphatase, total bilirubin, albumin, globulin, and total protein while also reporting glucose, sodium, potassium, chloride, carbon dioxide, calcium, creatinine, urea nitrogen, and eGFR. Those added values place liver-related results beside metabolic and kidney-filtration information. It does not report direct or indirect bilirubin, GGT, or alpha fetoprotein.

Creatinine, urea nitrogen, cystatin C, and eGFR describe kidney filtration from different angles, while urinalysis adds findings such as protein, blood, glucose, and specific gravity. In-Depth Kidney & Liver Checkup pairs those results with ALT, AST, bilirubin, alkaline phosphatase, GGT, albumin, and total protein. Creatinine is influenced by muscle mass, so cystatin C and eGFR can add useful perspective.

Albumin, globulin, total protein, and the albumin/globulin ratio describe the balance of major proteins in blood. Albumin is produced by the liver, while globulins include proteins involved in immune functions. Changes have many possible explanations, including hydration and non-liver conditions, so they are most informative alongside bilirubin, alkaline phosphatase, ALT, AST, and the clinical picture.

Ordering & Results FAQ

You'll receive it via email within 60 seconds of your order unless it requires additional processing (only very complex orders do).

Many general wellness test results are typically available online within 2-3 business days. However, some tests will require additional processing time. You will immediately receive an email & SMS notification when your results are available.

We do not share your results with your physician, insurance company, or any other third party.