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HelpTest ID HCCGS Hepatocellular Carcinoma Risk Panel with GALAD Score, Serum
Ordering Guidance
GALAD (gender, age, alpha-fetoprotein [AFP]-L3, AFP, des-gamma-carboxy prothrombin [DCP]) score testing (this test) should not be performed for patients who are pregnant as alpha-fetoprotein results are elevated during pregnancy.
Necessary Information
Sex and age are required.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red Top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Gastroenterology and Hepatology Test Request (T728)
-Oncology Test Request (T729)
Useful For
Risk assessment for development of hepatocellular carcinoma in patients with chronic liver disease
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| L3AFP | AFP-L3% and Total AFP, S | Yes | Yes |
| DCP | Des-Gamma-Carboxy Prothrombin, S | Yes | Yes |
| GAL1 | GALAD Model Score | No | Yes |
| GAL2 | Probability of HCC | No | Yes |
Method Name
L3AFP and DCP: Isotachophoresis with Laser-Induced Fluorescence
GAL1 and GAL2: Calculation
Reporting Name
HCC Risk Panel with GALAD Score, SSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 90 days |
| Refrigerated | 5 days |
Reference Values
TOTAL ALPHA-FETOPROTEIN (AFP):
<4.7 ng/mL
AFP L3-PERCENT:
<10%
DES-GAMMA-CARBOXY PROTHROMBIN:
<7.5 ng/mL
GAL1:
Not applicable
GAL2:
Not applicable
Day(s) Performed
Monday, Wednesday, Friday
Report Available
1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
82107
83951
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HCCGS | HCC Risk Panel with GALAD Score, S | 96452-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| TAFP | Total AFP, S | 1834-1 |
| DCP | Des-Gamma-Carboxy Prothrombin, S | 34444-0 |
| GAL1 | GALAD Model Score | 96450-2 |
| GAL2 | Probability of HCC | 96709-1 |
| L3 | %L3 | 42332-7 |
| INT67 | Interpretation | 69048-7 |