Ordering Recommendation

Use for prognostication in heart failure. Test complements prognostic value of N-terminal pro-brain natriuretic peptide (NT-proBNP).

Mnemonic
GALECTIN
Methodology

Quantitative Enzyme Immunoassay

Performed

Wed

Reported

1-8 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Plain Red

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transport 1 mL serum. (Min: 0.2 mL)

Storage/Transport Temperature

Frozen

Unacceptable Conditions

Plasma. Visibly hemolyzed specimens

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 4 months (Avoid repeated freeze/thaw cycles)

Reference Interval

Effective November 16, 2015
Less than or equal to 22.1 ng/mL

Interpretive Data

An elevated concentration of galectin-3 is associated with increased cardiovascular risk and adverse outcome in patients with heart failure. Medical management should rely on clinical findings.

Low risk: less than or equal to 17.8 ng/mL
Intermediate risk: 17.9-25.9 ng/mL;
Higher risk: Greater than 25.9 ng/mL.

Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

82777

Components
Component Test Code* Component Chart Name LOINC
2007139 Galectin-3, Serum 83099-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Gal-3
  • Galectin
Galectin-3, Serum