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Lab Test Dictionary

Enhanced Liver Fibrosis (ELF) Score (10350)

Methodology

Chemiluminescent Immunoassay


Synonyms

hyaluronic; P3NP; procollagen; metalloproteinase; hepatic; PIIINP; propeptide; NASH; NAFLD; Nonalcoholic, Fatty; Steatosis; Hepatitis; Steatohepatitis; TIMP

Specimen Type

Serum

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

Other Reference Test

Lab Test Days

Tuesday, Thursday, Saturday

Standard TAT

2-3 Days


Collection Information

Specimen Required

1-2 mL Serum

Container Type

Red-Top Tube

Collection Instructions

Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation. Samples with fluorescein may cause falsely depressed results. Evidence suggests that patients undergoing retinal fluorescein angiography can retain amounts of fluorescein in the body for up to 72 hours post-treatment.


Processing Information - Lab Use Only

Transport Temperature

Refrigerated

Specimen Stability

Room Temp=48 hours, Refrigerated=7 days, Frozen=30 days

Rejection Criteria

Gross hemolysis

Test Volume Required

1 mL Serum

Minimum Test Volume

0.5 mL Serum

Processing Instructions

Spin sample within two hours after collection.


Comments

The ELF score predicts progression to cirrhosis and liver-related events in patients with advanced fibrosis due to NASH.


CPT Codes

81517


Revised

1/4/24

Initials

SA