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Test Code CHLE Cholesteryl Esters, Serum

Reporting Name

Cholesteryl Esters, S

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Establishing a diagnosis of lecithin-cholesterol acyltransferase deficiency

 

Evaluating the extent of metabolic disturbance by bile stasis or liver disease

Method Name

Enzymatic Colorimetric


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial. Send refrigerated.


Specimen Type

Serum

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  60 days
  Ambient  24 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus Reject

Reference Values

≥18 years: 60-80% of total cholesterol

Reference values have not been established for patients who are less than 18 years of age.

Interpretation

Persons who have a familial deficiency of lecithin-cholesterol acyltransferase have only 20% or less of serum cholesterol esterified.

Day(s) Performed

Monday through Friday

Report Available

1 to 3 days

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84311

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CHLE Cholesteryl Esters, S 21197-9

 

Result ID Test Result Name Result LOINC Value
CHLES Cholesteryl Esters, S 21197-9

Forms

If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.