Test Catalog

Test Id : FLDLD

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LDL Cholesterol, Direct

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Overview

Test Catalog

Method Name
A short description of the method used to perform the test

Quantitative Detergent Solubilization/Enzymatic

NY State Available
Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name
Lists a shorter or abbreviated version of the Published Name for a test

LDL Cholesterol, Direct

Aliases
Lists additional common names for a test, as an aid in searching

LDLD-FORWARD

Direct LDL -FORWARD

LDL -FORWARD

Low Density Lipoprotein -FORWARD

Specimen Type
Describes the specimen type validated for testing

Serum

Specimen Required
Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 1.0 mL

Collection Instructions:

1. Draw blood in a serum gel tube(s), plain red-top tube is also acceptable.

2. Centrifuge and aliquot 1.0 mL of serum into a plastic vial.

3. Send refrigerate.

Specimen Minimum Volume
Defines the amount of sample necessary to provide a clinically relevant result as determined by the testing laboratory. The minimum volume is sufficient for one attempt at testing.

0.5 mL

Reject Due To
Identifies specimen types and conditions that may cause the specimen to be rejected

Specimen Stability Information
Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
Frozen 365 days

Reference Values
Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

0-19 years:

Desirable: 109 mg/dL or less

Borderline: 110-129 mg/dL

Higher risk: 130 mg/dL or greater

 

20 years and older:

Desirable: 129 mg/dL or less (99 mg/dL or less if patient has CHD)

Borderline: 130-159 mg/dL

Higher risk: 160 mg/dL or greater

Interpretation
Provides information to assist in interpretation of the test results

CHD Risk Factors:

+1 Age: Men 45 years and older; Women 55 years and older or premature menopause without estrogen therapy

+1 Family history of premature CHD

+1 Current smoking

+1 Hypertension

+1 Diabetes mellitus

+1 Low HDL Cholesterol: 39 mg/dL or less

- 1 High HDL Cholesterol: 60 mg/dL or greater

 

LDL Cholesterol: Therapeutic goal

99 mg/dL or less if CHD is present (Optional 69 mg/dL or less)

129 mg/dL or less if no CHD and two or more risk factors

159 mg/dL or less if no CHD

(Circulation 2004; 110:227-39)

PDF Report
Indicates whether the report includes an additional document with charts, images or other enriched information

No

Day(s) Performed
Outlines the days the test is performed. This field reflects the day that the sample must be in the testing laboratory to begin the testing process and includes any specimen preparation and processing time before the test is performed. Some tests are listed as continuously performed, which means that assays are performed multiple times during the day.

Sunday through Saturday

Report Available
The interval of time (receipt of sample at Mayo Clinic Laboratories to results available) taking into account standard setup days and weekends. The first day is the time that it typically takes for a result to be available. The last day is the time it might take, accounting for any necessary repeated testing.

1 to 5 days

Performing Laboratory Location
Indicates the location of the laboratory that performs the test

ARUP Laboratories

Fees :
Several factors determine the fee charged to perform a test. Contact your U.S. or International Regional Manager for information about establishing a fee schedule or to learn more about resources to optimize test selection.

  • Authorized users can sign in to Test Prices for detailed fee information.
  • Clients without access to Test Prices can contact Customer Service 24 hours a day, seven days a week.
  • Prospective clients should contact their account representative. For assistance, contact Customer Service.

CPT Code Information
Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Clinic Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

CPT codes are provided by the performing laboratory.

83721

LOINC® Information
Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and results codes of this test. LOINC values are provided by the performing laboratory.

Test Id Test Order Name Order LOINC Value
FLDLD LDL Cholesterol, Direct 18262-6
Result Id Test Result Name Result LOINC Value
Applies only to results expressed in units of measure originally reported by the performing laboratory. These values do not apply to results that are converted to other units of measure.
FLDLD LDL Cholesterol, Direct 18262-6

Test Setup Resources

Setup Files
Test setup information contains test file definition details to support order and result interfacing between Mayo Clinic Laboratories and your Laboratory Information System.

Excel | Pdf

Sample Reports
Normal and Abnormal sample reports are provided as references for report appearance.

Normal Reports | Abnormal Reports

SI Sample Reports
International System (SI) of Unit reports are provided for a limited number of tests. These reports are intended for international account use and are only available through MayoLINK accounts that have been defined to receive them.

SI Normal Reports | SI Abnormal Reports