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General Information:

 

Top 3 Reference Laboratory Test Catalogs for Miscellaneous Lab Test Orders:

 

Specimen Collection Information:

Reference Intervals:

System-Wide MaineHealth Laboratory Reference Intervals (Common tests only)

 

Critical Values:

System-Wide MaineHealth Laboratory Critical Values

Mayo Clinic Laboratories

Test Code LDL-D CHOLESTEROL, LOW-DENSITY LIPOPROTEIN (LDL), SERUM

Additional Codes

Software Test Code
Label Text LDL-D
EPIC LAB102

Performing Laboratory

NorDx Laboratories

Useful For

The determination of LDL fraction of total cholesterol

Method Name

Colorimetric

Reference Values

< 2 years:  No reference range established

 

The National Lipid Association and the National Cholesterol Education Program (NCEP) have set the following guidelines for lipids:

 

Fasting and Non-Fasting

 

2 up to 18 years:

Acceptable: < 110 mg/dL
Borderline high: 110 - 129 mg/dL
High: ≥ 130 mg/dL

 

≥ 18 years:

Desirable: < 100 mg/dL
Above desirable: 100 - 129 mg/dL
Borderline high: 130 - 159 mg/dL
High: 160 - 189 mg/dL
Very high: ≥ 190 mg/dL

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Specimen Type

Serum

Preferred Container

Serum Separator Tube (SST)

Preferred Volume

Serum: 0.5 mL (Serum Separator Tube (SST))

Minimum Volume

Serum: 0.3 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated.

Specimen Stability Information

Specimen Type: Serum

Refrigerated: 7 Days

Must be spun/separated within: 2 Hours

Add On Capable

Yes

Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer
83721 Lipoprotein, Direct Measurement, Low Density Cholesterol (LDL Cholesterol)  

Performing Laboratory Location

NorDx Laboratories

LOINC Code Information

18262-6

Keywords

CHOLESTEROL, DIRECT LDL

CHOLESTEROL, LDL (LOW-DENSITY LIPOPROTEIN)

LDL (LOW-DENSITY LIPOPROTEIN) CHOLESTEROL

Acceptable Alternative Container(s)

Plasma Separator Tube (PST)

Red Top Tube

Orange Top Tube (Rapid clot serum)