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Test Code FLDLD LDL Cholesterol, Direct

Reporting Name

LDL Cholesterol, Direct

Method Name

Quantitative Detergent Solubilization/Enzymatic

Performing Laboratory

ARUP Laboratories

Specimen Type

Serum


Specimen Required


Draw blood in a serum gel tube(s), plain red-top tube is also acceptable. Spin down and send 1 mL of serum refrigerate.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 5 days
  Frozen  30 days

Reject Due To

Hemolysis

NA

Thawing

Warm reject, Cold OK

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

Age

Desirable

Borderline

Higher Risk

0 – 19 years

109 mg/dL or less

110 – 129 mg/dL

130 mg/dL or greater

20 years and older

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

130 – 159 mg/dL

160 mg/dL or greater

Day(s) and Time(s) Performed

Sunday through Saturday

CPT Code Information

83721

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FLDLD LDL Cholesterol, Direct 2089-1

 

Result ID Test Result Name Result LOINC Value
FLDLD LDL Cholesterol, Direct 2089-1

NY State Approved

Yes