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Test ID FLDLD LDL Cholesterol, Direct

Method Name

Quantitative Detergent Solubilization/Enzymatic

Reporting Name

LDL Cholesterol, Direct

Specimen Type


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

Reference Values




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

Performing Laboratory

ARUP Laboratories

CPT Code Information


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