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Test Code Billings Clinic: 4020 Cholesterol, Total, Plasma and Serum

Important Note

Venipuncture should occur prior to N-Acetyl Cysteine (NAC) or Metamizole (Sulpyrine) administration due to the potential for falsely depressed results.

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Evaluation of cardiovascular risk

Methodology

Enzymatic

Specimen Requirements

  • Patient must be fasting (12-14 hours preferred) with water only, no tea or coffee, and must not consume any alcohol for 24 hours prior to specimen being drawn.
  • Patient’s age and sex are required on request form for processing.

 

Submit only 1 of the following specimens:

Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

 

Plasma

  • Draw blood in a green-top (lithium heparin) tube(s).
  • Spin down and send 1.0 mL of heparinized plasma frozen.

 

Serum

  • Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
  • Spin down and send 1.0 mL of serum frozen

Storage/Stability

Specimen Type Temperature Time
Plasma, Serum Refrigerated 2 days
  Frozen (preferred) 1 month
  Ambient 8 hours

 

Reject Due To

  • Specimens collected in the incorrrect tube

Reference Values

1 day - 19 years:   150 - 170 mg/dL
20 - 29 years:        150 - 200 mg/dL

30 - 39 years:        150 - 220 mg/dL

>40 years:                   < 200 mg/dL

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82465 - Cholesterol, serum or whole blood, total


LCD or NCD test. ICD-10 code is required for this test. When appropriate, obtain a properly executed ABN and submit the ABN with test order(s). See “Medical Necessity and Advanced Beneficiary Notice (ABN) Policy and Form” under "Resources" for a copy of a form and additional information.

LOINC Code Information

Reporting Name

LOINC Code

Cholesterol

2093-3