Test Name

Cholesterol
Total

Test Code

207

Unit

mg/dL

Station

Chemistry

Synonym Name/Abbreviation

Chol

CPT Code

82465

Performing Facility

American Medical Labs, Herzliya
Pituah

Analyzer

Roche cobas 6000

Test Method

Enzymatic colorimetric

AML Preferred Tube

5 mL SST gel

Storage Instructions

Refrigerated.

Separate serum from cells within 45 minutes;

Stability:

7 days at 15 to 25 ^oC

or at 2 to 8 ^oC

3 months at -15 to -25 ^oC.

Min. Volume

1 mL

Comments

Fasting is not important for cholesterol analysis but for
determining other lipids, eg
triglycerides

Turn-Around-Time

One day.

Intended Use

Evaluate lipid status and metabolic disorders; relates to
coronary heart disease risk; increased in early hepatitis, nephrotic
syndrome, hypothyroidism; decreased in malnutrition, malabsorption,
hyperthyroidism, myeloma and Tangier
disease.

Limitations

Large number of drugs affect cholesterol. For evaluation of
CHD, cholesterol is best measured with other risk factors. In rare cases
of gammopathy, unreliable results may be obtained.

Measuring range: 3.86 to 800
mg/dL.

Patient Preparation

Patient should be fasting 9-12 hours prior to sampling;
abstinence from alcohol 72 h is
desirable.

Reasons for Rejection

Improper labeling.

Adult Reference Ranges

Desirable: <200 mg/dL

Borderline high: 200-239 mg/dL

High = >240 mg/dL

(National Cholesterol
Education Program (NCEP), ATP III guidelines
recommendations)