Cholesterol, Total is a topic covered in the Davis's Lab & Diagnostic Tests.

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Common Use:
To assess and monitor risk for coronary artery disease.

Serum collected in a gold-, red-, or red/gray-top tube. Plasma collected in a green-top (heparin) tube is also acceptable. It is important to use the same tube type when serial specimen collections are anticipated for consistency in testing.

Normal Findings:
(Method: Spectrophotometry)

RiskConventional UnitsSI Units (Conventional Units × 0.0259)
Children and adolescents (less than 20 yr)
 DesirableLess than 170 mg/dLLess than 4.4 mmol/L
 Borderline170–199 mg/dL4.4–5.2 mmol/L
 HighGreater than 200 mg/dLGreater than 5.2 mmol/L
Adults and older adults
 DesirableLess than 200 mg/dLLess than 5.2 mmol/L
 Borderline200–239 mg/dL5.2–6.2 mmol/L
 HighGreater than 240 mg/dLGreater than 6.2 mmol/L
Plasma values may be 10% lower than serum values.

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