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TOTAL CHOLESTEROL/HDL RATIO

Test Details
Test Name : TOTAL CHOLESTEROL/HDL RATIO
Alternative Test Names : TOTAL CHOLESTEROL/HDL RATIO
Code: R/RM
Test Overview : Used to determine risk of cardiovascular diseases and assess treatment in dyslipidemias.
Test Preparation Instructions : Physician will determine if fasting (> 10 hours) is required. Hours of fasting must be recorded. Default to 00 hours if none provided. Default to 12 hours if req. indicates fasting specimen but no hours recorded.
Turnaround Time: 1 DAY
Reference Interval:
Age Reference Interval
Sex Low High Component Low High Units Note
M/F
Age
Sex Low High Component
M/F

Reference Interval
Low High Units Note
(1)

<3.5 = BELOW AVERAGE RISK FOR CHD
3.5 - 5.0 = AVERAGE RISK FOR CHD
5.0 - 10.0 = ABOVE AVERAGE RISK FOR CHD
>10.0 = MUCH ABOVE AVERAGE RISK FOR CHD
Risk Categories and Treatment Targets:
________________________________________________________________
| Risk |10-year CAD risk| Recommendations |
|________|________________|____________________________________|
| | | Treatment targets: |
| High | >=20% | Primary target: LDL-C <2.00 mmol/L|
| | | Secondary target: TC/HDL-C <4.0 |
| | | Treat when: |
|Moderate| 10% - 19% | LDL-C >=3.50 mmol/L or |
| | | TC/HDL-C >=5.0 |
|________|________________|____________________________________|
| | | Treat when: |
| Low | <10% | LDL-C >=5.00 mmol/L or |
| | | TC/HDL-C >=6.0 |
|________|________________|____________________________________|
Risk level should be determined using Framingham Risk Factor
score.
Updated guidelines effective April 2/2007 based on Can J Cardiol
Vol 22 No 11 September 2006.

Specimen Requirements
Specimen Type: Serum
Container: SGT
Volume: 1.00mL

Collection Requirements: Centrifuge. Indicate patient's age and sex.
Storage and Transport: N/A

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