Cholesterol/HDL ratio

Alphabetical Test listing

Cholesterol/HDL ratio-3160

Test name:

Test number:

3160

Excellian order number:

LAB3160

Abbreviation:

CHR

Alternate names:

CHD risk
Chol/HDL ratio
Coronary heart disease
Framingham
Lipid screening
non-HDL cholesterol
Pediatric cholesterol
Pediatric lipids

Tests included:

Cholesterol, total
HDL
Cholesterol:HDL ratio (calculated)
Non-HDL cholesterol (calculated)

Useful for:

To assess risk for coronary heart disease (CHD) in adults
To screen for lipid disorders in children

Specimen type:

Lithium heparin (Li hep) plasma

Collection container:

Lt green plasma separator (PST)

Volume:

1.0 mL

Minimum volume:

0.3 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Processing instructions:

Spin within two (2) hours of sample collection

Transport container:

Lt green plasma separator (PST)

Alternate specimen type:

Serum

Alternate collection container:

Gold serum separator (SST) tube

Alternate collection instructions:

Immediately following collection, mix sample by gently inverting 5 times

Alternate processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Alternate transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred) - 7 days

Ambient - 7 days

Frozen - 3 months

For referral testing to LabCorp (ambulatory sites only):

Refrigerated (preferred) - 14 days

Ambient - 3 days

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performing lab:

AHL - Chemistry: C

Reference ranges:

<4.50

CPT codes:

82465 - Cholesterol
83718 - HDL

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

11/21/2017

Revised date:

05/02/2023

Review date:

01/11/2024