TEST DIRECTORY | MIDx Labs

HIGH-DENSITY LIPOPROTEIN (HDL, MEASURED)

Inversely associated with cardiovascular risk and used alongside other lipid markers to assess overall cardiac risk profile.

LIS TEST CODE: HDL

CPT CODE: 83718

ALIASES: HDL, Direct HDL

METHODOLOGY: Accelerator Selective Detergent

SPECIMEN:

- Type: Serum

- Container: Gold Top (SST) Vacutainer

- Minimum Volume Required: 1 mL

- Storage/Handling: Allow 30 minutes for blood to clot, then centrifuge specimen at 3500 RPM for 10 minutes. Maintain specimen at room temperature, in the refrigerator, or in the freezer until testing can be performed.

NOTE: If freezing is required to preserve stability, transfer serum into a separate plastic screw-cap transport container.

- Stability:

Room Temperature (20-25 °C): 2 days

Refrigerated (2-8 °C): 7 days

Frozen (-20 °C or colder): 3 months; avoid multiple freeze/thaw cycles.

- Turnaround Time: 24 hours from receipt.

Special Instructions: N/A

REJECTION REASONS: QNS, Gross Hemolysis, Gross Lipemia, Contamination, Stability Violation, Expired Container, Incorrect Container

REFERENCE RANGES:

Males (mg/dL)

>= 2 years of age: >= 40

Females (mg/dL)

2 - 17 years of age: >= 40

>= 18 years of age: >= 50