Low-density Lipoprotein Cholesterol (Direct)
Test Code: 120295
Performing Lab: LabCorp
CPT Code: 83721 001
Synonym
Direct LDL; Direct LDLC; LDL Cholesterol, Direct; LDLC, Direct
Specimen Type
Serum (preferred) OR plasma
Specimen Container
Red-top tube, gel-barrier tube, OR green-top (lithium heparin) tube; do NOT use oxalate, EDTA, or citrate plasma.
Volume
1 mL
Minimum Volume
0.7 mL (NOTE:This volume does NOT allow for repeat testing).
Specimen Handling
Separate serum or plasma from cells within 45 minutes of collection.
Patient Prep
Patients are not required to fast prior to blood collection. Nonfasting and fasting samples can be used. Nonfasting results are slightly lower than fasting results.
Unacceptable Conditions
Use of anticoagulants containing citrate
Temperature
Room temperature
Methodology
Enzymatic/spectrophotometric without sample pretreatment
Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 120297 | LDL Chol. (Direct) | 18262-6 |
| 011924 | LDL Direct Comment: | 77202-0 |
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