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D-Dimer
X443
| Methodology: | Turbidimetric immunoassay |
| Performed: | Sun-Sat |
| Reported: | 24 hours |
| Specimen Required: | Patient Preparation: None required. Collect: Sodium citrate 3.2% (Light Blue-top) tube – 0.5 ml plasma Specimen Preparation: Draw blood into a light blue top tube containing 3.2% trisodium citrate. Fill to the proper level, indicated by a fill line on the tube. Tubes must be at least 90 % full. DO NOT OVER-FILL OR UNDERFILL COLLECTION TUBE. Gently invert six times to mix. Centrifuge the citrated blue-top tubes as soon as possible (within 60 minutes) at adequate time and speed to obtain platelet-poor plasma. Using a plastic pipette, remove 0.5 ml of plasma and transfer to a plastic aliquot tube and label with patient’s name and a second patient identifier (e.g., date of birth, medical record number). Storage/Transport Temperature: Refrigerated. NOTE: Separate specimens must be submitted when multiple tests are ordered. Unacceptable Conditions: Serum. EDTA plasma, or hemolyzed specimens. Stability: Unopened light blue-top tube: Room temperature: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable Separated-platelet poor plasma: Room temperature: 48 hours; Refrigerated: 48 hours; Frozen: 14 days Reject Criteria: •Underfilled tubes (< 90 % full) OR Over-filled •Incorrect anticoagulant or anticoagulant ratio(e.g.,>3.2% trisodium citrate or EDTA, etc.) •Clotted specimens •Specimen received with mismatched or no patient identifiers. •Specimen received outside of stability requirements. NOTE: * This test is approved for all states. * Performing Lab Accu Reference Medical Laboratory |
| CPT Code(s): | 85379 |