D-DIMER

Message

DDIMER-FILL TUBE TO PROPER LEVEL

Test Code

DDIMER

CPT Codes
85379

Preferred Specimen

Platelet poor citrated plasma (3.2 % Na Citrate tube (Blue Top))

Minimum Volume

0.5 mL

Instructions

DDIMER-FILL TUBE TO PROPER LEVEL

Transport Temperature

Refrigerated unless transport greater than 4 hours. If greater than 4 hours freeze and ship frozen.

Specimen Stability

Room Tempearture: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks. Frozen plasma samples must be rapidly thawed at 37C and tested immediately after thawing. If testing is delayed, the sample may be held for 2 hours at 4C until tested.

Clinical Significance

D-Dimer is contained in the soluble derivatives formed upon plasmin degradation of Factor XIIIa cross-linked fibrin (XDP). These soluble fibrin degradation products contain a neoantigen (D-Dimer domain), which is not present on the original fibrinogen molecule, its degradation products or on soluble fibrin.

Last Updated: February 27, 2018

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.