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D-Dimer, Quantitative

Tube Type = Light Blue Top

Tube Type

Test ID LAB313
EPIC Order D DIMER QUANTITATIVE
CPT Code(s) 85379
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station 30 Routine: 888 STAT
Specimen Routine: 2.7 mL Blood/Lt Blue Sodium Citrate tube; See Comments
Pediatric: 1.8 mL Blood Pediatric Lt Blue Sodium Citrate tube
Stability Unspun: 4 hours
Room Temperature:
4 hours
Refrigerated:
NO
Frozen:
14 days (plasma only)
Availability Routine: 24 hours/day
STAT: Yes
Turnaround Time Stat 1 hr; Routine 2hrs
Reference Range Normal: <500 ng/mL
VTE (DVT/PE)
Negative Predictor Value:		 <500 ng/mL
Comments
  • Deliver Immediately.
  • Draw tube must be allowed to fill completely.
  • Short draws will be rejected.

Reviewed by J. Carr on November 19, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514