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Bleeding Screen Routine

eDH Procedure Code(s)

LAB3932 Bleeding Diathesis Screen

Order Questions

LAB3932 Bleeding Diathesis Screen
  • Relevant Patient History:
  • Relevant Family History:
  • Aspirin, NSAIDS, or Antiplatelet drugs?
  • Warfarin, Heparin, Other anticoagulant?
  • Is Platelet Function testing required?

Collection Information

Blue top tubes must be filled within 10% of the stated volume. A discard tube must be used if a citrate tube is to be drawn using a winged blood collection set. It is important to remove air from the blood collection set to ensure the proper blood volume is obtained in the coag tube.
If the patient has a known hematocrit >55%, please contact the coagulation lab for an adjusted collection tube before drawing the blood.

Specimen Information

Specimen Type Specimen Source Acceptable Containers Minimum Test Volume (mL)
Blood Blood, Venous BluCit-F 1.0
Blood Blood, Venous Adjusted-F 1.0

Shipping and Handling

Processing Instructions: Send Lavender top tube at room temperature < 24 hours old. (Refrigerated up to 36 hours). Double spin, separate, freeze plasma from Blue top tubes

Transport Temperature: Frozen
Transport Instructions: Double spin, separate, and freeze.

Specimen Stability Unprocessed
Unprocessed: 4 hours
Specimen Stability Post Processing
Ambient: 4 hours
Frozen: 2 weeks

Test Components

Component LOINC Code
FIBRINOGEN 3255-7
INTERNATIONAL NORMALIZATION RATIO 6301-6
PARTIAL THROMBOPLASTIN TIME 14979-9
PROTHROMBIN TIME 5902-2
THROMBIN TIME 3243-3

Turnaround Time (TAT)

STAT 1 Hour
Routine 4 Hours

CPT Code(s)

85610
85730
85670
85384

Performing Lab Section

Coagulation

Performing Lab(s)

Dartmouth Hitchcock Medical Center Laboratory (MHMH)