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Test Code Type and Screen, Extended Extended Type and Screen

Useful For

If the patient has been transfused in the preceding 3 months with blood or a blood component containing allogeneic red cells, has been pregnant within the preceding 3 months, or if the history is uncertain or unavailable, a sample shall be obtained from the patient within 3 days of the scheduled transfusion. Day 0 is the day of draw. When patients have been free from sensitizing events for at least 3 months, samples may be used for up to 14 days or 3 days after the first transfusion (not to exceed 14 days from date of draw).

Patient Preparation

No special patient preparation required

Special Collection Instructions

Sample labeling requirements:
For all patients over the age of four months, when sample is intended for transfusion purposes:

  • A Blood Bank ID armband must be attached to the patient’s wrist at time of blood draw.

  • The tube may be either labeled by hand at the bedside with ink on an adhesive label or with a computer-generated label. Either label must contain the following information:
    • Complete first and last name. It is acceptable to hand write name if cutoff on computer label.

    • Medical record number

    • Date and time of collection

    • Name or initials of the person collecting the sample.

    • Blood Bank ID armband identifiers should be on tube, either in sticker form or hand written.

  • NOTE: Sample will need to be redrawn if missing any of the above information.

For patients under the age of four months, when sample is intended for transfusion purposes and/or cord blood samples:

  • Complete first and last name

  • Medical record number

  • Date and time of collection

  • Name or initials of the person collecting the sample.

Collection Method

Venipuncture

Minimum Volume

2 mL

Container

Pink Top EDTA

Preferred Specimen

5 mL EDTA Whole Blood

Acceptable Specimens

EDTA Whole Blood

Reference or Target Ranges

Not defined for this assay

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold
N/A
Icterus Threshold
N/A
Lipemia Threshold
N/A
Interfering Substances/Other
Missing any of the following: Complete first and last name, Medical record number, Date and time of collection, or Name or initials of the person collecting the sample.

Specimen Stability

Ambient
72 Hours
Refrigerated (4°C to 8°C)
72 Hours
Frozen(-70°C to -20°C)
N/A

Performance Information

Days and Time Performed
24/7
Expected Turn Around Time
within 4 hours of arrival in lab
Stat Availability
No
Performing Bench
UH Blood Bank, WCH Blood Bank
Methodology/Method Description

Ortho Vision Analyzer Gel Cards
Manual Tube Method
Gel Cards

CPT Codes

86900, 86850, 86901

Panel Components

  • ABORh
  • Antibody Screen
  • Option to select blood products (RBC, FFP, PLT, Cryo)