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 |
|
CPT Codes
86900, 86850, 86901
Panel Components
- ABORh
- Antibody Screen
- Option to select blood products (RBC, FFP, PLT, Cryo)