Test Code ABID ANTIBODY IDENTIFICATION
Methodology
Gel System - Indirect Coombs
Antibody identification is performed when the results of the antibody screen portion of TS “Type and Screen, Blood” are positive. The identification can usually be completed in a few hours, but occasionally reference laboratory consultation is necessary.
Specimen Requirements
Submit only 1 of the following specimens:
PREFERRED:
Pink-Top Tube
Container/Tube: Pink-top (EDTA tube) - Plain, red-top tube or serum gel tube is not acceptable.
Specimen Volume: 6mL of whole blood (minimum volume: Contact Blood Bank)
Collection Instructions: Forward promptly in original tube(s).
Alternate:
Lavender-Top Tube
Container/Tube: Lavender-top (EDTA) tube(s)-Plain, red-top tube or serum gel tube is not acceptable.
Specimen Volume: 3 mL to 4mL of whole blood (minimum volume: Contact Blood Bank)
Collection Instructions: Forward promptly in original tube(s).
Unacceptable:
- Hemolyzed Specimens
- Mislabeled or unlabeled Specimens
- Illegible specimen labels - NO GEL PENS
NOTE:
- Include report of diagnosis and history of transfusions, pregnancy, and drug therapy.
- Specimen being drawn may result in a possible transfusion. Specimen must be completely labeled as follows.
- Identify patient by asking them to state their name. If patient cannot identify himself or herself, find someone who can positively identify patient.
- When labeling Blood Bank pre-transfusion specimens, use Mobilab or a two person patient identification verification. Include both the collector's mnemonics and the verifier's mnemonic on the specimen label.
- Label specimen as follows prior to leaving patient’s side. Using a ballpoint pen (no gel).
- Patient’s full name
- Patient’s birthdate
- Date and time of draw
- Collector's mnemonic
- Verifier's mnemonic - not required if using Mobilab
Send labeled specimen to the laboratory.
* For 14 day specimens include a completed Outpatient/Pre-Admit Transfusion Medicine Identification (Blood Product) Form.
Forms:
- Outpatient/Pre-Admission Transfusion Medicine Identification Form
- See "Requisitions" in Special Instructions for a copy of the form.
- Include -
- Patient’s full name
- Patient’s birthdate
- Date and time of draw
- Collector's mneimonic
- Verifier's mnemonic - not required if using Mobilab
- Transfusion History
Day(s) Test Set Up
Monday through Sunday
Reference Values
No clinically significant antibodies
Performing Laboratory
Logan Health Medical Center Laboratory
Test Classification and CPT Coding
86870
Specimen Transport Temperature
Refrigerate - 2 to 8oC