Antibody Screen
Label Mnemonic: ABSC
Epic code: LAB4402
Order form: DeGowin Blood Center Requisition
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 86850
Specimen(s):
Plasma
Collection Medium:
Pink top tube 6 mL (K2-EDTA)
Minimum:
Adults (18 years and older): Full 6 mL Pink top tube
Pediatrics (1 year through 17 years old): Full 3 mL Lavender top tube
Pediatrics (4 months up to 1 year old): 1 mL in a 3 mL Lavender tube
Neonates (0 through 3 months old): 0.5 mL in Lavender Microtainer®

If these age/container guidelines are not followed, it will result in a rejected sample and a new one will have to be collected.
Rejection Criteria:
Specimen must be labeled with patient's first and last name and medical record number. Specimens will be rejected if information is not on the label when received.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
1 hour (upon receipt in laboratory)
Reference Range:
A negative result means that antiglobulin technique revealed no red cell allo-antibodies using a broad selection of screening antigens.
Comments:
An antibody identification will be done automatically if the antibody screen is positive, unless the ordering physician specifically prohibits reflex testing.
Methodology:
tube or solid phase red cell adherence assay
Instructions:
If specimen is received in the laboratory greater than 24 hours from time of collection and has not been refrigerated, it will be rejected.
Sample Processing:
Invert tube gently several times to mix blood.
Label transport tube with patient last name, first name, identification number, date and time of collection.
Do Not Centrifuge.
Submit whole blood in original container.
Sample Storage:
Room temperature or refrigerate if stored overnight.
Transport Instructions:
Place requisition into outside pocket of bag.
Place specimen into zip-lock type bag, seal bag.
Place specimen into Styrofoam container, seal container.
Ship at room temperature.
CPT Code:
86850
 
See also:
Antibody Identification, Plasma