Indirect Antiglobulin Test

Test Code

IATO - NOCO

Alias/See Also

Antibody Screen (Indirect Coombs), Blood
Indirect Antiglobulin Test
Coombs Indirect Test
Antibody Screen
EMIAT

CPT Codes
86850 - antibody screen; 86870 -antibody identification (if appropriate)

Includes

Note: Includes antibody identification if screen is positive.

Preferred Specimen

10 mL whole blood in original 10 mL Lavender top (EDTA)

Minimum Volume

5 mL
(0.5 mL for pediatric)
Note: For neonate requirements see Neonate Minimum Blood Volumes

Specimen Stability

Whole Blood EDTA Refrigerated 3 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Any Hemolysis, < 5mL for an adult.

Methodology
Micro Typing Systems^TM Gel Test Systems
Solid Phase Red Cell Adherance

Setup Schedule

Monday through Sunday; Continuously

Report Available

Same day

Reference Range

Negative
If positive, antibody identification will be performed.
Critical value (automatic call-back): antibody problems.

Performing Laboratory
Banner Fort Collins Medical Center Laboratory
McKee Medical Center Laboratory
North Colorado Medical Center Laboratory

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.