Human Erythrocyte Antigen Phenotype

Label Mnemonic:	HEAP
Epic code:	LAB7411
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

DeGowin Blood Center - Blood Bank
C271 GH
356-2561

Specimen(s):

Whole Blood

Specimen Instructions:

Testing requires a dedicated collection tube.

Collection Medium:

	or		or
Pink top tube 6 mL (K2-EDTA)	or	Lavender top tube 3 mL (EDTA)	or	Buccal Swab

Minimum:

Adult Preferred Minimum: 6 mL whole blood from a pink K2-EDTA tube
Pediatric Preferred Minimum: 3 mL whole blood from a lavender EDTA tube
Pediatric Absolute Minimum: 1 mL whole blood from a lavender EDTA tube

Collect using a Cotton or Dacron swab.
Patient should not have consumed any food or beverages for 30 minutes prior to collection.
The swab should be scraped firmly 6 times against the inside of each cheek.
The swab should be air dried for at least 2 hrs post collection.

Turn Around Time:

7-14 days (Monday through Friday).

Comments:

This test determines the patient's red cell antigen genotype for common blood groups. A pre- or post-transfusion sample can be used. The results are often used in the selection of blood for patients with hemoglobinopathies or multiple antibodies who are likely to receive chronic transfusions.

Testing is performed by ImpactLife.

Methodology:

Microarray-Based Molecular Genetic Assay

CPT Code:

81479