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TYPE AND SCREEN

Synonym

Type and Antibody Screen

Includes

ABO and Rh Type and Antibody Screen. Antibody Identification will be performed for all positive screens. An Antiglobulin Crossmatch will be performed for patients with positive screens when transfusion is anticipated.

Guidelines

Determination of ABO, Rh, and possible presence of antibody. Indicated for the preoperative patient with only a low likelihood of intraoperative transfusion. Also used to screen for possible maternal-fetal blood incompatibility.

Specimen Collection Requirements

Patient Preparation

Patient should have patient identification wristband at the time of phlebotomy. Correct identification of the patient is critical.

Collect

Adult: Two full 4.0 mL lavender (EDTA) top tubes Neonates <4 months: Two full lavender top microtainer tubes Pediatrics ≥4 months: 3-6 full lavender top microtainer tubes

Handling

Tubes must be labeled appropriately. See Blood Bank Specimen Collection Guidelines.

Preferred Volume

Two full 4.0 mL lavender (EDTA) top tubes

Minimum Volume

Two lavender (EDTA) top microtainer tubes (Whole Blood 1.0 mL minimum draw). Neonates <4 months: One lavender (EDTA) top microtainer tube (Whole Blood 0.5 mL minimum draw)

Transport

Ambient or refrigerated

Rejection Criteria

Gross hemolysis, incorrect specimen container, incorrectly labeled or frozen

Stability

Ambient: 24 hours; Refrigerated: 3 days; Frozen: Unacceptable

Testing Information

Performed

7 days/week

Reported

2-24 hours for routine testing

Method

Serologic

Reference Values

CPT Codes

86900, 86901, 86850

Last Updated: Thursday, March 14, 2019 12:51:13 PM


Client Services: 503-413-1234