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Test Code RHI Rh-IG, Issue, Prenatal

Methodology

Direct and Indirect Agglutination

Reflex Testing: If antibody screen is positive, then antibody identification and antigen typing will be performed. Antibody titer may be performed.  If blood type is not in laboratory medical record, ABO and Rh typing will be performed.

Performing Laboratory

Munson Healthcare Laboratories

Specimen Requirements

Container/Tube: Pink-top (EDTA) tube

Specimen Volume: 3 mL of whole blood in pink-top tube

Transport Temperature: Refrigerate
Collection Instructions: Patient must wear a hospital wristband. Verify patient identity using two identifiers prior to collection. Hand label specimen directly from patient’s hospital wristband using indelible black ink. Legibly write the patient’s full name and medical record number, collect date and time, and collector’s initials. Forward promptly.

Reference Values

Not applicable

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

86850-Antibody Screen

86870-Antibody Identification (if appropriate)

86905-Antigen Typing (if appropriate)

86886-Antibody Titer (if appropriate)

86900-ABO (if appropriate)

86901-Rh (if appropriate)