Skip to Content
UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: ABO and Rh Typing

Test Code(s): GRH / ABO

CPT Code(s): 86900, 86901

Test Description: Test Component:

ABO group and Rh type

Included In: This test is included in Type and Screen and Type and Crossmatch.

Methodology: Hemagglutination, Microtube Column Agglutination, or Solid-Phase

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 8 hours.

Specimen Requirements

Specimen: Blood

Collection Instructions: Indicate collection date and time on specimen.

Collection Container: Preferred: Lavender top
Also Acceptable: Pink top tube

Collection Volume: Preferred: 4 mL
Pediatrics: 1 mL

Sample Analyzed: Red cells and plasma

Specimen Processing: Do not open or centrifuge tube.

Specimen Transport: Transport specimen to UWHC Transfusion Service (C7/381) or send to tube station 134.

Unacceptable Criteria: Specimens collected in red cap with yellow ring (SST) tubes, or green cap with yellow ring (PST) tubes, are not acceptable.

Stability: Ambient: 24 hours
Refrigerated: 3 days
Frozen: Not acceptable


Blood type

Back to Lab Test Directory Index