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Compatibility Testing Laboratory

Preadmission Crossmatch

  • Transaction Codes: 3103-00 (ABO/Rh)
  • CPT Code (Suggested): 86900, 86901
  • Transaction Codes: 3104-00 (Antibody Screen)
  • CPT Code (Suggested): 86850
  • Transaction Codes: 3035-00 (Crossmatch Electronic)
  • CPT Code (Suggested): 99090
  • Transaction Codes: 3015-00 (Crossmatch AHG)
  • CPT Code (Suggested): 86922
  • Transaction Codes: 3010-00 (Type Confirm Unit)
  • CPT Code (Suggested): 86900-Modifier 32
  • Transaction Codes: 3020-00 (Crossmatch Immediate Spin)
  • CPT Code (Suggested): 86920

To order, use Preadmission Request for Blood form.

For patients who have not been transfused or pregnant in the preceding three months, pretransfusion testing can occur at the time of other preoperative laboratory work. Please note: requires the ordering facility to designate a coordinator and to submit written procedures to the Compatibility Testing Laboratory for review. (For more detail, refer to the Blood and Blood Component Reference Manual/Ordering Blood and Components: Preadmission Ordering.)

  • Normal Test Values: Compatible
  • Analytical Time: 8 hours
  • Days Test is Set Up: Monday-Sunday
  • Sample Required: > 5 years old, 2 full 7 ml EDTA; 1-5 years old, 1 full 3 ml EDTA
  For questions call the
laboratory: 206-292-6525