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Compatibility Testing Laboratory

Routine Crossmatch

  • Transaction Codes: 3103-00 (ABO/Rh)
  • CPT Code (Suggested): 86900, 86901
  • Transaction Codes: 3104-00 (Antibody Screen)
  • CPT Code (Suggested): 86850
  • Transaction Codes: 3010-00 (Type Confirm Unit)
  • CPT Code (Suggested): 86900-Modifier 32
  • Transaction Codes: 3035-00 (Crossmatch Electronic)
  • CPT Code (Suggested): 99090
  • Transaction Codes: 3015-00 (Crossmatch AHG)
  • CPT Code (Suggested): 86922
  • Transaction Codes: 3020-00 (Crossmatch Immediate Spin)
  • CPT Code (Suggested): 86920
  • Transaction Codes: 3143-00 (Red Cell Phenotype/Per Negative Antigen)
  • CPT Code (Suggested): 86903 (x#)

To order, use Request for Blood form.

Used for non-emergency whole blood or red blood cell transfusions to determine compatibility between recipient and donor(s). Testing includes ABO/Rh and antibody screen on the recipient performed to confirm ABO compatibility. If antibody screen is negative, and patient meets criteria, an electronic crossmatch is performed. If antibody screen is positive or patient has history of red blood cell alloantibody, an antiglobulin crossmatch is performed and antigen negative units are issued.

  • Normal Test Values: Compatible
  • Analytic Time: 4 hours, 8 hours, or next day (depending on request)
  • Days Test is Set Up: Monday-Sunday
  • Sample Required: > 5 years old, one full 7 ml EDTA; 1-5 years old, one full 3 ml EDTA; < 1 year old, 2 full 0.5 ml EDTA microtainers
  For questions call the
laboratory: 206-292-6525