Potential Donor Crossmatch (Sendout)

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General Information

Lab Name
Potential Donor Xmatch (Sendout)
Lab Code
RPDC
Epic Name
Potential Donor Xmatch (Sendout)
External Test Id
3103-00, 3104-00 plus 3030-01 (crossmatch) if ABO compatible
Description

Test Information: Initial testing includes type and screens for the potential transplant recipient and potential donor. If the potential donor is ABO compatible with the potential recipient, then a crossmatch is performed. If donor is found ABO incompatible with recipient, a crossmatch is not performed.

Ordering Requirements: Providers should complete a Bloodworks Northwest Request for Blood and Transfusion Testing requisition for each patient.

  • "Recipient" or "Donor" should be specified on each request form. Enter the corresponding donor/recipient information in the designated fields.
  • Potential donor and recipient samples may be submitted to Bloodworks NW separately or at the same time. Samples should be sent out as received.
Forms & Requisitions
Synonyms
3030-01, 3103-00, 3104-00, HSCT Crossmatch
Components
Code Name
RPDABO Recipient ABO (Sendout)
RPDRH Recipient Rh(D) (Sendout)
RPDIAG Recipient Indir Antiglob (Sendout)
RPDCOM Compatibility Test (Sendout)
RPDURD Donor URD No. (Sendout)
S2PDC Potential Donor Xmatch Testing Lab

Interpretation

Method

Solid phase, gel, and tube

Reference Range
See individual components

Ordering & Collection

Specimen Type
Blood
Collection

Preferred: 6 mL blood in PINK TOP (EDTA) tube

  • Also Accepted: 6 mL blood in LAVENDER TOP (EDTA) tube

Unacceptable: SST or GEL tubes

Dual Signatures Required:

  • At the time of collection, a two-person verification of positive patient identity must be performed in the presence of the patient by the person collecting the specimen and a second qualified staff member. This includes a verbal read back of the full legal name, spelling of the legal name, and MRN as it appears in the medical record.
  • Both people performing verification must sign or initial the sample label(s).
  • Write the collection date and time on the sample label.
  • Signatures of both verifiers are requested on the Bloodworks Northwest form. (This is not required for testing as long as dual verification is documented on the sample label.)
Forms & Requisitions
Quantity
Requested: 6 mL EDTA whole blood
Minimum: 6 mL EDTA whole blood

Processing

Receiving Instructions

Store and transport whole blood at ambient temperature.

  • Review the sample label(s) and requisition form for accuracy. Dual verification signatures are required on the sample label(s) only.
  • Package sample(s) with the associated requisition in a biohazard bag (one patient per bag). Orders received with multiple patient samples/requisitions in the same biozard bag will be rejected by Bloodworks NW.
  • Send samples as received to Bloodworks Northwest via DLMP or Delivery Express courier.
  • Donor and recipient samples may be sent at the same time or separately. Do not delay transport if only one is received.
    • Recipient samples are held at Bloodworks for 72 hours after collection.
    • Donor samples are held at Bloodworks for 14 days after collection.
Misc Sendout

Performance

Lab Department
Transfusion Support(TS)
Frequency
Performed: Daily.
Available STAT?
No
Performing Location(s)
Sendout Bloodworks Northwest Central TSL/Immunohematology Reference Laboratory

921 Terry Ave
A-Level
Seattle, WA 98104

Central Transfusion Support Lab (TSL): 206-689-6525

Immunohematology Reference Lab (IRL): 206-689-6534
Other Locations/Notes

Bloodworks Northwest Transfusion Services/Compatibility Testing Lab: (206) 689-6525

Billing & Coding

CPT Codes
86850, 86900, 86901
LOINC
30896-5