Prospera Transplant Assessment

Abbrev Code:PROSPR   
Order Code:LAB8224Order Name:Prospera Transplant Monitoring
Synonyms:dd-cfDNA; Kidney Transplant Rejection
Methodology:Next generation sequencing
CPT Codes: 81479 x1
Turnaround Time:Specimens are sent to the reference laboratory Mon-Fri; results are reported within 5 days.
Special Instructions:A provider completed requisition, including kit collection barcode, must accompany each specimen. Validated for 10 years and up.

Collection Instructions

Optimal Volume:20 mL
Container:Brown/Black Streck tube provided in collection kit available from Sendout lab or CSC lab
Collection Instructions:
  • Use Natera collection kit containing 2 special brown/black streck cell-free tubes.
  • Collect 8-10 mL minimum of each tube with a 21G or larger needle. Do not use butterfly needle. If insufficient volume is obtained, please draw an additional tube.
  • Mix tubes by gently inverting tube at least 10 times. Do not shake vigorously. Do not seal with paraffin film.
  • Complete information on collection tube. Do not cover tube barcode or expiration date.
Causes for Rejection:Expired Streck collection container. Refrigerated or frozen temperatures.

Processing and Shipping

Specimen Processing:Do not process. Store at room temperature.
Shipping Instructions:Ship at room temperature. Protect from temperature extremes.
Stability:7 days at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (Natera)


Reference Range:By report.
Use:No indicated for patients less than 2 weeks after transplant, pregnant, recipient of multiple organ transplants or allogeneic stem cells transplant or an allograph from an identical twin.

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