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Lab Test Dictionary

Chimerism, Post Transplant Split (T Cell and Myeloid)


Polymerase Chain Reaction (PCR); Fragment Analysis

Specimen Type

Whole Blood

Performing Lab

UCSD Clinical Genomics

Epic ID


Lab Test Days


Standard TAT

5-7 Days

Collection Information

Specimen Required

5-10 mL Whole Blood

Container Type

Yellow (ACD), Soultion A

Collection Instructions

Collect Monday-Friday before 1200. It is not recommended to collect on weekends or holidays. IF WBC is low, must call UCSD Immunogenetics 858-657-5776 for an adequate draw amount. Whole blood or bone marrow collected in an EDTA (lavender-top) tube is also acceptable. RCH BMT Transplant Coordinator must submit a completed UCSD Immunogenetics requisition with specimen to lab.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 3 Days; Refrigerated: 1 Week; Frozen: Unacceptable

Test Volume Required

10 mL Whole Blood

Minimum Test Volume

5 mL Whole Blood

Processing Instructions

Submit a completed UCSD Immunogenetics requisition with specimen room temp Monday-Friday before 1400. Deliver to UCSD the same day as collected. If specimen is received without a completed UCSD Immunogenetics requisition, contact RCH BMT Coordinators at x3676.

CPT Codes

81268 (x2)