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Lab Test Dictionary

Type and Screen


Synonyms

TSCR, Type and Crossmatch

Specimen Type

Whole Blood

Performing Lab

RCHSD Blood Bank


Epic ID

LAB276

Lab Test Days

As received

Standard TAT

1-3 Hours

Stat TAT

1 Hr


Collection Information

Container Type

EDTA (Lavender-Top) Tube

Collection Instructions

Specimens must be double initialed by the collector, and another staff member that can verify the patient's identity against the order, specimen label and patient demographics. Specimen cannot be shared with other lab tests except BB HOLD and DIRECT COOMBS. Microtainers are not acceptable for Blood Bank testing. Exception: Neonates (less than 4 months old)-FULL microtainers are acceptable only. For rare cases (e.g., low birth weight, hard stick, or difficulty obtaining another sample), notify the Blood Bank ahead of time before collecting a microtainer.


Processing Information - Lab Use Only

Rejection Criteria

Clotted; Specimen not double initialed; Hemolyzed; Shared with other lab tests (not Blood Bank) tests; Microtainers (exception for neonates less than 4 months of age)

Test Volume Required

3 mL Blood

Minimum Test Volume

1 mL Blood (0.5 mL for neonates less than 4 months old only)

Processing Instructions

Deliver sample to Blood Bank.


Included Tests

ABO typing, RH typing, and Antibody screen (indirect coombs)


CPT Codes

86901, 86850, 86900


Revised

1/22/26

Initials

SA