Bar Codes

All tissue processes are documented and controlled. A key element in this documentation is the use of bar codes. Not only do they appear on the tissue labels, but also on internal documents and transplant records. The use of bar codes simplifies labeling, facilitates data entry, limits entry errors, and expedites record access. The in-house bar code label printer is part of the computer system, so the program controls printing.

Tissue/Processing Codes

Each tissue is identified by a donor and deposit number and a 5-digit tissue code. The donor and deposit numbers are used to link each tissue to the donor and to its processing records. The 5-digit tissue code identifies the tissue. The first three digits of this code identify the type of tissue and if it is from left or right, if relevant. The fourth digit indicates the processing method, as indicated below. The fifth may provide information about quantity or size. Tissue codes are translated into bar-codes to facilitate record-keeping.

Coding Examples

The fourth digit identifies the processing method:

CC022 = freeze dried    FHR10 = frozen    TNL60 = cryopreserved

Frozen Freeze dried Frozen Irradiated Freeze dried Irradiated Demineralized Cryopreserved Demineralized Irradiated
The tissue barcode only identifies the tissue type.		TISSUE ID #
The first 5 digits of the donor ID barcode identifies the donor number, and the last 3 digits identifies the deposit number specific to that tissue.		DONOR ID #