CHOC: Chain of Custody Information

• Class: Samples, Amalgamated Specimens and Laboratory Test Scheduling

Heading	Unit	Type	Example	Description
LOCA_ID		ID	327-16A	Location identifier
SAMP_TOP	m	2DP	24.55	Depth to top of sample
SAMP_REF		X	24	Sample reference
SAMP_TYPE		PA	U	Sample type
SAMP_ID		ID	ABC121415010	Sample unique global identifier
CHOC_REF		ID	A1241/1	Chain of custody reference
CHOC_FROM		X	ACME Sampling Ltd	Samples despatched from
CHOC_TO		X	ACME Laboratories plc	Samples despatched to
CHOC_DDIS	yyyy-mm-dd	DT	20/09/2009	Date dispatched
CHOC_BTCH		X	S234-1	Batch reference
CHOC_REM		X		Remarks
CHOC_CONT		0DP	1	Number of sample containers
FILE_FSET		X	FS99	Associated file reference (chain of custody sheets)

Notes - 1

• The CHOC group is used to transfer chain of custody information relating to samples.