Release 4 HL7 v3 Code System EntityHandling

Vocabulary Work Group Maturity Level: N/AExternal Use Context: Any

This code system ( is defined as part of HL7 v3.


Defining URL:
Title:v3 Code System EntityHandling


OID:2.16.840.1.113883.5.42 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

Release Date: 2018-08-12

1AMB Ambient Temperature Keep at ambient temperature, 22 +/- 2C
1C37 Body Temperature Critical to keep at body temperature 36-38C
1CAMB Critical Ambient temperature Critical ambient - must not be refrigerated or frozen.
1CATM Protect from Air Critical. Do not expose to atmosphere. Do not uncap.
1CFRZ Critical frozen Critical frozen. Specimen must not be allowed to thaw until immediately prior to testing.
1CREF Critical refrigerated temperature Critical refrigerated - must not be allowed to freeze or warm until imediately prior to testing.
1DFRZ Deep Frozen Deep Frozen -16 to -20C.
1DRY dry Keep in a dry environment
1FRZ frozen Keep frozen below 0 ?C
1MTLF Metal Free Container is free of heavy metals, including lead.
1NTR nitrogen Keep in liquid nitrogen
1PRTL Protect from Light Protect from light (eg. Wrap in aluminum foil).
1PSA do not shake Do not shake
1PSO no shock Protect against shock
1REF Refrigerated temperature Keep at refrigerated temperature:4-8C Accidental warming or freezing is of little consequence.
1SBU Shake before use Shake thoroughly before using
1UFRZ Ultra frozen Ultra cold frozen -75 to -85C. Ultra cold freezer is typically at temperature of dry ice.
1UPR upright Keep upright, do not turn upside down