Properties
This code system defines the following properties for its concepts
| Name | Code | URI | Type | Description |
| status | status | http://terminology.hl7.org/CodeSystem/utg-concept-properties#status | code | Status of the concept |
| deprecated | deprecated | http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecated | code | Version of HL7 in which the code was deprecated |
| V2 Concept Comment | v2-concComment | http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment | string | V2 Concept Comment |
| HL7 Concept Usage Notes | HL7usageNotes | http://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotes | string | HL7 Concept Usage Notes |
Concepts
This case-sensitive code system http://terminology.hl7.org/CodeSystem/v2-0255 defines the following codes in a Is-A hierarchy:
| Code | Display | Definition | status | V2 Concept Comment | HL7 Concept Usage Notes |
| * | (asterisk) Life of the "unit" | (asterisk) Life of the "unit" | D | Used for blood products. | Deprecated March 2016; use code LU instead. |
| 30M | 30 minutes | 30 minutes | A | | |
| 1H | 1 hour | 1 hour | A | | |
| 2H | 2 hours | 2 hours | A | | |
| 2.5H | 2 1/2 hours | 2 1/2 hours | A | | |
| 3H | 3 hours | 3 hours | A | | |
| 4H | 4 hours | 4 hours | A | | |
| 5H | 5 hours | 5 hours | A | | |
| 6H | 6 hours | 6 hours | A | | |
| 7H | 7 hours | 7 hours | A | | |
| 8H | 8 hours | 8 hours | A | | |
| 12H | 12 hours | 12 hours | A | | |
| 24H | 24 hours | 24 hours | A | | |
| 2D | 2 days | 2 days | A | | |
| 3D | 3 days | 3 days | A | | |
| 4D | 4 days | 4 days | A | | |
| 5D | 5 days | 5 days | A | | |
| 6D | 6 days | 6 days | A | | |
| 1W | 1 week | 1 week | A | | |
| 2W | 2 weeks | 2 weeks | A | | |
| 3W | 3 weeks | 3 weeks | A | | |
| 4W | 4 weeks | 4 weeks | A | | |
| 1L | 1 months (30 days) | 1 months (30 days) | A | | |
| 2L | 2 months | 2 months | A | | |
| 3L | 3 months | 3 months | A | | |
| LU | Life of the "unit" | Life of the "unit" (for blood products). | A | | In a master file update for blood products, no specific duration value can be specified (see OM1-43 “Point Versus Interval” field definition). |
| PT | point in time | To identify measures at a point in time. This is a synonym for "spot" or "random" as applied to urine measurements. | A | | |