HL7 v2.8.2 Vocabulary
0.2.0 - ci-build

HL7 v2.8.2 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v282/ and changes regularly. See the Directory of published versions

## CodeSystem: Present On Admission (POA) Indicator (2.8.2 - 1.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/nubc-PresentOnAdmission-cs | Version: 1.0.0
Active as of 2026-03-13 | Computable Name: Nubc-PresentOnAdmission-cs
Other Identifiers: OID:2.16.840.1.113883.6.301.11, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0895
Copyright/Legal: HL7 Inc., 2026

National Uniform Billing Committee (NUBC) UB-04 Data Specifications Manual, UB form locator 67, Present on Admission (POA) Indicator. Code identifying a diagnosis that was present at the time the order for inpatient admission occurs. POA indicator is assigned to all diagnoses as defined in Appendix I of the "ICD-9-CM Official Guidelines for Coding and Reporting" or "ICD-10-CM Official Guidelines for Coding and Reporting (appropriate to the ICD revision used).

The UB-04 Data Specifications Manual with the codes is available by subscription from NUBC at http://www.nubc.org/become.html. Used in HL7 Version 2.x messaging in the DG1 segment.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSpresentOnAdmission_poa_Indicator

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
version introduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
version deprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment, to suppress IG-publisher warning, to be replaced with standard later | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/nubc-PresentOnAdmission-cs` defines the following codes:

Code | Display | Definition | version introduced | modified | Deutsch (German, de)
E | Exempt | Exempt | 2.6 | 2015-07-13 |
N | No | No | 2.6 | 2015-07-13 |
U | Unknown | Unknown | 2.6 | 2015-07-13 |
W | Not applicable | Not applicable | 2.6 | 2015-07-13 |
Y | Yes | Yes | 2.6 | 2015-07-13 | Ja