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18.4.3 ADT/ACK - Admit/Visit Notification (Event A01) (3.3.1)

An A01 event is intended to be used for "Admitted" patients only. An A01 event is sent as a result of a patient undergoing the admission process which assigns the patient to a bed. It signals the beginning of a patient's stay in a healthcare facility. Normally, this information is entered in the primary Patient Administration system and broadcast to the nursing units and ancillary systems. It includes short stay and "Adam Everyman" (e.g., patient name is unknown) admissions. For example, an A01 event can be used to notify: the pharmacy system that a patient has been admitted and may be legitimately prescribed drugs; the nursing system that the patient has been admitted and needs a care plan prepared; the finance system of the start of the billing period; the dietary system that a new patient has been installed and requires dietary services; the laboratory, pathology, and radiology systems that a patient has been admitted and is entitled to receive services; the clinical repository that an admission has taken place for the EMR (electronic medical record).

When an account's start and end dates span a period greater than any particular visit, the P01 (add patient account) event should be used to transmit the opening of an account. The A01 event can notify systems of the creation of an account as well as notify them of a patient's arrival in the healthcare facility. In order to create a new account without notifying of patient's arrival, use the P01 event.

The ROL segment has been deprecated and retained for backwards compatiblity purposes only as of v 2.9. The reader is referred to the PRT segment instead.

The PRT - Participation Information Segment is used in this message to communicate providers not specified elsewhere. Person level providers with an ongoing relationship are reported in the PRT segment following the PID/PD1 segments. Providers corresponding to the PV1 data are reported in the PRT segment following the PV1/PV2 segments. Providers related to a specific procedure are reported in the PRT segment following the PR1 segment. Providers related to a specific insurance are reported in the PRT segment following the IN1/IN2/IN3 segments. To communicate the begin and end date of the provider, use the -PRT-11 - Begin Date/Time and the -PRT-12 - End Date/Time in the PRT segment, with the applicable PRT-4 - Role of Participation. Refer to Chapter 7 for the definition of the PRT segment.

Segment Cardinality Implement Status
ADT^A01^ADT_A01
MSH

Message Header

[1..1] SHALL
ARV

Access Restriction

 
UAC

User Authentication Credential Segment

[0..1]  
EVN

Event Type

[1..1] SHALL
PID

Patient Identification

[1..1] SHALL
PD1

Patient Additional Demographic

[0..1]  
OH1

Person Employment Status

 
OH2

Past or Present Job

 
OH3

Usual Work

[0..1]  
OH4

Combat Zone Work

 
ARV

Access Restriction

  B
ROL

Role

  B
PRT

Participation Information

 
NEXT_OF_KIN  
NK1

Next of Kin / Associated Parties

[1..1] SHALL
OH2

Past or Present Job

 
OH3

Usual Work

[0..1]  
PV1

Patient Visit

[1..1] SHALL
PV2

Patient Visit - Additional Information

[0..1]  
ARV

Access Restriction

  B
ROL

Role

  B
PRT

Participation Information

 
DB1

Disability

 
OBSERVATION  
OBX

Observation/Result

[1..1] SHALL
PRT

Participation Information

 
AL1

Patient Allergy Information

 
IAM

Patient Adverse Reaction Information

 
DG1

Diagnosis

 
DRG

Diagnosis Related Group

[0..1]  
PROCEDURE  
PR1

Procedures

[1..1] SHALL
ROL

Role

  B
PRT

Participation Information

 
GT1

Guarantor

 
INSURANCE  
IN1

Insurance

[1..1] SHALL
IN2

Insurance Additional Information

[0..1]  
IN3

Insurance Additional Information, Certification

 
ROL

Role

  B
PRT

Participation Information

 
AUTHORIZATION  
AUT

Authorization Information

[1..1] SHALL
PRT

Participation Information

 
REFERRAL  
RF1

Referral Information

[1..1] SHALL
PRT

Participation Information

 
ACC

Accident

[0..1]  
UB1

Uniform Billing Data 1

[0..1]  
UB2

Uniform Billing Data 2

[0..1]  
PDA

Patient Death and Autopsy

[0..1]  

 

ADT_A01

MSH-15 MSH-16 Immediate ACK Application Ack
Blank Blank - ADT^A08^ADT_A01
Blank Blank - ADT^A13^ADT_A01
Blank Blank - ADT^A04^ADT_A01
Blank Blank - ACK^A01^ACK
NE NE - -
NE NE - -
NE NE - -
NE NE - -
AL, SU, ER NE ACK^A13^ACK -
AL, SU, ER NE ACK^A01^ACK -
AL, SU, ER NE ACK^A08^ACK -
AL, SU, ER NE ACK^A04^ACK -
NE AL, SU, ER - ACK^A01^ACK
NE AL, SU, ER - ACK^A04^ACK
NE AL, SU, ER - ACK^A08^ACK
NE AL, SU, ER - ACK^A13^ACK
AL, SU, ER AL, SU, ER ACK^A13^ACK ACK^A13^ACK
AL, SU, ER AL, SU, ER ACK^A01^ACK ACK^A01^ACK
AL, SU, ER AL, SU, ER ACK^A08^ACK ACK^A08^ACK
AL, SU, ER AL, SU, ER ACK^A04^ACK ACK^A04^ACK
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